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US 12,492,579 B2Granted
Padlock with biometric opening means
AssigneeThe Sun Lock Company Ltd.
InventorKarl Lai
Life of this patent
Estimating the term…
Abstract
A padlock including a lock body, a fingerprint panel configured for operation of the padlock from a locked mode to an unlocked mode by using an electronic mechanism, a shackle having a long leg and a short leg, at least one bolt configured to engage with or disengage with the shackle, a cam to control the movement of the at least one bolt, a sloped-cam to control the movement of the cam, and a motor operatively coupled to the fingerprint panel and having teeth to control movement of the sloped-cam.
Claims13
A padlock, comprising:
- a lock body;
- a shackle having a long leg and a short leg, wherein the short leg has a bolt-cutout formed therein, and wherein the long leg of the shackle is retained within the lock body;
- a bolt configured for engagement with the bolt-cutout in the short leg when the padlock is in a locked mode, and wherein the bolt is configured for disengagement from the bolt-cutout in the short leg when the padlock is in an unlocked mode;
- a fingerprint panel configured to cause operation of the padlock from the locked mode to the unlocked mode;
- a cam configured for rotational movement within the lock body, and comprising an opening-slot configured to receive the bolt when the padlock is in the unlocked mode, wherein the bolt is removed from the opening-slot when the padlock is in the locked mode;
- and
- a sloped-cam operatively coupled to the cam and configured to control rotational movement of the cam within the lock body;
- wherein the bolt comprises a shackle-locking side configured for engagement with the bolt-cutout in the short leg and a spring receiving surface;
- wherein the padlock further comprises a bolt spring positioned in the lock body and configured to engage with the spring receiving surface to urge the bolt in a direction towards the bolt-cutout in the short leg;
- wherein the cam further comprises a tail configured for operative engagement with the sloped-cam;
- wherein the sloped-cam further comprises a lock-slope and an opening-slope, wherein the lock-slope is configured for engagement with the tail of the cam when the padlock is in the locked mode, and the opening-slope is configured for engagement with the tail of the cam when the padlock is in the unlocked mode;
- and
- wherein the cam further comprises a pole extending therefrom and configured for engagement with a cam spring positioned within the lock body and configured to urge the pole in a direction so that the tail of the cam is engaged with the lock-slope of the sloped-cam when the padlock is in the locked mode.
10 more elements
Dependencies are inferred from the claim text.