Mine roof expansion anchor and bail element

Details Mine roof expansion anchor and bail element Mine roof expansion anchor and bail element

1992-12-02

1994-09-06

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

4052591, 411 65, 411 67, E21D 2000

Patent

active

053442571

ABSTRACT:
A bail element (10) having a medial portion (12) with a pair of legs (14, 16) extending integrally therefrom and a mechanical expansion anchor having a pair of shell halves (68, 70) and tapered plug (80) held in assembled relation by the bail. The bail legs are identical to one another and, prior to assembly with the shell halves and plug, have three distinct, linear portions (46, 48, 50) respectively extending at preferred angles of about 10.degree., 36.degree. and 12.5.degree. with respect to lines parallel to the bail centerline (A--A). The bail medial portion includes a pair of upstanding portions shown in a first embodiment (34, 36) and a second embodiment (54, 56) for puncturing a resin cartridge which may be installed with the anchor.

REFERENCES:
patent: 2799201 (1957-07-01), Genter
patent: 3726181 (1973-04-01), Dickow et al.
patent: 3896627 (1975-07-01), Brown
patent: 3941028 (1976-03-01), Lobello et al.
patent: 4437795 (1984-03-01), White
patent: 4483645 (1984-11-01), White et al.
patent: 4516886 (1985-05-01), Wright
patent: 4556344 (1985-12-01), White
patent: 5018908 (1991-05-01), Laphon
patent: 5028188 (1991-07-01), Prince

Affiliated with

Also associated with

Rating

Mine roof expansion anchor and bail element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mine roof expansion anchor and bail element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mine roof expansion anchor and bail element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1325804