Motion converting mechanism and rotary tool

Details Motion converting mechanism and rotary tool Motion converting mechanism and rotary tool

1992-10-30

1993-11-09

Braun, Leslie A.

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

81 581, 192 4892, F16H 2702, B25B 1300

Patent

active

052592596

ABSTRACT:
A rotary tool, such as a screwdriver, in which a grip is grasped and released, so that the output shaft is rotated in the same direction during both actions comprises a motion converting mechanism wherein two sets of one-way clutch mechanisms are added to a mechanism for converting a rectilinear reciprocating motion into a rotary motion through a rack gear and pinion combination. The two sets of one-way clutch mechanisms include one that engages during the reverse movement of the rack gear, both of which rotate an output shaft in the same direction when they engage. With this arrangement, the motion converting mechanism according to the present invention rotates the output shaft in the same direction during both forward and reverse movements of the rack gear, thereby improving efficiency in converting the reciprocating motion into the rotary motion.

REFERENCES:
patent: 337973 (1886-03-01), Monger et al.
patent: 566198 (1896-08-01), Livoni
patent: 616540 (1898-12-01), King
patent: 2529476 (1950-11-01), Albertson
patent: 2697381 (1954-12-01), Maillard
patent: 3124010 (1964-03-01), Eady
patent: 3756090 (1973-09-01), Mella et al.
patent: 4078438 (1978-03-01), Starbard
patent: 4512217 (1985-04-01), Conover
patent: 4800785 (1989-01-01), Christensen

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