Crowned splines and defination of root radius therefor

Details Crowned splines and defination of root radius therefor Crowned splines and defination of root radius therefor

1982-02-19

1987-11-03

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Torque transmitted via intermediate element

418 61B, F16D 318, F01C 102, B23F 522

Patent

active

047040963

ABSTRACT:
A drive shaft (41) is disclosed of the type having first and second sets of axially-disposed external crowned splines (39 and 43) for transmitting torque between first and second sets of internal straight splines (37 and 45). The sets of internal straight splines are relatively transversely disposed such that the drive shaft is disposed during operation at a running angle (A) relative to the axis (79) of the internal splines. Each of the external crowned splines includes a pair of tooth flanks joined at a root radius having a radius (R). The root radius (R) is related to the running angle (A) of the drive shaft by the equation

REFERENCES:
patent: 3547564 (1970-12-01), Charlson
patent: 3572983 (1971-03-01), McDermott
patent: 3973880 (1976-08-01), Swedberg
patent: 4132090 (1979-01-01), McDermott
patent: 4253807 (1981-03-01), Pahl
Machinery's Handbook (p. 1025).

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