Title:
Elevator car door control mechanism
United States Patent 2432293
US Patent References:
Safety mechanism for elevator-shaft doors
- - 1696328
Valve-operating mechanism
- - 1705803
Stabilizer for cam-operated mechanisms
- - 1778459
Elevator door operator
- - 1823962
Elevator door operating device
- - 1909064
Safety mechanism for elevator-shaft doors
- - 1696328
Valve-operating mechanism
- - 1705803
Stabilizer for cam-operated mechanisms
- - 1778459
Elevator door operator
- - 1823962
Elevator door operating device
- - 1909064
Inventors:
Giovanni, Joseph DI.
Publication Date:
12/09/1947
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Export Citation:
Assignee:
UNITED ELEVATOR SERVICE INC
Primary Class:
Other Classes:
187/314, 49/363, 187/317, 49/28
International Classes:
B66B13/12; B66B13/26; B66B13/02; B66B13/24