1977-10-17
1979-12-11
Myhre, Charles J.
64 1C, 64 23, F16D 302
Patent
active
041776542
ABSTRACT:
A variable length transmission shaft for drive transmissions in various types of machinery includes a pair of parallel rotating or synchronous speed torque coupling joints and a connecting shaft carried between the coupling joints. Each of the coupling joints has inner and outer joint members which are slidable with respect to each other, and torque transmitting balls arranged between the inner and outer joint members for transmitting torque between the inner and outer joint members. The connecting shaft is formed of a pair of telescopically cooperating shaft members which are arranged for relative sliding movement with respect to each other. One of the shaft members is coupled to the inner joint member of one of the coupling joints and the other shaft member is coupled to the inner joint member of the other coupling joint. The overall length of the transmission shaft can be varied by effecting sliding movement of one of the shaft members with respect to the other shaft member.
REFERENCES:
patent: 2107721 (1938-02-01), Swenson
patent: 2831545 (1958-04-01), Christiano
patent: 3618340 (1971-11-01), Giesthoff
patent: 4068499 (1978-01-01), Sharp
Lohr & Bromkamp G.m.b.H.
Myhre Charles J.
Turner R. C.
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