Static structures (e.g. – buildings) – With lifting or handling means for primary component or... – Position adjusting means; e.g. – leveling
Patent
1982-09-15
1984-10-23
Friedman, Carl D.
Static structures (e.g., buildings)
With lifting or handling means for primary component or...
Position adjusting means; e.g., leveling
52213, 52741, 33194, E04D 1400
Patent
active
044780168
ABSTRACT:
A device for use in positioning and securing a door jamb in a level condition. The device includes a spacer plate assembly having a planar member with a lip extension at each end which extends beneath the inner portion of the sides of the jamb during the leveling process. A pair of bolt shaped members are threadedly received in the planar member, one at each end thereof, to provide a means of raising and lowering the ends of the spacer plate assembly. A suitable level indicating unit such as a carpenter's level is also mounted on the spacer plate. The device further includes a pair of anchor base plates which are mounted in the floor, one at each end of the spacer plate, adjacent the lip extensions. The bolt members are rotated until the level indicating unit shows the spacer plate to be in a level condition, at which time each side of the door jamb is fixed to the respective anchor base plate by anchor screws or similar means. The spacer assembly is then withdrawn, leaving the door jamb mounted in a level condition on the anchor base plates.
REFERENCES:
patent: 441522 (1890-11-01), Watson
patent: 1003517 (1911-09-01), Scelza
patent: 1074367 (1913-09-01), Keefauver
patent: 2245351 (1941-06-01), Mettleman
patent: 2284012 (1942-05-01), Paca
patent: 2689412 (1954-09-01), Young
patent: 2748493 (1956-06-01), Williams
patent: 3325627 (1968-04-01), Bursiek et al.
patent: 3636672 (1972-01-01), Fink
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