Wedge lock knob assembly

Details Wedge lock knob assembly Wedge lock knob assembly

1977-06-03

1979-01-02

Braun, Leslie

Machine element or mechanism

Control lever and linkage systems

Elements

16121, 74483PB, 74504, 200325, 200336, A61B 512

Patent

active

041321294

ABSTRACT:
A push-to-turn knob assembly comprising a tubular hub disposed for attachment to an axially inserted end portion of a rotatable shaft and having a slotted end portion releasably engaged by a plurality of resiliently biased wedges annularly spaced apart within an encircling race, the hub and race being enclosed by an axially movable knob shell having projection means for disengaging the wedges from the hub and having keying means for engaging the hub and rotating the attached shaft to a desired setting.

REFERENCES:
patent: 1238261 (1917-08-01), Cavanagh
patent: 2787353 (1957-04-01), Spraragen
patent: 2797591 (1957-07-01), Marrapese
patent: 2899841 (1959-08-01), Melloy
patent: 3031035 (1962-04-01), Tomita
patent: 3524228 (1970-08-01), Kelly
patent: 3528315 (1970-09-01), Marquis
patent: 3570325 (1971-03-01), Kroll et al.
patent: 3659321 (1972-05-01), Laurent
patent: 3662618 (1972-05-01), Kroll
patent: 3855877 (1974-12-01), Gach
patent: 3986409 (1976-10-01), Tripp
patent: 4012966 (1977-03-01), Lieberman
patent: 4023242 (1977-05-01), Roqueta
patent: 4036079 (1977-07-01), Pratt

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