Coupling or connector for securing a load-bearing support to a h

Details Coupling or connector for securing a load-bearing support to a h Coupling or connector for securing a load-bearing support to a h

1989-10-12

1990-09-25

Purol, David M.

Supports

Suspended supports

248 58, 405259, 411374, 411383, 411400, F16L 300

Patent

active

049587960

ABSTRACT:
This invention is directed to a coupling or a connector for securing a load-bearing support to a head of a bolt, particularly in a mining operation in which roof bolts have been used for shoring the roof of the mine. The coupling or connector is secured to a bolt head by which machinery may be lifted and or moved. A bolt may be secured in a wall to which the coupling or connector could be secured to the head for moving machinery from one place to another.

REFERENCES:
patent: 680609 (1901-08-01), Marquardt
patent: 1098250 (1914-05-01), Gonia
patent: 1120411 (1914-12-01), Rohmer
patent: 1937654 (1933-12-01), Hamilton
patent: 2942819 (1960-06-01), Brogan
patent: 3170664 (1965-02-01), Carner
patent: 3436047 (1969-04-01), Foltz
patent: 3506227 (1970-04-01), Jenkins
patent: 3559910 (1971-02-01), Babb
patent: 4240602 (1980-12-01), McDonald
patent: 4638965 (1987-01-01), De Bruine et al.

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