Door drive equipment for mass transit vehicle

Details Door drive equipment for mass transit vehicle Door drive equipment for mass transit vehicle

1993-12-07

1996-01-16

Green, Brian K.

Movable or removable closures

Closures interconnected for concurrent movement

Opposed similar movement

49218, E05C 706

Patent

active

054837693

ABSTRACT:
A power door operator for vehicles requiring uninterrupted car surfaces in a door area and minimal use of car interior space, particularly in the closed position. The equipment provided utilizes a rotary motor drive and distributed gear system for moving opposing door panels away from an opening in the car wall. Movement of the doors into and out of the car door opening is accomplished through use of controlled reaction travel of the rotary drive motor.

REFERENCES:
patent: 2937867 (1960-05-01), Schweig
patent: 4000582 (1977-01-01), Monot
patent: 4457108 (1984-07-01), Kuschel et al.
patent: 4924625 (1990-05-01), Dilcher
patent: 5140770 (1992-08-01), Morvan
patent: 5142823 (1992-09-01), Goldbach
patent: 5263280 (1993-11-01), Dilcher
patent: 5271181 (1993-12-01), Pietro

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