Pipe joints or couplings – With assembly means or feature
Patent
1996-09-23
1999-03-16
Nicholson, Eric K.
Pipe joints or couplings
With assembly means or feature
285354, 285179, 285386, 62292, 62 77, F25B 4500
Patent
active
058820426
ABSTRACT:
A connector body at the end of a freon line, of the type which is freely rotatable on the line, and is able to move from a first position adjacent the freon hose surrounding the line to a second position at the end of the line for threadably engaging an air conditioner or the like, the nut in its passage moving past an elbow bend in the line. The connector would comprise at least a connector body having a width substantially wider than the width of a grasping forefinger and thumb, and further comprising a counter bore along its rear end portion, so that as the connector moves from its first position through the elbow of the line, the bend in the line would travel within a portion of the counter bore and allow the nut to slide between its first and second positions without jamming in its passage along the elbow bend.
REFERENCES:
patent: 1450606 (1923-04-01), Paine
patent: 1810115 (1931-06-01), Wanl et al.
patent: 3361450 (1968-01-01), Frank
patent: 3615109 (1971-10-01), Brinda et al.
patent: 4332273 (1982-06-01), Boyde
patent: 4516278 (1985-05-01), Lamond
patent: 4535802 (1985-08-01), Robertson
patent: 5333467 (1994-08-01), Pearl, II et al.
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