Mechanism to convert angular reciprocal movements into intermitt

Details Mechanism to convert angular reciprocal movements into intermitt Mechanism to convert angular reciprocal movements into intermitt

1996-10-04

1997-12-30

Bonck, Rodney H.

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

192 45, 192 4892, 192110B, F16H 2900, F16D 41066

Patent

active

057017840

ABSTRACT:
There is provided in combination a first member and a second member movable in a reciprocal angular movement, and an articulation between the first member and the second member. The articulation comprises a shaft and a mechanism to convert the angular reciprocal movements of both members into an intermittent unidirectional rotary movement of the shaft. The mechanism of the articulation comprises a pair of ball bearings having each an outer race mounted in a fixed relationship with a respective first or second member, and also having each an inner race mounted in a fixed and coaxial relationship with the shaft. The mechanism further has a pair of flanges, being each mounted adjacent and coaxially a respective bearing, and also in a fixed relationship with a respective first or second member. Each flange has one-way clutch acting on the shaft in a first direction, whereby a movement of either the first member or the second member in the first direction causes the flange fixed to that first member or to that second member to clutch onto the shaft and to rotate the shaft in that first direction. Conversely, a movement of either first or second member in a second direction causes the flange fixed to that first member or to that second member to slide on the shaft, preventing thereby a movement of the shaft in the second direction. Thus during movement of the members, the inner races of the bearings of the articulation are rotated intermittently in the first direction.

REFERENCES:
patent: 310858 (1885-01-01), Yost
patent: 611557 (1898-09-01), Brooks
patent: 2660893 (1953-12-01), Paterson
patent: 3408878 (1968-11-01), Bertao
patent: 5074393 (1991-12-01), Itomi
patent: 5620232 (1997-04-01), Laplante

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