WO2001029358A1 - Cutting table and clamp for use therewith - Google Patents
Cutting table and clamp for use therewith Download PDFInfo
- Publication number
- WO2001029358A1 WO2001029358A1 PCT/US2000/029003 US0029003W WO0129358A1 WO 2001029358 A1 WO2001029358 A1 WO 2001029358A1 US 0029003 W US0029003 W US 0029003W WO 0129358 A1 WO0129358 A1 WO 0129358A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamp
- cutting
- mount
- backplate
- jaw
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/266—Devices or accessories for making or mounting lamellar blinds or parts thereof
Definitions
- the invention is generally directed to clamps for holding items, and more particularly to clamps for retaining items to be cut.
- Window blinds referred to as Venetian blinds or mini-blinds, are well-known window treatments.
- window blinds include a top header, slats or louvers, and a bottom header (also known as a footer). These pieces are usually held together with cords, strings, or the like.
- window blinds in various standardized sizes, with custom sizes available.
- custom-sized window blinds are costly.
- time is required to measure the window and to make the custom-sized blind, and then to deliver it to the consumer.
- it is desirable to have the cutting process take less than four minutes.
- Some of the conventional cutting machines employ air cylinders for driving the cutters.
- the air cylinders automate the cutting of the blinds, thereby requiring less manual input from the user.
- blinds are held in place in numerous ways. For example, some cutters have openings that fit the header, footer, and slats of the blind. Others use a clamp for fixing the blinds in position.
- the conventional cutters are used in stores that sell blinds to consumers. Relatively unskilled workers perform the cutting. However, the workers using these cutters must be strong enough to lift and rotate the blind after a cut is made on the first side of the blind. Blinds can weigh up to thirty pounds. This heavy weight makes rotating the blinds a difficult task for many workers.
- holeless blinds such as the one described in U.S. Patent No. 5,769, 140 to Tuzmen, which lack cords that hold each slat in place, have recently been introduced into the market. Many of these holeless blinds have slats or blades that are free to move. This further complicates the rotating process that must be performed between cutting the two ends, because slats can slip out of the blind. Thus, rotation of blinds is difficult for many workers, with the accidental disassembly of blinds sometimes occurring. Reassembling a disassembled blind is difficult, if not impossible. Moreover, a rotating clamp is useful for clamping and cutting additional items, such as louver packs (i.e. , packages of blind slats), and materials made of wood, plastic, and the like.
- louver packs i.e. , packages of blind slats
- a clamp is provided that includes an upper jaw, a lower jaw, and a backplate.
- the lower jaw and the upper jaw are pivotally connected to the backplate.
- a latch that restrains the lower and upper jaws against movement relative to one another.
- the clamp is capable of retaining an item to be cut, translating on the table, and rotating on an axis parallel to the plane of the table.
- the apparatus includes a table and a clamp for retaining the item.
- the clamp is capable of translating on the table and rotating on an axis parallel to the plane of the table between cutting a first end of the item and cutting a second end of the item.
- a clamp that retains and rotates a window blind between cutting a first end of the window blind and cutting a second end of the window blind.
- the clamp is capable of translating on the table and rotating on an axis parallel to the plane of the table.
- the clamp includes an upper jaw, a lower jaw, and a backplate that pivotally connects the lower jaw and the upper jaw.
- the clamp includes a latch that restrains the lower and upper jaws against movement relative to one another.
- the clamp is capable of retaining a window blind, translating on the table, and rotating on an axis parallel to the plane of the table.
- the invention also provides an apparatus for cutting a window blind.
- the apparatus includes a table and a clamp for retaining the window blind.
- the cutting table can also include a cutter for cutting a window blind.
- the cutter is disposed on the table.
- the apparatus has optional pull-out shelves for stabilizing the cut blinds while they are repackaged.
- FIG. 1 is a perspective view of a preferred embodiment of the rotating clamp 40 with the rotating clamp 40 having a blind 20 inserted therein in a cutting position.
- FIG. 2 is a perspective view of the rotating clamp 40 showing the details of the rotating clamp 40, mount 44, shaft 46, track 74, and tray 76.
- FIG. 3 is a perspective view of the preferred embodiment of the rotating clamp 40 with the rotating clamp 40 holding a blind 20 while the blind 20 is being rotated.
