Hydraulic puller

Details Hydraulic puller Hydraulic puller

2005-05-24

2005-05-24

Wilson, Lee D. (Department: 3723)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S261000

Reexamination Certificate

active

06895646

ABSTRACT:
A hydraulic puller includes a hydraulic cylinder, a pump, an oil tank, and a clamping device. The clamping device includes a support seat, a plurality of pivot plates, a plurality of connecting plates, a plurality of claws, and an operation plate. Thus, the operation plate can be rotated by the user's hand to rotate and lift the clamping device so as to control operation of each of the claws, thereby facilitating the user operating the hydraulic puller.

REFERENCES:
patent: 5233740 (1993-08-01), Chen
patent: 5419027 (1995-05-01), McPeak et al.
patent: 6266861 (2001-07-01), Chen
patent: 6581261 (2003-06-01), Chen

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