Title:
Mechanism for opening and closing elevator cabs and hatchways
United States Patent 2859835
Inventors:
Borden, Joseph H.
Publication Date:
11/11/1958
Assignee:
TOLEDO SCALE CORP
International Classes:
B66B13/12; E05F15/14; B66B13/02
US Patent References:
| 2432293 | Elevator car door control mechanism | | | |