US3274850A - Flexible push-pull control cable - Google Patents

Flexible push-pull control cable Download PDF

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US3274850A
US3274850A US408967A US40896764A US3274850A US 3274850 A US3274850 A US 3274850A US 408967 A US408967 A US 408967A US 40896764 A US40896764 A US 40896764A US 3274850 A US3274850 A US 3274850A
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control rod
rollers
disposed
outer sheath
roller
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Nazarene F Tascio
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
    • F16C1/20—Construction of flexible members moved to and fro in the sheathing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/26—Construction of guiding-sheathings or guiding-tubes
    • F16C1/28—Construction of guiding-sheathings or guiding-tubes with built in bearings, e.g. sheathing with rolling elements between the sheathing and the core element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18088—Rack and pinion type
    • Y10T74/18128—Clutchable gears
    • Y10T74/18136—Bevel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/20444—Flexible transmitter [e.g., Bowden cable] including rolling antifriction elements

Definitions

  • flexible push-pull remote control cable comprises a flexible, longitudinally movable control rod or wire encased in a flexible, stationary outer sheath.
  • the ends of the cable are connected to a control device (for example, a throttle lever) and to another device that is being controlled (rfor example, a throttle valve), the cable being adapted to transmit a linear to-and fro control movement from the control device to the controlled device.
  • My new push-pull control cable comprises a flexible outer sheath, a flexible control rod centrally positioned within the outer sheath and movable longitudinally with respect thereto, and a plurality of individual rolle-r retaining units disposed about the control rod within the outer sheath.
  • Each of the individual roller retaining units comprises a group of rollers disposed about the control rod in substantial rolling contact therewith, an annular roller-retaining ring disposed about said group of rollers, the rollers of each group being rotatably mounted in said retainer ring, and a roller-retaining shell disposed about said roller retaining ring in substantial con-tact therewith, the retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto.
  • the individual roller retaining units are disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully articulated support for the longitudinally movable control rod.
  • each roller retaining unit advantageously comprises three rollers disposed in the form of an equilateral triangle about the control rod, the axes ice of rotation of the rollers being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod, and both ends of each roller being conically tapered so that the apices of the conical ends of the rollers may be readily rotatably mounted on the annular retainer ring of the unit.
  • the roller retaining shell advantageously has a substantially eliptical cross section in a plane containing the longitudinal axis of the control rod and is formed with a central opening through which the control rod extends.
  • FIG. 1 is a side view, partly in section, of an advantageous embodiment of my new push-pull control cable
  • FIG. 2 is a sectional view along lines 22 of FIG. 1;
  • FIG. 3 is a sectional View along lines 3-3 of FIG. 1;
  • FIG. 4 is an enlarged, fragmentary sectional view of one of the roller retaining units of my device.
  • FIG. 5 is a view from above of the rollers and roller retaining ring of my device.
  • my push-pull control cable comprises a flexible outer sheath 11, a flexible control rod 12 centrally positioned within the sheath 11, and a plu' rality of individual roller retaining units 13 disposed about the control rod 12 within the outer sheath 1'1.
  • Each of the roller retaining units 13 contains a group of rollers on which the control rod 12 is rollably supported as hereinafter described, and the units 13 are disposed side by side adjacent but not otherwise connected to each other within the outer sheath 1 1 as clearly shown in FIG. 1 so that they provide fully articulated, rolling support for the control rod 12 throughout the length of the control cable.
  • the rliexible outer sheath 11 is of conventional construction and may be formed from a flexible resilient ma terial such as rubber or rubberized fabric, or from metal such as helically wound strip or wire, or from a combination of these materials.
  • the flexible control rod 12 is of conventional construction and may be in the form of a solid flexible rod or wire, or a plurality of wires wound to form a small cable.
  • the roller retaining units .13 are disposed about the centrally positioned control rod 12 within the outer sheath 1*1, each roller retaining unit containing a group of rollers rotatably mounted within the unit 13 so as to provide rolling support for the control rod 12 extending through the unit 13.
