Spring action expansion bolt

Details Spring action expansion bolt Spring action expansion bolt

1974-01-02

1976-07-06

Parsons, Jr., Marion

85 64, F16B 1304

Patent

active

039675254

ABSTRACT:
A masonry expansion bolt employs one or more resilient wires as the expansible wedging member which is positioned in annular grooves along the external surface portion of the bolt shank, the wedging member being selectively expansible in an outward radial direction into wedging engagement with the wall of the hole in which the bolt is inserted to firmly anchor the bolt in place in a positive and reliable manner.

REFERENCES:
patent: 1172825 (1916-02-01), Oldroyd
patent: 1407570 (1922-02-01), Peirce
patent: 1666805 (1928-04-01), Williams
patent: 3277770 (1966-10-01), McCulloch
patent: 3855896 (1974-12-01), Kaufman

Affiliated with

Also associated with

Rating

Spring action expansion bolt does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spring action expansion bolt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spring action expansion bolt will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1527617