Coupling for resiliently connecting two shafts for transmission

Details Coupling for resiliently connecting two shafts for transmission Coupling for resiliently connecting two shafts for transmission

1979-07-10

1981-05-26

Herrmann, Allan D.

64 23, 64 27NM, 74492, F16D 368

Patent

active

042690439

ABSTRACT:
A coupling interposed between a driving shaft and a driven shaft for transmitting torque from the driving shaft to the driven shaft. The coupling comprises a tube which is non-circular in cross section, a solid body inserted in the tube to create a clearance having a certain width between the inner periphery of the tube and the outer periphery of the solid body and a plurality of impact absorbing members made of elastic material such as rubber and fixed to certain portions of the outer periphery of the solid body. The impact absorbing members are positioned so as to prevent contact of the inner periphery of the tube and the outer periphery of the solid body when torque transmitted from the driving shaft is under a predetermined level and permit contact of the inner periphery of the tube and the outer periphery of the solid body when the torque is at or over the predetermined level. Therefore, when the torque is under the predetermined level, vibration transmitted from the driven shaft is absorbed or damped by the impact absorbing members and when the torque is at or over the predetermined level, it is directly transmitted to the driven shaft.

REFERENCES:
patent: 1891915 (1932-12-01), Clark
patent: 1921910 (1933-08-01), Clark
patent: 2729442 (1956-01-01), Neidhart
patent: 2948129 (1960-08-01), Troyer
patent: 3482464 (1969-12-01), Reich et al.
patent: 3808838 (1974-05-01), Bowen et al.
patent: 4020651 (1977-05-01), Callies
patent: 4045980 (1977-09-01), Woodward et al.

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