CA2491855A1 - Rail coupling and lock for split-apart basket stretchers - Google Patents
Rail coupling and lock for split-apart basket stretchers Download PDFInfo
- Publication number
- CA2491855A1 CA2491855A1 CA002491855A CA2491855A CA2491855A1 CA 2491855 A1 CA2491855 A1 CA 2491855A1 CA 002491855 A CA002491855 A CA 002491855A CA 2491855 A CA2491855 A CA 2491855A CA 2491855 A1 CA2491855 A1 CA 2491855A1
- Authority
- CA
- Canada
- Prior art keywords
- rail
- collar
- stretcher
- end cap
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims abstract 23
- 238000010168 coupling process Methods 0.000 title claims abstract 23
- 238000005859 coupling reaction Methods 0.000 title claims abstract 23
- 230000013011 mating Effects 0.000 claims 3
- 230000000994 depressogenic effect Effects 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/013—Stretchers foldable or collapsible
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/69—Redundant disconnection blocking means
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/66—Interfitted members with external bridging piece
Abstract
A split-apart basket stretcher and its, corresponding rail coupling and lock, where the stretcher has first and second portions for mounting in opposed facing relation to one another, grad the rail coupling and lock releasably locks the first and second portions together in their opposed facing relation using a threaded slidable collet on the end of at least one rail of the first portion. The collet threads onto the end of at least one corresponding rail of the second portion. A spring loaded pin prevents the collet from unthreading until the pin is manually depressed.
Claims (20)
1. A split-apart basket stretcher comprising:
first and second stretcher portions for mounting in opposed facing relation to one another, wherein said first, stretcher portion has at least a first rail and wherein said second stretcher portion has at least a second rail in coaxial substantially abutting relation to said at least a first rail when said first and second stretcher portions are mounted together, a rail coupling and lock for releasably locking together said first and second stretcher portions in said opposed facing relation, said rail coupling and lock including a collar snugly slidably mounted on, so as to extend, when in an extended position, from a distal end of said at least a first rail so as to be releasably mountable, by releasable coupling means, onto a distal end of said at least a second rail to thereby mount said distal ends into adjacent co-axial relation and to thereby mount said first and second stretcher portions together in said opposed facing relation, a stop disengageably mounted to said distal end of said at least a first rail so as to be adjacent and behind said collar when said collar has been slid into said extended position so as to extend from said distal, end of said at least a first rail, said stop including a stop member raised, when in a raised position, from the at least a first rail thereby preventing said collar from sliding back along said at least a first rail when said collar is in said extended position, a stop disengagement means cooperating with said stop member so as to provide for selective disengagement of said stop member from behind said collar to allow said collar to be dismounted from said distal end of said at least a second rail, and, slid back from said extended position wherein said stop member when in said raised position does not protrude beyond a radially outermost surface of said collar, radially outermost relative to a longitudinal axis of symmetry of said collar.
first and second stretcher portions for mounting in opposed facing relation to one another, wherein said first, stretcher portion has at least a first rail and wherein said second stretcher portion has at least a second rail in coaxial substantially abutting relation to said at least a first rail when said first and second stretcher portions are mounted together, a rail coupling and lock for releasably locking together said first and second stretcher portions in said opposed facing relation, said rail coupling and lock including a collar snugly slidably mounted on, so as to extend, when in an extended position, from a distal end of said at least a first rail so as to be releasably mountable, by releasable coupling means, onto a distal end of said at least a second rail to thereby mount said distal ends into adjacent co-axial relation and to thereby mount said first and second stretcher portions together in said opposed facing relation, a stop disengageably mounted to said distal end of said at least a first rail so as to be adjacent and behind said collar when said collar has been slid into said extended position so as to extend from said distal, end of said at least a first rail, said stop including a stop member raised, when in a raised position, from the at least a first rail thereby preventing said collar from sliding back along said at least a first rail when said collar is in said extended position, a stop disengagement means cooperating with said stop member so as to provide for selective disengagement of said stop member from behind said collar to allow said collar to be dismounted from said distal end of said at least a second rail, and, slid back from said extended position wherein said stop member when in said raised position does not protrude beyond a radially outermost surface of said collar, radially outermost relative to a longitudinal axis of symmetry of said collar.
2. The apparatus of claim 1 wherein said at least a first rail includes a first pair of parallel laterally spaced apart rails, each rail of said first pair on opposite sides of said first stretcher portion and wherein said at least a second rail includes a second pair of parallel laterally spaced apart rails, each rail of said second pair on opposite sides of said second stretcher portion, said first and second pairs aligned longitudinally when said first and second stretcher portions are mounted to one another.
3. The apparatus of claim 1 wherein said stop member is a pin and said stop disengagement means includes a resilient biasing means for biasing said pin from a retracted position into said raised position, wherein, when said pin is in said retracted position, said collar is free to slide back over said pin, and when in said raised position said pin blocks sliding of said collar rearwardly from said extended position.