  • the roller retaining unit 1-3 has an approximately eliptical cross section in a plane extending along the longitudinal axis of the control cable so that when the control cable is flexed or bent in the form of a curve the eliptical outer surface of the individual roller retaining units within the sheath 11 will roll against the eliptical outer surfaces of the adjoining units 13 as clearly shown in FIG. 1.
  • each roller retaining unit 13 comprises a group of rollers 15 disposed about the longitudinally movable control rod .12.
  • the rollers 15 are rotatably mounted in a roller retaining ring 16 so that the axes of rotation of the rollers 15 lie in a plane perpendicula-r to the longitudinal axis of the control rod 12.
  • the retaining ring 16 is disposed within a roller retaining shell 17 advantageously formed from two shell members 1741 and 17b to facilitate assembly of the retaining shell about the group of rollers as shown clearly in FIG. 4.
  • each roller retaining unit 13 has a generally eliptical cross section in a plane containing the longitudinal axis of the control rod 12, and the shell is formed with central openings 19 through which the control rod '12 extends.
  • rollers 15 are disposed in groups of three about the control rod 1 2 in the form of an equilateral triangle, the control rod 12 being substantially in rolling contact with the adjacent surfaces of the three rollers 15 of each group.
  • the ends 21 of each roller 15 are conically tapered at an angle of not more than about 30 With respect to the axis of rotation of the roller so that the ends of adjacent rollers will rest against each other as shown best in FIG. 3.
  • the tapered ends 21 of adjoining rollers extend through elongated openings 22 formed in the retaining ring it, the openings 22 comprising the bearings in which the rollers are journaled.
  • Other means for rotatably mounting the rollers 15 in the retaining ring 16 may be employed as will be understood by workers skilled in the art.
  • the individual roller retaining units 13 are disposed side by side throughout the length of the control cable (as shown in FIG. 1) so as to provide rolling support for the longitudinally movable control rod 1-2.
  • the roller retaining units 13 are substantially stationary with respect to the outer sheath 11 and therefore it is not necessary to make provision for longitudinal movement of the roller 15 when the control rod 12 is moved longitudinally.
  • the eliptical longitudinal cross section of the roller retaining unit 13 permits the control cable to be flexed or curved in any direction with respect to the longitudinal axis of the cable. As a result, my new control cable provides free rolling, fully articulated support for the control rod 12 throughout the length of the cable.
  • a flexible push-pull control cable which comprises:
  • each roller retaining unit comprising a group of rollers disposed about the control rod in substantial rolling contact therewith, the axes of rotation of the rollers of each group being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod,
  • roller retaining shell disposed about said roller retainer ring in substantial contact therewith, said retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto,
  • said individual roller retaining units being disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully ar- 4t ticulated support for the longitudinally movable control rod.
  • a control cable according to claim 2 in which the group of rollers in each roller retaining unit comprises three rollers disposed in the form of an equilateral triangle about the control rod, both ends of each roller being conically tapered at an angle of not more than 30, the apices of the conical ends of said rollers being rotatably mounted on the annular roller retainer ring of the unit.
  • a flexible push-pull control cable which comprises:
  • each roller retaining unit comprising a group of rollers disposed about the control rod in substantial rolling contact therewith, the axes of rotation of the rollers of each group being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod,
  • roller retaining shell disposed about said roller retainer ring in substantial contact therewith, said retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto, said retaining shell having a substantially eliptical cross section in a plane extending along the longitudinal axis of the control rod' and being formed with a central opening through which said control rod extends,
  • said individual roller retaining units being disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully articulated support for the longitudinally movable control rod.
  • a control cable according to claim 3 in which the group of rollers in each roller retaining unit comprises three rollers disposed in the form of an equilateral triangle about the control rod, both ends of each roller being conically tapered at an angle of not more than 30, the apices of the conical ends of said rollers being rotatably mounted on the annular roller retainer ring of the unit.

