Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1993-08-23
1994-04-05
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72114, 295241, B21J 1510
Patent
active
052994422
ABSTRACT:
The apparatus comprises a frame and a carriage mounted slidably on the frame. The frame has a work support part and the carriage is equipped with a fastener, the threaded end of which extends through a hole in the work support part. A jack is situated between one member attached to the frame and another on the carriage. Extension of the jack moves the carriage on the frame to retract the fastener part way into the hole in the work support part. Tension springs, connected between a part attached to the frame and another on the carriage serve to restore the carriage to its at rest position relative to the frame when the jack is not extended. A flywheel is mounted on a shaft which engages the head of the fastener. In use a RIVNUT (TM) is threaded onto the fastener, the shank of the RIVNUT (TM) is inserted through a hole in the work (or the work part is placed onto the RIVNUT (TM)), the jack is extended to collapse the RIVNUT (TM) shank and thus install the RIVNUT (TM) and the flywheel is spun to withdraw the fastener from the RIVNUT (TM).
REFERENCES:
patent: 2384347 (1945-09-01), Schutz
patent: 2445067 (1948-07-01), Hiler
patent: 2583733 (1952-01-01), Fischer et al.
patent: 4559806 (1985-12-01), Schwab
patent: 4821555 (1989-04-01), Kamata et al.
Jenny Robert W.
Jones David
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