Gear puller

Details Gear puller Gear puller

2007-05-15

2007-05-15

Wilson, Lee D. (Department: 3723)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S255000

Reexamination Certificate

active

11301299

ABSTRACT:
A gear puller has a screw shaft, a connecting seat, multiple paws and a fixed element. The screw shaft is attached to a shaft and has a hexagonal head and a tip. The connecting seat is connected rotatably to the screw shaft and has a body, a threaded stub and multiple arms. Each arm is formed on the body and has two hangers and a gap. The paws are pivotally mounted on the arms of the connecting seat and each has a pivotal axle and a hook. The pivotal axle is pivotally connected to the hangers on a corresponding arm, and the hook is formed on the action end to contact a circular element. The fixed element is mounted on the connecting seat and has a fixed board, a spring and a nut. The spring is mounted between the fixed board and the screw nut.

REFERENCES:
patent: 5887328 (1999-03-01), Rydin et al.
patent: 6665918 (2003-12-01), Williams
patent: 2006/0200962 (2006-09-01), Hu

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