Description

Sept. 27, 1966 N. F. TASCIO FLEXIBLE PUSH-PULL CONTROL CABLE Filed NOV. 4, 1964 INVENTOR. NAZARENEETASCIO United States Patent 3,274,$50 FLEXHBILE PUSH-PULL CONTRUIL CABLE Nazarene F. Tascio, Lalreview Ave., East White Plains, NSY. Filed Nov. 4, 1964, Ser. No. 408,967 4 (Claims. (Ci. 74-591) This invention relates to flexible push pull control cable.
.In general, flexible push-pull remote control cable comprises a flexible, longitudinally movable control rod or wire encased in a flexible, stationary outer sheath. The ends of the cable are connected to a control device (for example, a throttle lever) and to another device that is being controlled (rfor example, a throttle valve), the cable being adapted to transmit a linear to-and fro control movement from the control device to the controlled device.
In order to reduce the friction between the longitudinally movable control rod and the stationary outer sheath it has been proposed that the centrally positioned control rod be supported on free rolling balls or rollers disposed between the centrally positioned control rod and the outer sheath. It has also been proposed that the centrally positioned control rod be in the form of a flat metal strip that serves as a kind of movable raceway tor the balls. US. Patent 2,442,360 illustrates both of the aforementioned proposals.
When the control rod is moved longitudinally to-andfro it rolls on the supporting balls, and the balls in turn roll on the inner surface of the sheath or on a stationary raceway disposed against the inner surface of the sheath. As a result, the balls move or roll longitudinally one half the distance that the control rod itself is moved 1ongitudinally to-and-fro. The longitudinal movement of the balls requires that there be considerable slack or free play within the sheath to accommodate this movement, or the control cable has to be provided with an elaborate mechanism at the terminal ends thereof as illustrated in US. Patent 2,457,910.
I have now developed a new push-pull control cable in which the centrally disposed control rod is supported by groups of rollers, the rollers in turn being rotatably mounted in individual roller retaining units which are stationary with respect to the outer sheath. Because the rollers are mounted in stationary retaining units, my cable does not require excessive slack or free play within the sheath or elaborate terminal mechanisms, to accommodate longitudinal movement of the rollers.
My new push-pull control cable comprises a flexible outer sheath, a flexible control rod centrally positioned within the outer sheath and movable longitudinally with respect thereto, and a plurality of individual rolle-r retaining units disposed about the control rod within the outer sheath. Each of the individual roller retaining units comprises a group of rollers disposed about the control rod in substantial rolling contact therewith, an annular roller-retaining ring disposed about said group of rollers, the rollers of each group being rotatably mounted in said retainer ring, and a roller-retaining shell disposed about said roller retaining ring in substantial con-tact therewith, the retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto. The individual roller retaining units are disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully articulated support for the longitudinally movable control rod.
The group of rollers in each roller retaining unit advantageously comprises three rollers disposed in the form of an equilateral triangle about the control rod, the axes ice of rotation of the rollers being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod, and both ends of each roller being conically tapered so that the apices of the conical ends of the rollers may be readily rotatably mounted on the annular retainer ring of the unit. Moreover, the roller retaining shell advantageously has a substantially eliptical cross section in a plane containing the longitudinal axis of the control rod and is formed with a central opening through which the control rod extends.
My invention will be better understood from the following description in conjunction with the accompanying drawings of which-- FIG. 1 is a side view, partly in section, of an advantageous embodiment of my new push-pull control cable;
FIG. 2 is a sectional view along lines 22 of FIG. 1;
FIG. 3 is a sectional View along lines 3-3 of FIG. 1;
FIG. 4 is an enlarged, fragmentary sectional view of one of the roller retaining units of my device; and
FIG. 5 is a view from above of the rollers and roller retaining ring of my device.
As shown best in FIG. 1, my push-pull control cable comprises a flexible outer sheath 11, a flexible control rod 12 centrally positioned within the sheath 11, and a plu' rality of individual roller retaining units 13 disposed about the control rod 12 within the outer sheath 1'1. Each of the roller retaining units 13 contains a group of rollers on which the control rod 12 is rollably supported as hereinafter described, and the units 13 are disposed side by side adjacent but not otherwise connected to each other within the outer sheath 1 1 as clearly shown in FIG. 1 so that they provide fully articulated, rolling support for the control rod 12 throughout the length of the control cable.
The rliexible outer sheath 11 is of conventional construction and may be formed from a flexible resilient ma terial such as rubber or rubberized fabric, or from metal such as helically wound strip or wire, or from a combination of these materials. Similarly, the flexible control rod 12 is of conventional construction and may be in the form of a solid flexible rod or wire, or a plurality of wires wound to form a small cable.
The roller retaining units .13 are disposed about the centrally positioned control rod 12 within the outer sheath 1*1, each roller retaining unit containing a group of rollers rotatably mounted within the unit 13 so as to provide rolling support for the control rod 12 extending through the unit 13. The roller retaining unit 1-3 has an approximately eliptical cross section in a plane extending along the longitudinal axis of the control cable so that when the control cable is flexed or bent in the form of a curve the eliptical outer surface of the individual roller retaining units within the sheath 11 will roll against the eliptical outer surfaces of the adjoining units 13 as clearly shown in FIG. 1.
