Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent
1981-01-26
1983-08-23
Nerbun, Peter P.
Machine element or mechanism
Mechanical movements
Rotary to intermittent unidirectional motion
F16D 2710
Patent
active
043997163
ABSTRACT:
A device for transmitting torque between a shaft (1) and an outer annular element (2), in which device the transmission ratio between the shaft and the annular element is determined by the load on the ring. The device comprises at least one eccentric device (5) arranged for rotation with the shaft, and at least one rocker arm (7) which can be activated by the eccentric device and which is provided with an engaging means (11). The engaging means are arranged to be brought into driving contact with the annular ring (2) encircling the shaft (1), by movement of the said at least one rocker arm. The eccentric device (5) is so designed that its effective length varies in dependence on the load required to activate the rocker arm (7). The device can be used to advantage in winches, for example sheet winches on sailing boats.
REFERENCES:
patent: 1873633 (1932-08-01), Pitter
patent: 3722305 (1973-03-01), Walters et al.
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