Movable sensing apparatus

Details Movable sensing apparatus Movable sensing apparatus

1986-09-29

1988-03-01

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 28, 414273, 414674, 2502221, B66F 924

Patent

active

047279621

ABSTRACT:
Movable sensing arrangements are prone to damage, unable to position a load engaging device relative to a load for stacking purposes, and unable to controllably position the sensing arrangement. A movable sensing apparatus having a housing and first and second signaling devices mounted in the housing is provided. A guide rail assembly elevationally movably mounts the housing on a carriage assembly and an actuator controllably elevationally moves the housing along the guide rail assembly. A coupling connects the actuator to the housing and releases the housing from connection with the actuator in response to a force of a preselected magnitude being applied to the housing. Thus, the problems related to damage, stacking, and positioning are reduced. The movable sensing apparatus is particularly suited for use on an automatic guided unmanned vehicle having a lift mast assembly.

REFERENCES:
patent: 2653679 (1953-09-01), Hamilton, Jr.
patent: 3672470 (1972-06-01), Ohntrup
patent: 3824020 (1974-07-01), Pease
patent: 4130183 (1978-12-01), Tjornemark
patent: 4279328 (1981-07-01), Ahlbom
patent: 4526502 (1985-07-01), Mitani
patent: 4564085 (1986-01-01), Melocik et al.

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