Overrunning clutch spring

Details Overrunning clutch spring Overrunning clutch spring

1986-09-19

1987-09-01

Kashnikow, Andres

Spring devices

Torsion

Coil

29173, 192 41S, F16F 106, F16D 1304, B23P 1300

Patent

active

046903909

ABSTRACT:
Increased thickness for the center two coils of an overrunning clutch spring is achieved by gradually increasing the lead a few degrees before and after the central crossover point (25). This affects the centrifugal balance of the spring less than an abrupt increase in thickness at the crossover point (25).

REFERENCES:
patent: 1553515 (1925-09-01), Dennison
patent: 1932000 (1933-10-01), Starkey
patent: 1934790 (1933-11-01), Brownlee
patent: 1952415 (1934-03-01), Brownlee
patent: 1983824 (1934-12-01), Starkey
patent: 2030333 (1936-02-01), Starkey
patent: 2336757 (1943-12-01), Starkey
patent: 2673730 (1954-03-01), Hupp
patent: 2948954 (1960-08-01), Ramsa
"Advanced Overrunning Clutch Technology", by Kish, SAE Technical Paper Series, Nov. 27-30, 1978.
USAAMRDL-TR-77-18 Government Report, "Helicopter Freewheel Unit Design Guide", Kish, Oct. 1977, pp. 54-81.

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