Shift knob and method of making

Details Shift knob and method of making Shift knob and method of making

1994-03-21

1996-03-26

Lorence, Richard M.

Machine element or mechanism

Control lever and linkage systems

Elements

74473R, 74523, 16121, 16DIG30, 264513, 264572, 264129, F16H 5904, G05G 106

Patent

active

055011209

ABSTRACT:
A shift knob for use with automatic automotive transmissions has a one-piece body construction molded from a hard resin. The knob body is formed by gas injection molding, has a substantially uniform wall thickness and is covered with a soft resin. The knob body has a relatively thick bulbous grip portion at one end and gradually tapers to a slimmer lower end portion.

REFERENCES:
patent: 2285963 (1942-06-01), Gits et al.
patent: 3484808 (1969-12-01), Conterno
patent: 3680405 (1972-08-01), Naumann et al.
patent: 3795156 (1974-03-01), Neuscheler
patent: 4774850 (1988-10-01), Shovlin
patent: 4791826 (1988-12-01), Behrens
patent: 4807490 (1989-02-01), Foggini
patent: 4822962 (1989-04-01), MacCourt
patent: 4896556 (1990-01-01), Takada
patent: 5247849 (1993-09-01), Sato
patent: 5289735 (1994-03-01), Kato et al.

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