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US 4,067,658 AGranted
Apparatus for holding knobs
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYoshinobu Ueno, Tadayoshi Shibata
Life of this patent
Estimating the term…
Abstract
Disclosed is an apparatus for holding knobs for turning a channel selector of a television receiver or for similar purposes. A flat plate having a first group of projections adapted to bear against a notched flat portion of a rotatable shaft (tuner shaft) having a semi-circular section, and a second group of projections arrayed to bear against a portion of knob into which the shaft is inserted is employed to obtain a reliable coupling of the shaft and the knob.
Claims4
Apparatus for holding a knob to a shaft having a notched flat portion comprising:
- a flat plate made of a synthetic resin material;
- and
- a knob body receiving said shaft and said flat plate, said flat plate being positioned between said knob body and said notched flat portion of said shaft, and having integrally therewith first and second groups of resilient projections which are effective to press against said flat portion of said shaft and against said knob.
Dependencies are inferred from the claim text.