Knob with fingers for gripping a shaft

Details Knob with fingers for gripping a shaft Knob with fingers for gripping a shaft

2005-05-24

2005-05-24

Cottingham, John R. (Department: 3679)

Joints and connections

Interfitted members

Longitudinally splined or fluted rod

C403S282000

Reexamination Certificate

active

06896442

ABSTRACT:
A knob for installation on circular and non-circular shafts. The knob includes a hub molded of a thermoplastic material. An elongated socket is formed in the hub and has a transverse cross-section which is complimentary to that of the shaft. Flexible fingers of Y-shaped cross-section are formed in the socket integral with the walls of the socket and spaced from one another around the socket. The flexible fingers extend the length of the socket and are relieved adjacent the shaft receiving entrance to the socket. In a modification, a skirt surrounds the hub and extends outwardly of the socket and the flexible fingers extend outwardly beyond the socket. In another modification, ribs are formed between the fingers.

REFERENCES:
patent: 4657428 (1987-04-01), Wiley
patent: 5509174 (1996-04-01), Worrell
patent: 6086284 (2000-07-01), Callahan
patent: 6557433 (2003-05-01), Castellon
patent: 6561912 (2003-05-01), Link
patent: 6648195 (2003-11-01), Morris et al.

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