Title:
METHOD OF MOVING CROSSARMS
United States Patent 3540111
US Patent References:
Method of and apparatus for changing-over power-line poles
- - 1877241
Adjustable base for pole vaulting standards
- - 1928280
Transmission line support
- - 2606952
Secondary rack guides
- - 2949271
Stringing block
- - 3130958
Method of and apparatus for changing-over power-line poles
- - 1877241
Adjustable base for pole vaulting standards
- - 1928280
Transmission line support
- - 2606952
Secondary rack guides
- - 2949271
Stringing block
- - 3130958
Inventors:
Wainwright, James C.
Publication Date:
11/17/1970
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Export Citation:
Assignee:
James, Wainwright C.
Primary Class:
Other Classes:
174/45R, 29/897.330, 29/402.080, 52/40, 254/134.3PA
International Classes:
B21H7/00; E04H12/18; E04H12/24; E04H12/00
US Patent References: