Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1978-11-09
1981-04-14
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
B25J 100
Patent
active
042616077
ABSTRACT:
The subject tool is used in the installation and removal of accoustical panels from the support grid of a suspended ceiling. The tool includes a handle having a support structure adjustably secured to it. A plurality of needle-like projections are mounted to the support structure so as to protrude outward therefrom at a right angle therewith. In use, an accoustical panel is releasably secured to the support structure. Thereafter, the tool is raised and manipulated until the panel is in place within the support grid. The tool is then lowered causing the needle-like projections to slide out of contact with the accoustical panel thereby mounting the panel in place within the support grid.
REFERENCES:
patent: 179718 (1876-07-01), Miller
patent: 817741 (1906-04-01), Armstrong
patent: 895366 (1908-08-01), Gunnison
patent: 1339444 (1920-05-01), Ferguson
patent: 2602634 (1952-07-01), Read
patent: 3090984 (1963-05-01), Dunnigan
patent: 4019769 (1977-04-01), Filion
Cherry Johnny D.
Zemites Donald L.
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