Pipe joints or couplings – With assembly means or feature – Handle or handwheel for rotary engagement
Patent
1985-11-12
1987-01-06
Husar, Cornelius J.
Pipe joints or couplings
With assembly means or feature
Handle or handwheel for rotary engagement
285 68, 285115, 285116, 16114R, F16L 3500
Patent
active
046341510
ABSTRACT:
A handle is disclosed for use in conjunction with a rotatable interlocking coupling on the end of an air line of a brake system. The coupling conventionally has a laterally facing surface including a central opening for communication with a similar coupling, a forwardly projecting tongue on a distal end thereof, a shoulder situated on a proximal end thereof including a rearwardly facing opening for communication with the air line, and a flange at least partially overlying the laterally facing surface defining a tongue-receiving slot for engaging the tongue of a similar coupling. The handle is illustrated in three different embodiments but in all embodiments the handle has an outer surface sized to be easily grasped by a human hand for facilitating the engagement and disengagement of the laterally facing surface and tongue of the coupling in such a manner as to avoid the application of coupling or uncoupling forces to the air line thereby reducing the incidence of line failure.
REFERENCES:
patent: 392355 (1888-11-01), McElroy
patent: 449789 (1891-04-01), Wright
patent: 701305 (1902-06-01), Daughtry
patent: 790685 (1905-05-01), Hendricks
patent: 1063755 (1913-06-01), Westinghouse
patent: 1118107 (1914-11-01), Clasen
patent: 1330983 (1920-02-01), Longo
patent: 3072955 (1963-01-01), Mitchell
patent: 4094535 (1978-06-01), Minton
Husar Cornelius J.
Knight Anthony
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