Mechanical stop device
United States Patent 2417434
US Patent References:
Upper and lower limit switch mechanism for electrical hoists
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Control mechanism
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- - 1283386

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Inventors:
Mead, Edward D.
Thomas, Frank M.
Publication Date:
03/18/1947
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
192/143
Other Classes:
74/89.370
International Classes:
F16H25/20; G05G15/04; G05G15/00
US Patent References:
2348987Hoist