Static structures (e.g. – buildings) – Machine or implement – Masonry
Patent
1995-10-25
1997-06-24
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
Masonry
521271, 414 11, B28D 704
Patent
active
056408269
ABSTRACT:
A sheetrock lifting apparatus is provided having a rectangular support structure with a clamping end and a lifting end, a continuous clamping means located at the clamping end, and an adjustable support pole located at the lifting end. In its preferred embodiment, the continuous clamping means comprises a piano hinge running the continuous width of the clamping end and providing a series of regularly spaced attachment holes. In this configuration, the continuous hinge is fastened to the wall or ceiling beam at the desired number of locations by screws. The rectangular support structure is adjusted to it a length necessary to easily accommodate a section of sheetrock. The sheetrock is then placed against the support structure, and lifted to the ceiling by the user grasping the adjustable support pole. The pole's lower member is then telescoped down to the floor and locked into place, thereby locking into place the sheetrock in an overhead position, leaving the users hands free to continue working and completing the installation in a conventional manner.
REFERENCES:
patent: D324474 (1992-03-01), Killins
patent: 3467261 (1969-09-01), Jewell
patent: 3642150 (1972-02-01), Zizak
patent: 3643935 (1972-02-01), Bell
patent: 3852927 (1974-12-01), Birum, Jr.
patent: 3871477 (1975-03-01), Kuest
patent: 4339219 (1982-07-01), Lay
patent: 4709527 (1987-12-01), Cooley
patent: 5129774 (1992-07-01), Balseiro et al.
patent: 5249405 (1993-10-01), Miller
Friedman Carl D.
Horton-Richardson Yvonne
Volk David L.
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