Locks – Portable
Patent
1991-01-31
1991-12-31
Smith, Gary L.
Locks
Portable
70232, E05B 7300
Patent
active
050760777
ABSTRACT:
An apparatus (10) for preventing the attachment of a glad hand brake line coupling device (100). The apparatus (10) includes a pivoted member (32) and a stationary member (31) equipped with a brake line plug (36) to be inserted into the brake line conduit (101). The stationary member (31) and pivoted member (32) may be locked together with the use of a conventional padlock (11) to prevent the coupling of the glad hand brake line coupling device (100).
REFERENCES:
patent: 2571349 (1951-10-01), Eckles
patent: 2785564 (1957-03-01), Rossi
patent: 3605457 (1971-09-01), Foster
patent: 3884055 (1975-05-01), Vuillemot
patent: 4226103 (1980-10-01), Strickland
patent: 4325237 (1982-04-01), Menzie
patent: 4693096 (1987-09-01), Mercer
patent: 4732018 (1988-03-01), Crosby
patent: 4738126 (1988-04-01), Haberle
patent: 4747623 (1988-05-01), Necomb et al.
Dino Suzanne L.
Smith Gary L.
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