HOPPER DOOR OPERATING MECHANISM
United States Patent 3440761
US Patent References:
Multiple closure toggle actuated hopper outlet assembly
- - 3291071
Railway car door operating mechanism
- - 3373700
Sequentially actuated mating hopper doors
- - 3385231
Multiple closure toggle actuated hopper outlet assembly
- - 3291071
Railway car door operating mechanism
- - 3373700
Sequentially actuated mating hopper doors
- - 3385231
Inventors:
Floehr, Walter L.
Publication Date:
04/29/1969
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Export Citation:
Assignee:
MIDLAND ROSS CORP
Primary Class:
Other Classes:
105/304, 49/345, 105/253
International Classes:
B61D7/26; B61D7/00; E05F11/28; E05C7/06; E05F17/00