Shaft retaining collar

Details Shaft retaining collar Shaft retaining collar

1993-03-11

1995-02-14

Bradley, P. Austin

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

B25G 100

Patent

active

053883071

ABSTRACT:
The present invention comprises a shaft retaining collar and a knob adapted to receive and utilize the collar. The collar is integrally formed with a base portion having a protruding button extending outwardly in one direction and a pair of opposed spring fingers positioned opposite to the button. The collar is adapted to be assembled into a knob or other component to be mounted on a shaft and having an internal cavity sized to accept the collar. An internal, keyhole shaped aperture is formed in the central area of the collar. When so assembled within the knob, the collar may be moved from a first position in which a smaller diameter portion of the aperture straddles a groove formed in the shaft to secure the shaft against relative axial movement and a second position in which a larger diameter portion of the aperture is positioned to allow the shaft to be inserted or retracted.

REFERENCES:
patent: 2046342 (1936-07-01), Muck et al.

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