Padlock
AssigneePresto Lock Company, Division of Walter Kidde & Company, Inc.
InventorRichard C. Remington
Life of this patent
Estimating the term…
Abstract
A key-actuated padlock comprises a shackle, a case to receive the shackle d a flat, substantially U-shaped spring within the case. One leg of the spring serves as a bolt to restrain the movement of the shackle and the other leg serves as an ejector, urging the shackle out of engagement with the bolt leg. The bolt leg is formed to receive a key to unlock the padlock.
Claims14
A padlock comprising a shackle, a case to receive the shackle, the shackle being movable within the case between locked and unlocked positions, a first elongated, substantially flat spring member confined within an elongated slot in the case with the plane of the first spring member and the slot being substantially perpendicular to the direction of movement of the shackle, the first spring member having an end portion engageable with the shackle for preventing movement of the shackle to unlocked position and having means cooperable with a key for moving said first spring member laterally within the plane of the slot to disengage the end portion from the shackle, and a second spring member within the case for urging the shackle to unlocked position.
A padlock comprising a shackle having a notch adjacent to one end thereof, a case to receive the shackle, a first spring member within the case, the first spring member being flat and having a forked end portion engageable with the notch to restrain the movement of the shackle, a longitudinal split extending to the forked end, and an elongated hole formed to receive a key and to cooperate with the split to enable the tines of the forked end to be spread out of engagement with the notch to unlock the padlock, and a second spring member within the case for urging the shackle out of the case.
A padlock comprising a shackle having first and second notches adjacent to one end thereof, a case to receive the shackle, and a flat, substantially U-shaped spring within the case, the legs of the spring constituting first and second spring members, each having a forked end engageable with the first and second notches, respectively, the first spring member serving as a bolt for restraining the movement of the shackle and having a longitudinal split extending from its forked end to an intermediate position of the spring, and the second spring member urging the shackle out of the case.
Dependencies are inferred from the claim text.