Material or article handling – Apparatus for moving material to a position in the erection...
Patent
1993-02-12
1995-01-03
Werner, Frank E.
Material or article handling
Apparatus for moving material to a position in the erection...
269905, 280 4712, 280 4723, 280 797, B62B 126
Patent
active
053781031
ABSTRACT:
The present invention relates to a swing-type door transporting and elevating apparatus. In particular, the present invention relates to an apparatus employed to facilitate the transporting of a swing-type door to a door jamb in which the door is to be hung, and is then employed in elevating the door to a desired height level to the jamb to interfit and pivotally connect hinge leaf knuckles between the door and jamb.
REFERENCES:
patent: D310894 (1990-09-01), Smith
patent: 2558404 (1951-06-01), Watson
patent: 3306624 (1967-02-01), Goss
patent: 4488733 (1984-12-01), Hellsten
patent: 4492369 (1985-01-01), Pohl
patent: 4978132 (1990-12-01), Wilson et al.
patent: 5158312 (1992-10-01), Lausch
patent: 5244221 (1993-09-01), Ward
Rolnicki Gregory R.
Rolnicki Joseph M.
Krizek Janice L.
Werner Frank E.
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