Rotary shafts – gudgeons – housings – and flexible couplings for ro – Overload release coupling – Torque transmitted via resiliently biased positive drive...
Patent
1980-07-01
1983-02-15
Lazarus, Ira S.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Overload release coupling
Torque transmitted via resiliently biased positive drive...
192 56R, F16D 1900
Patent
active
043739245
ABSTRACT:
A rotary transmission assembly for mounting on a shaft includes a slip clutch for limiting the torque which may be transmitted between a chain sprocket forming part of the transmission assembly and the shaft. The sprocket is rotatably mounted on a hub which may be keyed to the shaft. Adjacent and approximately co-planar radial faces of hub and sprocket both include serrated clutching surfaces. Torque transmission between shaft and sprocket is completed by an annular connecting clutch element having a face including concentric inner and outer annular clutching surfaces having sets of serrations for mating respectively with the clutching surfaces of the hub and sprocket. A compression spring holds the serrations in engagement in normal operation. When a predetermined torque is exceeded, the clutching surfaces separate axially until relative rotation can take place between the sprocket and hub.
REFERENCES:
patent: 2291407 (1942-07-01), Paul
patent: 2375020 (1945-05-01), Mitchell
patent: 2561136 (1951-07-01), Richardson
patent: 2643530 (1953-06-01), Lathrop
patent: 3063263 (1962-11-01), Bobst et al.
patent: 3167936 (1965-02-01), Engquist
Deere & Company
Lazarus Ira S.
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