Coupler for grease guns

Details Coupler for grease guns Coupler for grease guns

1977-12-27

1980-04-01

Cline, William R.

Valves and valve actuation

With correlated flow path

Pipe coupling or union

2511495, 184105C, 285307, 285322, F16L 3728

Patent

active

041958128

ABSTRACT:
A grease gun coupler for attachment to a Zerk fitting, the coupler having a rotatable socket to constrict the jaws onto the Zerk fitting; there being a non-yielding multi-part mechanical connection between the rear edges of the clamping jaws and the front end of the tubular base of the coupler, including a rigid sleeve bearing rearwardly against the tubular base of the coupler and having rigid legs projecting through the base wall of a cup-shaped seal and bearing against the annular disc which engages the jaws.

REFERENCES:
patent: 1796827 (1931-03-01), Butler
patent: 1799279 (1931-04-01), Butler
patent: 2311097 (1943-02-01), Sundholm
patent: 2362880 (1944-11-01), Campbell
patent: 2397342 (1946-03-01), Farrell
patent: 2400817 (1946-05-01), Fox et al.
patent: 2764769 (1956-10-01), Neuman
patent: 3180533 (1965-04-01), Sundholm
patent: 4063708 (1977-12-01), Smith

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