Metal working – Upholstered article making – Form or holder
Patent
1995-01-26
1997-02-18
Vo, Peter
Metal working
Upholstered article making
Form or holder
29 911, 29 915, 29 916, 29448, 156228, 156475, 156485, B68G 1500, B68G 700, B29C 6518
Patent
active
056031505
ABSTRACT:
An upholstering apparatus is provided including a frame, a work-supporting plate operably mounted on the frame including a nest configured to support a sheet of upholstery material, especially fabric, and a substrate. A clamp on the frame is configured to rubbingly press the substrate against the upholstering material. In a first embodiment, a plurality of edge fold assemblies are located around the nest, each including a first subassembly having an edge fold blade operably attached to the work-supporting plate, and a second subassembly operably attached to the clamp for engaging the edge fold blade. A first actuator is operably connected to the edge fold blade to extend the blade into contact with the edge of the upholstery material to press the edge of the upholstery material against the substrate, and a second actuator is operably connected to the clamp to press the edge fold blade against the upholstery material edge and the substrate for two dimensional complex movement as the edge fold blade is moved around onto the back surface of the substrate. A controller attached to the actuators controls the sequential actuation of the actuators so that the upholstering apparatus is automatically operated for optimal performance. In a second embodiment, heaters are movably connected to the clamp to heat a strip along a back edge of a polymeric structural member to create a fluidized film on the back surface so that, when edge fold blades press a sheet of material against the back edge, the fluidized film of bonds the sheet of material to the structural member as the fluidized film cools.
REFERENCES:
patent: 3318636 (1967-05-01), Callum
patent: 3325329 (1967-06-01), Bolesky
patent: 3438108 (1969-04-01), Nash
patent: 3643308 (1972-02-01), Yamamoto
patent: 4718153 (1988-01-01), Armitage et al.
patent: 4795517 (1989-01-01), Elliott et al.
patent: 4818331 (1989-04-01), Shimada
patent: 4876448 (1989-10-01), Uraci
patent: 4908084 (1990-03-01), Assink
patent: 5287610 (1994-02-01), Gomolak et al.
Exhibit A discloses an exemplary prior art device at one time manufactured by J. R. Automation the assignee of the present invention. The device includes a nest, and a plurality of fold plates, each actuatable by an air cyclinder along a single horizontal direction around a perimeter of the nest.
Assink Kenneth
Feenstra Mark J.
J. R. Automation Technologies, Inc.
Vo Peter
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