Bolt identification system

Details Bolt identification system Bolt identification system

1974-03-11

1976-11-02

Frazier, Roy D.

F16B 1306

Patent

active

039889599

ABSTRACT:
A means for providing an indication of the length of the bolt member of an anchor bolt assembly of the type including a bolt member and an expandable sleeve member. The end of the bolt member opposite the sleeve expanding portion thereof is provided with a recess, the depth of which is reversely proportional of the length of the bolt member.

REFERENCES:
patent: 54113 (1866-04-01), Clark
patent: 752588 (1904-02-01), Rettig
patent: 2974558 (1961-03-01), Hodell
patent: 3550244 (1970-12-01), Villo et al.
"Slide Fastener" from Steck Manf. Co., Dayton, Ohio.

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