In an advantageous embodiment of my invention shown in FIGS. 2 through 5, each roller retaining unit 13 comprises a group of rollers 15 disposed about the longitudinally movable control rod .12. The rollers 15 are rotatably mounted in a roller retaining ring 16 so that the axes of rotation of the rollers 15 lie in a plane perpendicula-r to the longitudinal axis of the control rod 12. The retaining ring 16 is disposed within a roller retaining shell 17 advantageously formed from two shell members 1741 and 17b to facilitate assembly of the retaining shell about the group of rollers as shown clearly in FIG. 4. As previously noted, the roller retaining shell 17 of each roller retaining unit 13 has a generally eliptical cross section in a plane containing the longitudinal axis of the control rod 12, and the shell is formed with central openings 19 through which the control rod '12 extends.
In the preferred embodiment of my invention shown in the drawing the rollers 15 are disposed in groups of three about the control rod 1 2 in the form of an equilateral triangle, the control rod 12 being substantially in rolling contact with the adjacent surfaces of the three rollers 15 of each group. The ends 21 of each roller 15 are conically tapered at an angle of not more than about 30 With respect to the axis of rotation of the roller so that the ends of adjacent rollers will rest against each other as shown best in FIG. 3. The tapered ends 21 of adjoining rollers extend through elongated openings 22 formed in the retaining ring it, the openings 22 comprising the bearings in which the rollers are journaled. Other means for rotatably mounting the rollers 15 in the retaining ring 16 may be employed as will be understood by workers skilled in the art.
The individual roller retaining units 13 are disposed side by side throughout the length of the control cable (as shown in FIG. 1) so as to provide rolling support for the longitudinally movable control rod 1-2. The roller retaining units 13 are substantially stationary with respect to the outer sheath 11 and therefore it is not necessary to make provision for longitudinal movement of the roller 15 when the control rod 12 is moved longitudinally. The eliptical longitudinal cross section of the roller retaining unit 13 permits the control cable to be flexed or curved in any direction with respect to the longitudinal axis of the cable. As a result, my new control cable provides free rolling, fully articulated support for the control rod 12 throughout the length of the cable.
I claim:
1. A flexible push-pull control cable which comprises:
a flexible outer sheath,
a flexible control rod centrally positioned within the outer sheath and movable longitudinally with respect thereto, and
a plurality of individual roller retaining units disposed about the control rod within the outer sheath in substantially stationary contact with said sheath, each roller retaining unit comprising a group of rollers disposed about the control rod in substantial rolling contact therewith, the axes of rotation of the rollers of each group being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod,
an annular roller retainer ring disposed about said group of rollers, the rollers of said group being rotatably mounted in said retainer ring, and
a roller retaining shell disposed about said roller retainer ring in substantial contact therewith, said retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto,
said individual roller retaining units being disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully ar- 4t ticulated support for the longitudinally movable control rod.
2. A control cable according to claim 2 in which the group of rollers in each roller retaining unit comprises three rollers disposed in the form of an equilateral triangle about the control rod, both ends of each roller being conically tapered at an angle of not more than 30, the apices of the conical ends of said rollers being rotatably mounted on the annular roller retainer ring of the unit.
3. A flexible push-pull control cable which comprises:
a flexible outer sheath,
a flexible control rod centrally positioned within the outer sheath and movable longitudinally with respect thereto, and
a plurality of individual roller retaining units disposed about the control rod within the outer sheath in substantially stationary contact with said sheath, each roller retaining unit comprising a group of rollers disposed about the control rod in substantial rolling contact therewith, the axes of rotation of the rollers of each group being disposed in a plane substantially perpendicular to the longitudinal axis of the control rod,
an annular roller retainer ring disposed about said group of rollers, the rollers of said group being rotatably mounted in said retainer ring, and
a roller retaining shell disposed about said roller retainer ring in substantial contact therewith, said retaining shell being substantially in contact with the inner surface of the outer sheath and being substantially stationary with respect thereto, said retaining shell having a substantially eliptical cross section in a plane extending along the longitudinal axis of the control rod' and being formed with a central opening through which said control rod extends,
said individual roller retaining units being disposed side by side within the outer sheath throughout the length of the sheath to provide freely rolling and fully articulated support for the longitudinally movable control rod.
4. A control cable according to claim 3 in which the group of rollers in each roller retaining unit comprises three rollers disposed in the form of an equilateral triangle about the control rod, both ends of each roller being conically tapered at an angle of not more than 30, the apices of the conical ends of said rollers being rotatably mounted on the annular roller retainer ring of the unit.
References Cited by the Examiner UNITED STATES PATENTS 703,904 7/1902 Edwards. 3,217,557 11/1965 Marinot 745O1 FRED C. MATTERN, JR., Primary Examiner.
J. PUFPER, Assistant Examiner.

