Locks – Portable – Padlocks
Patent
1976-05-18
1978-09-12
Wolfe, Robert L.
Locks
Portable
Padlocks
70 39, 70 49, 70 52, E05B 6702, E05B 6722
Patent
active
041127161
ABSTRACT:
A padlock device including a unitary, elongated, cylindrical metal body having spring loaded shackle elements extending into one end thereof and a key-locking cylinder assembly extending into the other end. Rounded recesses are formed along the sides of the cylindrical body and the shackle pin holes are arranged so that the pins respectively extend through the recesses. The locking cylinder includes a pawl mechanism which engages notches in the ends of the shackle pins for locking the pins in the closed position.
REFERENCES:
patent: 2070012 (1937-02-01), Jacobi
patent: 2419213 (1947-04-01), Hines
patent: 2983133 (1961-05-01), Hruby
patent: 3581530 (1971-06-01), Raspadori
patent: 3735612 (1973-05-01), Popouici
Research Machine & Development, Inc.
Wolfe Robert L.
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