Expanding bolt

Details Expanding bolt Expanding bolt

1975-11-28

1977-03-29

Frazier, Roy D.

85 85, 85 79, F16B 1304

Patent

active

040142434

ABSTRACT:
An expanding bolt for attachment to the walls of a cavity, which bolt is threaded at its outer end for cooperation with a nut, and at its inner end is formed to a cone. The cone is surrounded by an expanding sleeve, one edge of which is continuous and oval and the other edge of which is split into a number of pointed tips, some of which are longer than the others.

REFERENCES:
patent: 2316918 (1943-04-01), Wallace
patent: 2661649 (1953-12-01), Skinner
patent: 3277770 (1966-10-01), McCulloch
patent: 3448651 (1969-06-01), Passer
patent: 3512448 (1970-05-01), Summerlin et al.
patent: 3546998 (1970-12-01), Lerich
patent: 3703119 (1972-11-01), Lerich
patent: 3709089 (1973-01-01), Seetaram
patent: 3750526 (1973-08-01), Lerich
patent: 3766819 (1973-10-01), Giannuzzi
patent: 3922947 (1975-12-01), Leonardo et al.

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