- FIG. 1 a preferred embodiment of an apparatus for cutting an item is illustrated in FIG. 1 at the reference numeral 10.
- the apparatus 10 is particularly useful in cutting window blinds 20, which typically include a header 22 that is attached to a frame of a window, a plurality of slats 24 that are typically strung together and attached to the header 22, and a footer 26 below the last slat 24.
- the apparatus 10 has an upper surface 12 on which the clamping, aligning, and cutting takes place.
- the upper surface 12 of the apparatus 10 includes a cutter 30 on one end of the apparatus 10, a rotating clamp 40 in the middle of the apparatus 10, and an alignment assembly 32, which is preferably near the end opposite the cutter 30.
- the preferred embodiment of the rotating clamp 40 includes an upper jaw 50 and a lower jaw 60.
- the upper jaw 50 has two arms 54 that are fixedly attached by fasteners 59 to a front plate 58.
- the lower jaw 60 includes two arms 64 that are fixedly attached through fasteners 69 to a front plate 68. Arms 54 of upper jaw 50 and arms
- the preferred embodiment for the rotating clamp 40 employs two latches 70, 71.
- the latches 70, 71 are located on the front plate 58 of the upper jaw 50, and the front plate 68 of the lower jaw 60.
- the rotating clamp 40 opens to receive a blind 20 to be cut.
- the latches 70, 71 are disengaged, and the upper jaw 50 is upwardly rotated away from the lower jaw 60.
- a blind 20 is placed in the rotating clamp 40.
- the rotating clamp 40 then is closed over the blind 20 by downwardly rotating upper jaw 50 toward lower jaw 60.
- the rotating clamp 40 is secured by engaging latches 70, 71 thereby retaining the blind 20 in place.
- the rotating clamp 40 allows the blind 20 clamped therein to be rotated, preferably after the first side of the blind 20 has been cut.
- the apparatus 10 optionally includes alignment pins 34 on both sides of the rotating clamp 40.
- the alignment pins 34 are rotatably attached to the upper surface 12 of the apparatus 10 by hinges or the like (not shown) so that they may fold from a position parallel to the upper surface 12 of the apparatus 10 to a position perpendicular to the upper surface 12.
- the alignment pins 34 can be inserted into channels 36 of the upper surface 12 of the apparatus 10. When in an upright position, the alignment pins 34 provide a stop and further assist in the alignment of an item to be cut. When folded into channels 36, the alignment pins 34 are level with or below the surface 12 of the apparatus 10. As such, the alignment pins 34 do not interfere with the movement along the apparatus 10 of the item to be cut.
- the apparatus 10 also includes alignment assembly 32, which includes header insert 38.
- the alignment assembly 32 is moved toward the side of the blind 20 that is away from the cutter 30.
- the header 22 of the blind 20 can be inserted into the header insert 32.
- Another benefit of the alignment assembly 32 is that when the alignment assembly 32 is pushed against the blind 20 (or vice versa) to align the edge of the blind 20, the blind 20 is cut is straight.
- the upper jaw 50 is rotated downwardly toward the lower jaw 60, and secured by latches 70, 71. Once the blind 20 is secured in the clamp 40, the alignment assembly
- the apparatus 10 also includes a mount 44 that has a shaft 46 that is fixed to the rotating clamp 40 at the backplate 56 at opening 48.
- the mount 44 slides along a track 74, which is attached to tray 76 of the apparatus 10.
- the track 74 permits the rotating clamp 40 to be translated on the upper surface 12 of the apparatus 10.
- Front plate 58 of upper jaw 50 and front plate 68 of lower jaw 60 have recesses 52, 62, respectively, that permit sliding of the clamp 40 over track 74.
- shaft 46 is fixed to the mount 44, and the mount 44 slides over the track 74.
- a plunger 72 on the mount 44 is disengaged from the shaft 46 to permit rotation of the blind 20.
- the plunger 72 is spring loaded, although it need not be.
- the plunger 72 is used in conjunction with a shaft 46 having two holes (not shown) on opposites of the shaft 46. The two holes are located such that when the plunger 72 is inserted into them, the clamp 40 stops at a position that is parallel to the apparatus 10. Thus, when the plunger 72 is disengaged from the holes, the shaft 46 rotates freely.
