Pressure actuated clamp for truss manufacturing equipment

Details Pressure actuated clamp for truss manufacturing equipment Pressure actuated clamp for truss manufacturing equipment

1984-10-01

1987-04-28

Watson, Robert C.

Work holders

With fluid means

With movable diaphragm

269157, 269910, B30B 1500

Patent

active

046608150

ABSTRACT:
A clamping apparatus is disclosed for use in clamping wooden chord and web members together in manufacturing wooden trusses. The clamping apparatus uses an inflatable conduit (50) to force an elongated clamp to a closed position. In a second embodiment, two inflatable conduits (150 and 152) move a tubular member (136) in opposite directions for urging a truss (120) against a stationary brace (32). Tubes (150 and 152) are selectively inflated and deflated through a valve (170).

REFERENCES:
patent: 965807 (1910-07-01), Garvey
patent: 3446301 (1969-05-01), Thomas

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