Tool driving or impacting – Drive by means reacting to rotating eccentric mass
Patent
1995-04-28
1996-09-24
Smith, Scott A.
Tool driving or impacting
Drive by means reacting to rotating eccentric mass
173216, 81 94, 74118, H02G 112
Patent
active
055581668
ABSTRACT:
A power tool including a machine base, a fixed jaw fixedly secured to the machine base, a movable jaw turned about a pivot on the fixed jaw, a spring supported between the fixed jaw and the movable jaw to force the movable jaw into the closed position on the fixed jaw, a motor mounted within the machine base, a speed reducer, an eccentric shaft coupled to the motor through the speed reducer, and a link reciprocated by the eccentric shaft to turn the movable jaw about the pivot, causing the movable jaw to act against the fixed jaw in processing the workpiece put between the movable jaw and the fixed jaw.
REFERENCES:
patent: 4726505 (1988-02-01), Okazaki
patent: 5029745 (1991-07-01), Akizawa et al.
patent: 5195671 (1993-03-01), Shimomura et al.
patent: 5346114 (1994-09-01), Udagawa et al.
patent: 5460313 (1995-10-01), Magnasson et al.
patent: 5474222 (1995-12-01), Kanai et al.
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