4. The apparatus of claim 3 wherein said biasing means is a spring.
5. The apparatus of claim 4 wherein said spring is a helical coil spring mounted in said distal end of said at least a first rail.
6. The apparatus of claim 1 further comprising first and second end caps mounted respectively onto said distal ends of said at least a first rail and said at least a second rail, and wherein said collar is slidably mounted on said first end cap and is releasably mountable, by releasable coupling means, onto said second end cap when said collar is slid on said first end cap so as to extend from said first end cap.
7. The apparatus of claim 6 wherein said releasable coupling means is a threaded coupling between said collar and said second end cap.
8. The apparatus of claim 1 wherein said releasable coupling means is a threaded coupling between said collar and said distal end of said at least a second rail.
9. The apparatus of claim 7 wherein said second end cap has a substantially concave end and wherein said first end cap has a substantially convex end for mating with said substantially concave end when said first and second end caps are in said opposed facing relation.
10. The apparatus of claim 5 further comprising first and second end caps mounted respectively onto said distal ends of said at least a first rail and said at least a second rail, and wherein said collar is slidably mounted on said first end cap and is releasably mountable, by releasable coupling means, onto said second end cap when said collar is in said extended position.
11. The apparatus of claim 10 wherein said releasable coupling means is a threaded coupling between said collar and said second end cap.
12. The apparatus of claim 11 wherein said second end cap has a substantially concave end and wherein said first end cap has a substantially convex end for mating with said substantially concave end when said first and second end caps are in said opposed facing relation.
13. A rail coupling and lock for a split-apart basket stretcher, wherein the stretcher includes first and second stretcher portions for mounting in opposed facing relation to one another, wherein said first stretcher portion has at least a first rail and wherein said second stretcher portion has at least a second rail in coaxial substantially abutting relation to said at least a first rail when said first and second stretcher portions are mounted together, and wherein said rail coupling and lock is for releasably locking together said first and second stretcher portions in said opposed facing relation, said rail coupling and lock comprising:
a collar snugly slidably mountable on, so as to extend, when in an extended position, from a distal end of the at least a first rail so as to be releasably mountable, by releasable coupling means, onto a distal end of the at least a second rail to thereby mount the distal ends into adjacent co-axial relation and to thereby mount the first and second stretcher portions together in opposed facing relation, a stop disengageably mountable to said distal end of the at least a first rail so as to be adjacent and behind said collar when said collar has been slid into said extended position so as to extend from the distal end of the at least a first rail, said stop including a stop member raised, when in a raised position, from the at least a first rail thereby preventing said collar from sliding back along the at least a first rail when said collar is in said extended position, a stop disengagement means cooperating with said stop member so as to provide for selective disengagement of said stop member from behind said collar to allow said collar to be dismounted from the distal end of the at least a second rail and slid back from said extended position, wherein said stop member when in said raised position does not protrude beyond a radially outermost surface of said collar, radially outermost relative to a longitudinal axis of symmetry of said collar.
a collar snugly slidably mountable on, so as to extend, when in an extended position, from a distal end of the at least a first rail so as to be releasably mountable, by releasable coupling means, onto a distal end of the at least a second rail to thereby mount the distal ends into adjacent co-axial relation and to thereby mount the first and second stretcher portions together in opposed facing relation, a stop disengageably mountable to said distal end of the at least a first rail so as to be adjacent and behind said collar when said collar has been slid into said extended position so as to extend from the distal end of the at least a first rail, said stop including a stop member raised, when in a raised position, from the at least a first rail thereby preventing said collar from sliding back along the at least a first rail when said collar is in said extended position, a stop disengagement means cooperating with said stop member so as to provide for selective disengagement of said stop member from behind said collar to allow said collar to be dismounted from the distal end of the at least a second rail and slid back from said extended position, wherein said stop member when in said raised position does not protrude beyond a radially outermost surface of said collar, radially outermost relative to a longitudinal axis of symmetry of said collar.
14. The apparatus of claim 13 wherein said stop member is a pin and said stop disengagement means includes a resilient biasing means for biasing said pin from a retracted position into said raised position, wherein, when said pin is in said retracted position, said collar is free to slide back over said pin, and when in said raised position said pin blocks sliding of said collar rearwardly from said extended position.
15. The apparatus of claim 14 wherein said biasing means is a spring.
16. The apparatus of claim 15 wherein said spring is a helical coil spring mountable in the distal end of the at least a first rail.
17. The apparatus of claim 13 further comprising first and second end caps mountable respectively onto the distal ends of the at least a first rail and the at least a second rail, and wherein said collar is slidably mountable on said first end cap and is releasably mountable, by releasable coupling means, onto said second end cap when said collar is slid on said first end cap so as to extend from said first end cap.
18. The apparatus of claim 17 wherein said releasable coupling means is a threaded coupling between said collar and said second end cap.
19. The apparatus of claim 13 wherein said releasable coupling means is a threaded coupling between said collar and the distal end of the at least a second rail.