Claims (1)

1. A FLEXIBLE PUSH-PULL CONTROL CABLE WHICH COMPRISES: A FLEXIBLE OUTER SHEATH, A FLEXIBLE CONTROL ROD CENTRALLY POSITIONED WITHIN THE OUTER SHEATH AND MOVABLE LONGITUDINALLY WITH RESPECT THERETO, AND A PLURALITY OF INDIVIDUAL ROLLER RETAINING UNITS DISPOSED ABOUT THE CONTROL ROD WITHIN THE OUTER SHEATH IN SUBSTANTIALLY STATIONARY CONTACT WITHSAIF SHEATH, EACH ROLLER RETAINING UNIT COMPRISING A GROUP OF ROLLERS DISPOSED ABOUT THE CONTROL ROD IN SUBSTANTIAL ROLLING CONTACT THEREWITH, THE AXES OF ROTATION OF THE ROLLERS OF EACH GROUP BEING DISPOSED IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE CONTROL ROD, AN ANNULAR ROLLER RETAINER RING DISPOSED ABOUT SAID GROUP OF ROLLERS, THE ROLLERS OF SAID GROUP BEING ROTATABLY MOUNTED IN SAID RETAINER RING, AND A ROLLER RETAINING SHELL DISPOSED ABOUT SAID ROLLER RETAINER RING IN SUBSTANTIAL CONTACT THEREWITH, SAID RETAINING SHELL BEING SUBSTANTIALLY IN CONTACT WITH THE INNER SURFACE OF THE OUTER SHEATH AND BEING SUBSTANTIALLY STATIONARY WITH RESPECT THERETO, SAID INDIVIDUAL ROLLER RETAINING UNITS BEING DISPOSED SIDE BY SIDE WITHIN THE OUTER SHEATH THROUGHOUT THE LENGTH OF THE SHEATH TO PROVIDE FREELY ROLLING AND FULLY ARTICULATED SUPPORT FOR THE LONGITUDINALLY MOVABLE CONTROL ROD.
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Cited By (31)

