Title: Refrigerant system charging and evacuating manifold

Abstract: A device for servicing closed refrigerating systems comprising a body having a passageway therethrough provided at its respective ends with threaded members for connecting the device to an access valve of the refrigerant system and a refrigerant charging hose. The body rotatably supports a shaft having a camming surface at one end longitudinally moving a plunger toward a depressible valve core by manual rotation of the shaft for communication with the refrigerant system.

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Inventors: Mullins, John W. (Oklahoma City, OK, US)

Application Number: 620087
Filing Date: 1975-10-06
Publication_date: 1976-12-14
Assignee:
Primary Class(es): 62/292 62/77, 62/125, 141/311R, 141/348
Other Classes:
US Patent Ref:

2226851	Dec, 1940	Franck	62/125.
2464563	Mar, 1949	Doeg	62/292.
3618644	Nov, 1971	Grise	62/292.
3645496	Feb, 1972	Rawlins	62/292.

Other Refs:
Primary Examiner: Wayner, William E.
Assistant Examiner: Capossela, Ronald C.
Attorney: Rhea; Robert K.