Locking device for air hose coupling devices of tractor trailers

Details Locking device for air hose coupling devices of tractor trailers Locking device for air hose coupling devices of tractor trailers

1987-07-07

1988-11-29

Kundrat, Andrew V.

Joints and connections

Including ancillary means blocking disconnection of joint

Blocker for assembled joint retainer

403341, 285 82, B25G 300

Patent

active

047877707

ABSTRACT:
A tractor-trailer coupling safety device includes a housing mountable about the curved medial area of a pair of joined coupling elements and presenting opposed inwardly directed projections serving to contain and prevent the members from separating from the housing while allowing normal angular relative displacement between the joined coupling elements.

REFERENCES:
patent: 466561 (1892-01-01), Gold
patent: 3945669 (1976-03-01), Bochory
patent: 4289335 (1981-09-01), Olbermann
patent: 4352511 (1982-10-01), Ribble et al.

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