Switch for four-quarters clock

Details Switch for four-quarters clock Switch for four-quarters clock

1996-07-12

1998-09-15

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6152, 200DIG29, H01H 3502

Patent

active

058082549

ABSTRACT:
A clock capable of automatically switching to any one of plural functions when the clock is turned to stand on each of four sides is controlled by a gravity operated switch that includes a pair of orthogonally positioned frames, with each frame containing a pair of opposed holding areas, a pair of opposed stop areas, a pair of conductors disposed in each holding area and a steel ball movable between the stop and holding areas for either connecting the conductors in each holding area to electrically execute a function or be disposed in a stop area where no function is executed.

REFERENCES:
patent: 3935701 (1976-02-01), Yamaguchi et al.
patent: 3955356 (1976-05-01), Lecocq
patent: 4503299 (1985-03-01), Henrard et al.
patent: 4751353 (1988-06-01), Stephens
patent: 4766275 (1988-08-01), Hemmann et al.

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