Alarm clock with an improved switch button assembly

Details Alarm clock with an improved switch button assembly Alarm clock with an improved switch button assembly

1992-06-06

1993-01-05

Miska, Vit W.

Horology: time measuring systems or devices

Signalling means

Time condition responsive

368263, 200 35R, G04B 2300

Patent

active

051777169

ABSTRACT:
A switch button assembly includes a casing having a front, a rear wall and a side wall interconnecting the front and rear walls. The side wall has an opening through it. The rear wall has a protrusion extending perpendicularly into the casing adjacent to the opening of the side wall. A first plate has a central hole, an arched notch along the periphery and a plurality of claw-like member extending from the periphery of a bottom face. A second plate has a central shaft with a latch at its free end and latched into the claw-like members through the central hole of the first plate. The second plate further includes a projection that extends movably into the arched notch of the first plate. The second plate can rotate with respect to the first plate where the projection of the second plate engages with the protrusion of the rear wall.

REFERENCES:
patent: 4148182 (1979-04-01), Abe et al.
patent: 4213291 (1980-07-01), Wooding
patent: 4307460 (1981-12-01), Polonsky
patent: 4693612 (1987-09-01), Yoshizawa
patent: 4858211 (1989-08-01), Dlsousky
patent: 5077707 (1991-12-01), Kuo

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