Flexible drive

Details Flexible drive Flexible drive

1979-10-15

1983-02-22

Herrmann, Allan D.

Machine element or mechanism

Gearing

Yieldability in gear trains

74574, 464 82, F16H 5700, F16D 314

Patent

active

RE0311545

ABSTRACT:
A variable rate frictional drive coupling is provided between a drive shaft and a driven member. The drive coupling will dampen torsional vibrations from the drive shaft and will transmit driving torque from said shaft to the driven member. The coupling comprises a cam and leaf springs positioned in such a way that as the shaft deflection increases, the load increases and the moment arm point of contact between the cam and the leaf springs changes such that no natural frequency is produced. The frictional forces between the leaves of the leaf spring change inversely to the spring force required to drive the driven member.

REFERENCES:
patent: B509043 (1976-02-01), Geislinger
patent: 1962993 (1934-06-01), Leece
patent: 2724252 (1955-11-01), Schmall
patent: 3577802 (1971-05-01), Rumsey

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