Manipulating rotary control device

Details Manipulating rotary control device Manipulating rotary control device

1980-06-11

1982-06-15

Howell, Kyle L.

Signals and indicators

Indicators

Operator movable

G09F 1104, G09F 1102

Patent

active

043344925

ABSTRACT:
A number of control knob constructions for use in selectively positioning a control shaft such as by rotation and/or axial movement thereof. In one form, the control device includes a one-piece dial-hub element and a knob portion formed of thermal insulating material and having a connecting portion connected to the dial-hub element. In a second form, the control device includes a one-piece dial-knob element and a hub connected to the dial, the dial-knob element being formed of a thermal insulating material. The structure interconnecting the elements is formed integrally with the one-piece element in each of the two forms.

REFERENCES:
patent: 783210 (1905-02-01), Lewis
patent: 1563635 (1925-12-01), Kasch
patent: 1629891 (1927-05-01), Shaw
patent: 2201540 (1940-05-01), Kauffman
patent: 4213416 (1980-07-01), Klinger

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