- the plunger 72 is inserted into one of the holes, the blind 20 is held in a fixed rotational orientation.
- the spring-loaded plunger 72 pushes the plunger 72 into the holes. This combination of the plunger 72 and the holes provides a way to lock the shaft 46 and clamp 40 in place after the clamp 40 is rotated 180° .
- a preferred cutter 30 is described in U.S. Patent 5,806,394.
- the cutter 30 is preferably at the opposite end of the apparatus 10 from the alignment assembly 32.
- Cutting can be performed by methods known to the art, such as those described in the above-mentioned patents, which are incorporated herein by reference for their description of cutting methods and devices. For example, cutting can be done with a single blade that slides and cuts the entire blind 20. Alternatively, multiple blade assemblies can be used, such as one with a separate blade for each of the top header 22, slats 24, and footer 26. Cutting can be manual, such as by a hand crank, or powered, such as by a cylinder stroke. With the blind 20 placed in the cutter 30, the first side of the blind
- FIGS. 1 and 3 show a blind 20 that is shortened such that the apparatus 10 can be seen.
- the blind 20 is then rotated by disengaging the plunger 72 of the mount 44, which permits the rotating clamp 40 containing the blind 20 to be translated toward the edge of the apparatus 10.
- the translation is achieved by sliding the mount 32 along the track 70 of the upper surface 12 of the apparatus 10 or by other modes of translation previously noted.
- the rotating clamp 40 and the blind 20 secured therein are extended beyond the edge of upper surface 12 of the apparatus 10 as illustrated in FIG. 3.
- the blind 20 is rotated about 180° such that the uncut end of the blind 20 now is on the side of the apparatus 10 that includes the cutter 30.
- the rotation of the clamp 40 is shown in FIG. 3 with arrows indicating the movement of the rotating clamp 40.
- the other side of the blind 20 is then cut. In general, equal lengths are cut from each side of the blind 20. After both sides of the blind 20 have been cut, the latches 70, 71 are disengaged, thereby releasing the blind 20.
- the apparatus 10 optionally includes recesses 78 through which optional shelves 80 can be accessed.
- the shelves 80 are pulled out from the apparatus 10 and remain fixed to the apparatus 10.
- the blind 20 is translated beyond the apparatus 10.
- the blind 20 is moved onto the shelves 80, which hold the blind 20 while the blind 20 is repackaged.
- the rotating clamp 40 can be used with any apparatus 10, including, but not limited to, those described in the patents listed above.
- the rotating clamp 40 can be used with a home workbench.
- the rotating clamp 40 can be used to clamp and cut a variety of items such as louver packs (i.e. , packages of blind slats), and materials made of wood, plastic, and the like.
- the rotating clamp 40 can be used to clamp and cut PVC pipe, gutters, and lumber.
- the rotating clamp 40 refers to an upper jaw 50 and a lower jaw 60, once rotated, the upper jaws will then be below the lower jaw 60, and vice versa. It is also understood that the rotating described above could take place in other orientations and directions.
- the shaft 46, mount 44, and clamp 40 could be in a horizontal plane (as described above) or in a vertical plane.
- the cutting, rotating, and other operations could take place in other orientations and directions.
- the cutting can take place in the horizontal plane or the vertical plane. The cutting can be accomplished by the downward movement of a cutting blade toward the blind 20 or by the horizontal translation of a cutting blade toward the blind 20.
- the upper jaw 50 and lower jaw 60 can be of unitary construction.
- the upper jaw 50 consisting of a front plate 52 and two arms 54
- the upper jaw 50 could consist of one U-shaped piece.
- the upper jaw 50 and the lower jaw 60 can be directly connected to each other, as opposed to having both the upper jaw 50 and the lower jaw 60 connected to the backplate 56.
- the latch 70 can be a single latch, multiple latches, or any similar latching device. If multiple latches 70, 71 are employed, one can be located on the upper jaw 50 and the other on the lower jaw 60. Alternatively, the latches 70, 71 can both be on the same jaw.
- the clamp 40 described herein can also cut louver packs, which are packages of blind slats 24.
