Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent
1989-09-18
1991-07-09
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to intermittent unidirectional motion
280236, F16H 2904, B62M 2300
Patent
active
050294865
ABSTRACT:
The driving element and driven element of the speed variator are rotatably mounted on two parallel axes, one of which is displaceable with respect to the other. These two elements are connected to each other by a series of driving crank-arms, one end of which is pivotally coupled to one element at different points of a circle having the same axis whilst the opposite end is intended to be coupled with the other element at a point of a circle having the same axis as that other element by a unidirectional coupling. These couplings consist of shoes pivotally mounted on the corresponding ends of the driving crank-arms and being each capable of jamming in turn on a circular track provided on the corresponding element of the variator whilst the other shoes slide on the track, all the driving crank-arms being intended to revolve in the same diametral plane or in two parallel planes.
REFERENCES:
patent: 1832383 (1931-11-01), Hall
patent: 2521067 (1950-09-01), Kenison
patent: 4164153 (1979-08-01), Moritsch et al.
Herrmann Allan D.
STE Look
Ta Khoi Q.
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