Knob and shaft assembly

Details Knob and shaft assembly Knob and shaft assembly

1988-03-04

1988-12-13

Aschenbrenner, Peter A.

Machine element or mechanism

Control lever and linkage systems

Elements

16121, 403307, 403299, 411189, F16D 106

Patent

active

047902086

ABSTRACT:
A knob and shaft assembly for operating, for example, a vehicle air brake control valve includes a knob member having a front face and a barrel projecting the face, and a shaft member which is threadedly engaged with the threads carried on the circumferentially extending wall defining cavity within the barrel. The assembly is provided with locking detents comprising protrusions on the shaft which are received within apertures on the barrel to releasably lock the knob member to the shaft member, thereby preventing the members from being accidentally becoming disengaged, and also assuring the proper orientation of the knob with respect to the shaft to permit indicia embossed on the knob member to be easily read by the operator.

REFERENCES:
patent: 382920 (1888-05-01), Westinghouse, Jr.
patent: 844750 (1907-02-01), Rieschick
patent: 2007555 (1935-07-01), Wiltshire, Jr.
patent: 2137668 (1938-11-01), Fisher
patent: 2517476 (1950-08-01), Frost
patent: 3543605 (1970-12-01), Sherman
patent: 4000539 (1977-01-01), Neyer
patent: 4289181 (1981-09-01), Capuano

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