Locks – Portable – Padlocks
Patent
1988-11-30
1990-02-13
Wolfe, Robert L.
Locks
Portable
Padlocks
70312, E05B 3714
Patent
active
048995592
ABSTRACT:
The hanging lock is opened and closed by adjusting numbers. It comprises a U-shaped locking rod (10), having a stop (11), a slide plate (40), an upper cover (30), and a lower plate (20). The slide plate is located between the upper cover and the lower cover. Two dials (53, 54) are provided and a reed (55). The lower cover (20) has two semicircular grooves (21, 22) for insertion of the locking rod when the device is assembled. A spring (50) is disposed at the end of the longer arm of the locking rod (10) and a pair of posts are located on the lower cover. A slide rail (27) disposed between the posts has a concave portion for fitting a spring. The slide rail protrudes at one end of the form a flange (24) and is capable of moving backward and forward to open and close the locking device. The dials (53, 54) are placed on top of circular holes on the slide plate. Number cases (60) are installed on the top of each of the circular holes of the slide plate to get up with the number dial by means of the convex block.
REFERENCES:
patent: 1940789 (1933-12-01), Diaz
patent: 3633393 (1972-01-01), Hisatsune
patent: 4476698 (1984-10-01), Trespo
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