- the packs may be aligned with alignment assembly 32.
- Pins 34 and channels 36 are particularly useful for aligning louver packs.
- the shaft 46 can be a telescoping shaft that telescopically elongates to permit the translation of the rotating clamp 40 on the upper surface 12 of the apparatus 10.
- the plunger 72 can be replaced with a different mechanism for locking the shaft 46 and clamp 40 in place after the clamp 40 is rotated 180° .
- a male and female connector can be used, with one located on the mount 44 (or a fastener connected to the mount 44) and the other located on the shaft 46.
- Other examples include, but are not limited to, a threaded fastener that pushes against the shaft 46 to prevent rotational movement, a latch, and a bolt.
- the invention is not intended to be limited to the preferred embodiments described above, but rather is intended to be limited only by the claims set out below. Thus, the invention encompasses all alternate embodiments that fall literally or equivalently within the scope of these claims.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU14352/01A AU1435201A (en) | 1999-10-19 | 2000-10-19 | Cutting table and clamp for use therewith |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16027399P | 1999-10-19 | 1999-10-19 | |
US60/160,273 | 1999-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001029358A1 true WO2001029358A1 (en) | 2001-04-26 |
WO2001029358A9 WO2001029358A9 (en) | 2002-08-01 |
Family
ID=22576223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/029003 WO2001029358A1 (en) | 1999-10-19 | 2000-10-19 | Cutting table and clamp for use therewith |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU1435201A (en) |
WO (1) | WO2001029358A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2398266A (en) * | 2003-02-11 | 2004-08-18 | Louver Lite Ltd | A table for the manufacture of blinds |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4681305A (en) * | 1985-08-02 | 1987-07-21 | Robert Green | Portable work device |
US5133113A (en) * | 1991-04-09 | 1992-07-28 | Photon Kinetics, Inc. | Clamp for an elongate member |
US5725205A (en) * | 1996-05-14 | 1998-03-10 | Braid Sales And Marketing, Inc. | Door assembly apparatus having lift frame and translatable and rotatable component capture units |
US5799557A (en) * | 1997-03-19 | 1998-09-01 | Wang; Cherng-Fa | Venetian blind cutting machine |
US5806394A (en) * | 1995-09-11 | 1998-09-15 | Shade-O-Matic Limited | End trimming device for blinds |
US5816126A (en) * | 1996-02-02 | 1998-10-06 | Holis Metal Industries, Ltd. Israeli Co. | Cutter for shortening blinds |
US5927172A (en) * | 1998-01-21 | 1999-07-27 | Wang; Cherng-Fa | Venetian blind cutting machine |
-
2000
- 2000-10-19 WO PCT/US2000/029003 patent/WO2001029358A1/en active Application Filing
- 2000-10-19 AU AU14352/01A patent/AU1435201A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4681305A (en) * | 1985-08-02 | 1987-07-21 | Robert Green | Portable work device |
US5133113A (en) * | 1991-04-09 | 1992-07-28 | Photon Kinetics, Inc. | Clamp for an elongate member |
US5806394A (en) * | 1995-09-11 | 1998-09-15 | Shade-O-Matic Limited | End trimming device for blinds |
US5816126A (en) * | 1996-02-02 | 1998-10-06 | Holis Metal Industries, Ltd. Israeli Co. | Cutter for shortening blinds |
US5725205A (en) * | 1996-05-14 | 1998-03-10 | Braid Sales And Marketing, Inc. | Door assembly apparatus having lift frame and translatable and rotatable component capture units |
US5799557A (en) * | 1997-03-19 | 1998-09-01 | Wang; Cherng-Fa | Venetian blind cutting machine |
US5927172A (en) * | 1998-01-21 | 1999-07-27 | Wang; Cherng-Fa | Venetian blind cutting machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2398266A (en) * | 2003-02-11 | 2004-08-18 | Louver Lite Ltd | A table for the manufacture of blinds |
GB2398266B (en) * | 2003-02-11 | 2007-04-18 | Louver Lite Ltd | Table |
Also Published As
Publication number | Publication date |
---|---|
WO2001029358A9 (en) | 2002-08-01 |
AU1435201A (en) | 2001-04-30 |
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