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US4815911A (en) * 1982-07-05 1989-03-28 Komatsu, Ltd. Device for torsion-proof connection of an element in a robot arm or the like
US20040195988A1 (en) * 2001-06-13 2004-10-07 Buckingham Robert Oliver Link assembly for a snake like robot arm
US20090095112A1 (en) * 2001-06-13 2009-04-16 Robert Oliver Buckingham Link Assembly With Defined Boundaries For A Snake Like Robot Arm
US20090222133A1 (en) * 2001-06-13 2009-09-03 Robert Oliver Buckingham System and Method for Controlling a Robotic Arm
US20100030377A1 (en) * 2006-05-24 2010-02-04 John Unsworth Snaking Robotic Arm with Movable Shapers
US20100116803A1 (en) * 2007-03-27 2010-05-13 Carlo Gelmetti Flexible guide device for a welding rod
US20110114617A1 (en) * 2009-11-13 2011-05-19 Carlo Gelmetti Liner, in particular for welding wire
US20120211479A1 (en) * 2011-02-18 2012-08-23 Illinois Tool Works Inc. Self-cleaning welding wire conduit
US8389901B1 (en) 2010-05-27 2013-03-05 Awds Technologies Srl Welding wire guiding liner
US8453960B2 (en) 2008-05-27 2013-06-04 Awds Technologies Srl Wire guiding system
US8668086B2 (en) 2008-10-07 2014-03-11 Sidergas Spa Cover for welding wire container
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US8882018B2 (en) 2011-12-19 2014-11-11 Sidergas Spa Retainer for welding wire container and welding wire container with retainer
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US9950857B1 (en) 2016-10-17 2018-04-24 Sidergas Spa Welding wire container
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US10010962B1 (en) 2014-09-09 2018-07-03 Awds Technologies Srl Module and system for controlling and recording welding data, and welding wire feeder
US10294065B2 (en) 2013-06-06 2019-05-21 Sidergas Spa Retainer for a welding wire container and welding wire container
US10343231B2 (en) 2014-05-28 2019-07-09 Awds Technologies Srl Wire feeding system
US10350696B2 (en) 2015-04-06 2019-07-16 Awds Technologies Srl Wire feed system and method of controlling feed of welding wire
US10406571B2 (en) 2016-03-08 2019-09-10 Alexander G. Innes Mechanical extended reach Sluicer
US20190366536A1 (en) * 2018-05-29 2019-12-05 General Electric Company Robotic Arm Assembly Construction
US10786905B1 (en) 2018-04-16 2020-09-29 AGI Engineering, Inc. Tank excavator
US10864640B1 (en) 2017-12-26 2020-12-15 AGI Engineering, Inc. Articulating arm programmable tank cleaning nozzle
US11031149B1 (en) 2018-02-13 2021-06-08 AGI Engineering, Inc. Nuclear abrasive slurry waste pump with backstop and macerator
US11174121B2 (en) 2020-01-20 2021-11-16 Awds Technologies Srl Device for imparting a torsional force onto a wire
US11267024B2 (en) 2018-06-11 2022-03-08 AGI Engineering, Inc. Programmable tank cleaning nozzle
US11278981B2 (en) 2020-01-20 2022-03-22 Awds Technologies Srl Device for imparting a torsional force onto a wire
US11311920B2 (en) 2018-06-11 2022-04-26 AGI Engineering, Inc. Programmable railcar tank cleaning system
US11413666B1 (en) 2018-02-13 2022-08-16 AGI Engineering, Inc. Vertical travel robotic tank cleaning system
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US703904A (en) * 1902-07-01 A H Edwards Apparatus for the transmission of power in varying directions.
US3217557A (en) * 1961-12-09 1965-11-16 Martinot Maxime Device for transmission of forces in a flexible sheath

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US703904A (en) * 1902-07-01 A H Edwards Apparatus for the transmission of power in varying directions.
US3217557A (en) * 1961-12-09 1965-11-16 Martinot Maxime Device for transmission of forces in a flexible sheath

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815911A (en) * 1982-07-05 1989-03-28 Komatsu, Ltd. Device for torsion-proof connection of an element in a robot arm or the like
US8205522B2 (en) 2001-06-13 2012-06-26 Oliver Crispin Robotics Limited Link assembly with defined boundaries for a snake like robot arm
US20040195988A1 (en) * 2001-06-13 2004-10-07 Buckingham Robert Oliver Link assembly for a snake like robot arm
US20090095112A1 (en) * 2001-06-13 2009-04-16 Robert Oliver Buckingham Link Assembly With Defined Boundaries For A Snake Like Robot Arm
US7543518B2 (en) * 2001-06-13 2009-06-09 Oliver Crispin Robotics Limited Link assembly for a snake like robot arm
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