Rotary dial unit

Details Rotary dial unit Rotary dial unit

1981-03-12

1984-04-17

Dorner, Kenneth

Machine element or mechanism

Shaft operators

Preselected position

74531, F16H 3518, G05G 506

Patent

active

044427247

ABSTRACT:
A dial which includes a knob mounted on a rotary shaft and a dial surrounding the rotary shaft against which the knob may be positioned and including a base which rotatably supports the rotary shaft upon which the knob is mounted and clamp means between the knob and the base which comprises a brake shoe formed on a top surface of the base and in contact with a lower surface of the knob and a brake lever which has a projection such that in one position the projection engages the brake shoe to urge the brake shoe against the lower surface of the knob to lock it at a predetermined position. The brake shoe is formed with a slit in either its inner or outer flange and the brake lever is formed of a substantially similar circular shape which is rotatable within a groove and with the projection provided at one of the free ends of the brake lever.

REFERENCES:
patent: 3031035 (1962-04-01), Tomita
patent: 3236119 (1966-02-01), Popper

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