Locking pin assembly for locking dog housing

Details Locking pin assembly for locking dog housing Locking pin assembly for locking dog housing

2007-03-13

2007-03-13

Neuder, William (Department: 3672)

Boring or penetrating the earth

Processes

C403S378000, C403S379400

Reexamination Certificate

active

11003049

ABSTRACT:
A locking pin mechanism for a locking dog which provides for a support sleeve including steps with indentations for supporting a grasping member, and pins whose slanted face intersects the plan of the drive wrench bore in the locking dog when the drive wrench is being installed.

REFERENCES:
patent: 3148510 (1964-09-01), Sullivan
patent: 3377077 (1968-04-01), Hollander et al.
patent: 4580795 (1986-04-01), Burtelson et al.
patent: 6050740 (2000-04-01), Dziedzic

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