Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1993-07-28
1995-02-07
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 581, 74143, B25B 1700
Patent
active
053867459
ABSTRACT:
A motion converting mechanism according to the present invention is constructed such that pinions (10, 11) are engaged with a circular arcuate gear (8) for performing reciprocating circular arcuate motions about a pivot, and two sets of one-way clutch mechanisms (16-19) are provided in the transmission path from the pinions (10, 11) to an output shaft (1), thereby rotating the output shaft (1) in the same direction. With this arrangement, the output shaft (1) is rotated in the same direction during both forward and reverse movements of the circular arcuate gear (8).
Further, a rotary tool according to the present invention is adapted to utilize the above motion converting mechanism, and a grip portion (6) of a reciprocating pivotal member is reciprocatingly pivoted relative to a lever portion (5) of a main body, so that an output gear (4) can be rotated in the same direction, thereby rotating a work to be rotated in the same direction. With this arrangement, bolts, screws and the like can be fastened or loosened.
Futher, another motion converting mechanism according to the present invention uses a circular gear as input means, and the output shaft (1) is rotated in the same direction even when the circular gear (8) is rotated in any direction.
REFERENCES:
patent: 5176038 (1993-01-01), Inokuchi et al.
Meislin D. S.
Tokuden Kosumo Kabushiki Kaisha
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