Brake line coupler lock

Details Brake line coupler lock Brake line coupler lock

1986-12-08

1987-09-15

Wolfe, Robert L.

Locks

Portable

70 58, 70237, E05B 7300

Patent

active

046930965

ABSTRACT:
Disclosed is a locking device for securing an unattached trailer. The device includes an elongate, flat and ductile bar, along which two 90.degree. transverse bends are made, forming a medial base and parallel and opposed first and second arms. A locking pin is mounted to the base and extends in the direction of the arms, and first and second retainer openings are formed near the free end of the first and second arm, respectively, and beyond the locking pin. The device is secured to a brake line coupler by insertion of the locking pin into the air passage recess of the coupler so that the arms extend beyond the coupler, then by securing either padlock shackle or a retaining bolt through the first and second openings.

REFERENCES:
patent: 438735 (1890-10-01), Miller
patent: 602982 (1898-04-01), Ennis
patent: 1413194 (1922-04-01), Sherman
patent: 2571349 (1951-10-01), Eckles
patent: 2662389 (1953-12-01), McKitrick
patent: 3593549 (1971-07-01), Lakins
patent: 4094173 (1978-06-01), Brown
patent: 4122693 (1978-10-01), Borr
patent: 4226103 (1980-10-01), Strickland
patent: 4325237 (1982-04-01), Menzie

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