Title:
Trackless hoist with safety stop
United States Patent 3262520
Inventors:
Bond, Frederick H.
Pilvelis, Laurence C.
Publication Date:
07/26/1966
Export Citation:
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Assignee:
Bond, Frederick H.
Pilvelis, Laurence C.
Primary Class:
187/372
Other Classes:
187/407
International Classes:
B66B5/24; B66B5/16
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US Patent References:
2550839Safety device for lifting and lowering apparatus
2419518Stop mechanism
2348090Constant tension drive
1177170N/A
1163237N/A
0820637N/A