Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1992-12-21
1994-03-01
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Assembling or joining
5222313, 5222314, 4052591, 4052595, B23P 1100, E21D 2000, E21D 2100
Patent
active
052896269
ABSTRACT:
A method and apparatus for securing a foundation anchor to a foundation wall. Tension members comprising the foundation anchor are individually fixed to a plurality of stacked anchor plates positioned over an access hole in a foundation wall by use of threaded fasteners. The method comprises inserting each tension member through an anchor plate hole and separately fixing each tension member to at least one anchor plate. A plurality of tension members are permitted to be threaded with threaded fasteners in a manner calculated to reduce the bearing load exerted on the threaded fasteners. Further, by selectively staggering the threaded fasteners over a plurality of stacked anchor plates, the surface area of the anchor plates can be reduced to a minimum, thereby permitting a proportionate reduction in the size of the foundation wall access hole.
REFERENCES:
patent: 3647184 (1972-03-01), Vanderhurst et al.
patent: 3844023 (1974-10-01), Surribas et al.
patent: 4012826 (1977-03-01), Stansfield
patent: 4130926 (1978-12-01), Willem
patent: 4640068 (1987-02-01), Jungwirth et al.
patent: 4862576 (1989-09-01), Lu
Mochida Satoru
Nojiri Akemi
Hughes S. Thomas
Kajima Corporation
Rosenbaum Mark
Tilberry James H.
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