Signalling footwear

Details Signalling footwear Signalling footwear

1992-09-15

1994-08-30

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

36137, 36139, 200 6145R, 335206, 362103, 446 26, 446130, G08B 2300, A43B 2300, H01H 3502

Patent

active

053431901

ABSTRACT:
An article of footwear is provided with a normally open reed switch and provides a visual or audible signal when the reed switch is closed. A magnet is provided movable under inertial forces between an ON position where it causes the reed switch to close and an OFF position where it allows the reed switch to open. The magnet is biased to OFF position.

REFERENCES:
patent: 3859651 (1975-01-01), Thomas, Jr.
patent: 3960376 (1976-06-01), Berlin
patent: 4264899 (1981-04-01), Menzies et al.
patent: 4298910 (1981-11-01), Price
patent: 4339747 (1982-07-01), Maybee
patent: 4350853 (1982-09-01), Ganyard
patent: 4588387 (1986-05-01), Swenson
patent: 4737774 (1988-04-01), Chapman et al.
patent: 4771394 (1988-09-01), Cavanagh
patent: 4848009 (1989-07-01), Rodgers

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