Signals and indicators – Navigation devices
Patent
1986-12-15
1988-08-30
Corbin, John K.
Signals and indicators
Navigation devices
350 97, 40479, 116DIG7, G02B 512, G09F 1102
Patent
active
047671858
ABSTRACT:
A rotatable reflector for bicycles has a timer which intermittently completely halts rotation of the reflector in sequential positions in response to rotation of the reflector but independently of angular movement of a bicycle wheel. The reflector displays a changing colored reflective surface above a stationary housing of a contrasting color. The timer is liquid actuated and can be accurately calibrated by varying the viscosity of the liquid in the timer. Timed display of contrasting colored portions of the reflector attracts the attention of passing motorists by displaying a signal which appears to blink and change colors. The period during which each contrasting color is displayed is constant regardless of the velocity of the bicycle or relative wind velocity.
REFERENCES:
patent: 3578840 (1971-05-01), Richards
patent: 4003630 (1977-01-01), Kirk
patent: 4046098 (1977-09-01), Mancinelli et al.
patent: 4105286 (1978-08-01), Curran
patent: 4140363 (1979-02-01), Davis et al.
patent: 4204746 (1980-05-01), Fisher
Corbin John K.
Kachmarik Ronald M.
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