Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1982-03-29
1984-03-13
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Elements
464116, 16118, 16DIG30, 16121, 116304, G05G 110
Patent
active
044359934
ABSTRACT:
A control knob to shaft assembly including a rotatable, bifurcated shaft, the bifurcation spanning the diameter of the shaft and having a central cylindrical bore interconnecting two open slots, one of which has a width larger than the other. There is also provided an escutcheon plate in a plane that intersects the longitudinal axis of the shaft at an acute angle and has an opening therethrough. A knob is received in the escutcheon plate opening and has a first portion larger in diameter than the escutcheon plate opening, a second portion having two projecting spaced parallel legs with a yoke connecting and spanning the legs. The yoke has a central ball shaped portion with a diameter slightly smaller than the cylindrical bore in the shaft and is received in the cylindrical bore. The yoke also has two cross elements between the ball shaped portion and each of the legs, one cross element having a diameter slightly smaller than the diameter of the width of one of the open slots in the shaft and receivable therein and the other cross element has a diameter slightly smaller than the width of the other open slot in the shaft and is also received therein. The knob has a third portion interconnecting the first and second portions with the third portion having means to rotatably secure the knob to the escutcheon plate.
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patent: 4011513 (1977-03-01), Kawachi
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patent: 4147445 (1979-04-01), Claesson
Braun Leslie A.
General Electric Company
McKenzie, Jr. Frank H.
Reams Radford M.
Weidner Frederick P.
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