Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1993-05-24
1994-09-06
Brown, David
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29263, B23P 1904
Patent
active
H00013498
ABSTRACT:
A new bushing removal tool for removing bushings from aircraft transparencies combines a U-shaped tool body, supporting base plates, a threaded shaft extending through the tool body, a large nut screwed on one end of the threaded shaft and a bushing puller on the other end of the threaded shaft. The bushing puller has a pivoting tip which, in one pivoted position, allows the bushing puller to fit through the bushing and, in another pivoted position, engages the bushing so that, when the large nut is rotated, the bushing puller is pulled up. The bushing is pulled up with the bushing puller. A hydraulic or pneumatic cylinder and piston can be used in place of the threaded shaft and large nut. A specially shaped shaft with a fixed tip can be used as the bushing puller for small or fragile bushings.
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Brown David
Kundert Thomas L.
Sinder Fredric L.
The United States of America as represented by the Secretary of
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