Cam crank mechanism and motor driven hydraulic tool

Details Cam crank mechanism and motor driven hydraulic tool Cam crank mechanism and motor driven hydraulic tool

1992-03-17

1993-03-23

Jones, David

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

72452, 7245316, 29751, 417415, H01R 43042

Patent

active

051953544

ABSTRACT:
A motor driven hydraulic tool including a portable battery is preferably employable for a cable laying operation. To displace a movable die toward and away from a stationary die, a piston is driven by pressurized hydraulic oil fed from a hydraulic pump section. The hydraulic pump section is operatively connected to a driving mechanism including a motor via a cam link mechanism. A plunger of the cam link mechanism includes a ring-shaped fitting portion which has an eccentric shaft fitted therein to rotate freely. The eccentric shaft is made integral with the rotational shaft of a motor for the driving mechanism.

REFERENCES:
patent: 2759665 (1956-08-01), Wilber
patent: 2926840 (1960-03-01), Soumerai
patent: 2965258 (1960-12-01), Wilson et al.
patent: 3612728 (1971-10-01), Fulmer
patent: 3906603 (1975-09-01), Romer et al.
patent: 4248050 (1981-02-01), Durenec
patent: 4492106 (1985-01-01), Amighini
patent: 4498372 (1985-02-01), Pareja
patent: 4750347 (1988-06-01), Saarinen

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