# US 5,706,693 A · Combined sheet bending brake and cutter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,706,693 A - Document ID: US5706693A - Status: Granted - Kind: A - Application number: 08/714,215 - Filed: 1996-09-16 - Granted: 1998-01-13 - Earliest claimed: 1994-09-22 - Assignees: Tapco International Corporation - Inventors: Arthur B. Chubb; Douglas J. Chubb; Norman L. Chubb - Web page: https://patentgrep.com/patent/US5706693A ## CPC - B21D 5/042: {With a rotational movement of the bending blade} - B21D 5/04: on brakes making use of clamping means on one side of the work - B23D 19/04: having rotary shearing discs arranged in co-operating pairs - B23D 31/00: Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines - Y10T 83/7763: Tool carrier reciprocable rectilinearly - B21D: WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL (working or processing of wire B21F) - B23D: PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR (making toothed gears or the like B23F; cutting metal by applying heat locally B23K; arrangements for copying or controlling B23Q) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A portable sheet bending brake comprising a base and a plurality of C-shaped members positioned on the base. Each C-shaped member comprises a lower arm fixed to the base and an upper arm spaced from and overlying the lower arm. A first member is fixed to the lower arms of the C-shaped members and has a longitudinally extending clamping surface. A second member for bending a workpiece is hinged to the first member and extends longitudinally with respect to the first member. A longitudinally extending clamping member is pivoted to the upper arm of the C-shaped members. A handle member is provided on the brake for moving the clamping member. A cutter rotatably supports opposed cutting rolls and includes first rollers engaging the clamping member and second rollers engaging the bending member. ## Claims ### Claim 1 A portable sheet bending brake comprising a base, a plurality of C-shaped members positioned on said base at longitudinally spaced points, each said C-shaped member comprising a lower arm fixed to said base and an upper arm spaced from and overlying said lower arm, a first member fixed to the lower arms of said C-shaped members and having a longitudinally extending clamping surface, a second member for bending a workpiece hinged to said first member and extending longitudinally with respect to said first member, each of said first and second members having substantially the entire length of the longitudinal edges thereof formed with longitudinally spaced intermeshing integral projections, a hinge pin extending through said openings of said second member and said slots of said first member, a longitudinally extending clamping member mounted on the upper arm of said C-shaped members, a handle member on said brake for moving said clamping member, a removable cutter, said cutter comprising a cutter body rotatably supporting opposed cutting rolls adjacent the clamping surface when the cutter is mounted on said sheet bending brake, said cutter comprising first anti-friction means engaging said clamping member when said cutter is mounted on said portable sheet bending brake, said cutter body comprising second anti-friction means engaging said bending member when said cutter is mounted on said portable sheet bending brake. ### Claim 2 (depends on 1) The portable sheet bending brake set forth in claim 1 wherein said cutter comprises a second body supporting said cutter body and said first anti-friction mean. ### Claim 3 (depends on 2) The portable sheet bending brake set forth in claim 2 including handle means on said second body. ### Claim 4 (depends on 3) The portable sheet bending brake set forth in claim 3 wherein said second body comprises an extruded hollow body. ### Claim 5 (depends on 3) The portable sheet bending brake set forth in claim 3 wherein said tubular body comprises integral spaced flanges, said anti-friction means comprising at least one roller rotatably mounted between said flanges. ### Claim 6 (depends on 5) The portable sheet bending member set forth in claim 5 wherein said tubular body includes an integral flange overlying said roller engaging said track. ### Claim 7 (depends on 6) The portable sheet bending member set forth in claim 6 wherein said tubular body includes an integral flange overlying said cutter body. ### Claim 8 (depends on 7) The portable sheet bending brake set forth in claim 7 including a U-shaped handle attached to said cutter body and tubular body. ### Claim 9 (depends on 8) The portable sheet bending brake set forth in claim 8 wherein said handle member includes a gripping portion with a smooth surface and an opposite surface having finger receiving grooves therein. ### Claim 10 For use on a portable sheet bending brake of the type having a base, a plurality of C-shaped members positioned on said base at longitudinally spaced points, each said C-shaped member comprising a lower arm fixed to said base and an upper arm spaced from and overlying said lower arm, a first member fixed to the lower arms of said C-shaped members and having a longitudinally extending clamping surface, a second member for bending a workpiece hinged to said first member and extending longitudinally with respect to said first member, each of said first and second members having substantially the entire length of the longitudinal edges thereof formed with longitudinally spaced intermeshing integral projections, a hinge pin extending through said openings of said second member and said slots of said first member, a longitudinally extending clamping member mounted on the upper arm of said C-shaped members, a handle member on said brake for moving said clamping member, a removable cutter, said cutter comprising a cutter body rotatably supporting opposed cutting rolls adjacent the clamping surface when the cutter is mounted on said sheet bending brake, said cutter comprising first anti-friction means engaging said clamping member when said cutter is mounted on said portable sheet bending brake, said cutter body comprising second anti-friction means engaging said bending member when said cutter is mounted on said portable sheet bending brake. ### Claim 11 (depends on 10) The removable cutter set forth in claim 10 wherein said cutter comprises a second body supporting said cutter body and said first anti-friction mean. ### Claim 12 (depends on 11) The removable cutter set forth in claim 11 including handle means on said second body. ### Claim 13 (depends on 12) The removable cutter set forth in claim 12 wherein said second body comprises an extruded hollow body. ### Claim 14 (depends on 13) The removable cutter set forth in claim 13 wherein said tubular body comprises integral spaced flanges, said anti-friction means comprising at least one roller rotatably mounted between said flanges. ### Claim 15 (depends on 14) The removable cutter set forth in claim 14 wherein said tubular body includes an integral flange overlying said roller engaging said track. ### Claim 16 (depends on 15) The removable cutter set forth in claim 15 wherein said tubular body includes an integral flange overlying said cutter body. ### Claim 17 (depends on 16) The removable cutter set forth in claim 16 including a U-shaped handle attached to said cutter body and tubular body. ### Claim 18 (depends on 17) The removable cutter set forth in claim 17 wherein said handle member includes a gripping portion with a smooth surface and an opposite surface having finger receiving grooves therein.