Work holders – Suspended holder
Patent
1980-02-12
1981-06-09
Watson, Robert C.
Work holders
Suspended holder
269904, 294 81R, B66C 122
Patent
active
042720656
ABSTRACT:
An improved building panel erection bracket includes a panel lifting plate which is rotatable and retractable. The panel erection bracket permits a building panel to be fixed into the final position thereof before the erection bracket is detached from the panel.
REFERENCES:
patent: 3297353 (1967-01-01), Carlsen
patent: 4128267 (1978-12-01), Niblett et al.
Paton W. Donald
Steenson Thomas W.
Butler Manufacturing Company
Watson Robert C.
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