Visual and tactile indication of coupling status of an integrate

Details Visual and tactile indication of coupling status of an integrate Visual and tactile indication of coupling status of an integrate

1988-09-06

1990-06-26

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Rectilinear indicator with actuating means

116281, 116DIG21, 464 23, G08B 532

Patent

active

049362470

ABSTRACT:
An improved visual and tactile indicator (30) for indicating the status of a connection between a shaft (14) and a constant speed drive transmission (22) by a coupling mechanism (20) is disclosed. The invention utilizes a first movable member (32) which is movable along a longitudinal axis between first and second positions, the first position indicating that the shaft is connected to the rotary source of power and the second position indicating that the shaft is not connected to the rotary source of power and a second movable member (34) which is movable along a longitudinal axis between first and second positions, the second member being adjacent to the first member with the longitudinal axes being parallel. A locking mechanism (36) locks the first and second movable members longitudinally with respect to each other when the input shaft is coupled to the constant speed drive transmission by the coupling mechanism. The indicator of the present invention is immune to false indications caused by vibration or high inertial forces caused by landings of aircraft.

REFERENCES:
patent: 3282387 (1966-11-01), Becker et al.
patent: 3546897 (1970-12-01), Kenny
patent: 3696639 (1972-10-01), Gore et al.
patent: 4058079 (1977-11-01), Taylor et al.
patent: 4244455 (1981-01-01), Loker
patent: 4651670 (1987-03-01), Silverwater

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