20. The apparatus of claim 18 wherein said second end cap has a substantially concave end and wherein said first end cap has a substantially convex end for mating with said substantially concave end when said first and second end caps are in said opposed facing relation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53469704P | 2004-01-08 | 2004-01-08 | |
US60/534,697 | 2004-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2491855A1 true CA2491855A1 (en) | 2005-07-08 |
CA2491855C CA2491855C (en) | 2012-12-04 |
Family
ID=34738883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2491855A Active CA2491855C (en) | 2004-01-08 | 2005-01-10 | Rail coupling and lock for split-apart basket stretchers |
Country Status (2)
Country | Link |
---|---|
US (1) | US7155764B2 (en) |
CA (1) | CA2491855C (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2491855C (en) * | 2004-01-08 | 2012-12-04 | Traverse Rescue Llc | Rail coupling and lock for split-apart basket stretchers |
US7856683B2 (en) * | 2008-01-07 | 2010-12-28 | Edward Zheng | Foldable cot with quick lock system |
US20110176859A1 (en) * | 2010-01-20 | 2011-07-21 | Shao-Hua Chu | Speedy Pivoting-and-Fixing Device for Foldable Structure |
US9629770B1 (en) * | 2011-12-19 | 2017-04-25 | Joseph T. Dyer | Portable transfer board and method |
US9044364B2 (en) | 2012-07-17 | 2015-06-02 | Eripio, Llc | Portable human transport system |
US9206851B2 (en) * | 2012-08-16 | 2015-12-08 | The Charles Machine Works, Inc. | Horizontal directional drill pipe drive connection with locking feature |
CN103032435A (en) * | 2012-12-12 | 2013-04-10 | 浙江恒成硬质合金有限公司 | Self-locking type hard alloy composite core rod |
CN103527583B (en) * | 2013-11-01 | 2015-10-28 | 中山市思锐摄影器材工业有限公司 | A kind of connection anti-loose device fast |
CN104295819A (en) * | 2014-09-17 | 2015-01-21 | 平湖市当湖街道飞天人机械图文设计服务部 | Specially-made oil way bolt of numerical control lathe and heat treatment process of specially-made oil way bolt |
US9517170B1 (en) | 2016-01-04 | 2016-12-13 | Randal G. Sawatzky | Rescue basket |
US9869332B2 (en) | 2016-01-27 | 2018-01-16 | Donald Kennair, Jr. | Tactical-gear interconnection system apparatus and method |
CN108257692B (en) * | 2016-12-29 | 2024-02-09 | 核动力运行研究所 | Quick connecting mechanism for reactor pressure vessel inspection |
CN110425387B (en) * | 2019-08-07 | 2021-06-18 | 河北超联电子科技有限公司 | Transmission device for transmitting data across power line transformer |
CN111120498B (en) * | 2019-12-24 | 2020-12-25 | 浙江黎盛新材料科技有限公司 | Spiral shaft for spiral drilling machine with adjustable length |
US20230265655A1 (en) * | 2022-02-24 | 2023-08-24 | Shahn Christian Andersen | Self-Locking Rebar Coupler |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US111550A (en) * | 1871-02-07 | Improvement in couplings for shafts for mills | ||
US391313A (en) * | 1888-10-16 | Drill-coupling | ||
US2094416A (en) * | 1936-09-04 | 1937-09-28 | William F Sheffield | Drilling shaft coupling |
US2843408A (en) | 1956-06-27 | 1958-07-15 | Harold V Utterback | Lock for turnbuckles |
US3073635A (en) | 1959-07-17 | 1963-01-15 | Edward J Schaefer | Shaft coupling |
US3574871A (en) * | 1968-10-29 | 1971-04-13 | William L Greene | Safety litter |
FR2080118A5 (en) | 1970-02-24 | 1971-11-12 | Snecma | |
US3813712A (en) * | 1972-06-28 | 1974-06-04 | N Bonnin | Patient stretcher transport system |
US4783862A (en) * | 1988-02-03 | 1988-11-15 | Murphy Wendy J | Stretcher |
US5383103A (en) * | 1993-09-21 | 1995-01-17 | Pasch; Ricky C. | Flashlight wand attachment |
LU90374B1 (en) | 1999-03-17 | 2000-09-18 | Ares Sa | Screw connection for threaded rod |
US6877927B2 (en) * | 2003-05-02 | 2005-04-12 | Weir Floway, Inc. | Shaft coupler |
CA2491855C (en) * | 2004-01-08 | 2012-12-04 | Traverse Rescue Llc | Rail coupling and lock for split-apart basket stretchers |
-
2005
- 2005-01-10 CA CA2491855A patent/CA2491855C/en active Active
- 2005-01-10 US US11/030,996 patent/US7155764B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050177943A1 (en) | 2005-08-18 |
US7155764B2 (en) | 2007-01-02 |
CA2491855C (en) | 2012-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |