Hoop lock with anti-rotation features
AssigneeSchlage Lock Company LLC
InventorsDaniel H. Kindstrand, Hassan Charan Kumar, Manjunatha Ramakrishna, David B. Miller
Life of this patent
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Abstract
A hoop lock including a shackle and a crossbar, with the shackle having a pair of legs extending from a body portion, and each of the legs having a foot including a tip with a non-circular cross-section. The cross-bar includes a housing having a pair of foot-receiving openings and a pair of tip-receiving openings substantially aligned with foot-receiving openings. The tip-receiving openings are configured to matingly engage the tips such that the tips are rotationally coupled to the housing.
Claims21
-22. (canceled)
An apparatus, comprising:
- a shackle comprising:
- a body portion;
- a first leg extending from the body portion and including a first foot;
- and
- a second leg extending from the body portion and including a second foot arranged parallel to the first foot;
- wherein each foot comprises:
- a foot portion having a non-circular cross-section including a pair of parallel engagement surfaces connected by a pair of arcuate surfaces;
- and
- a groove;
- and
- a cross bar comprising:
- a housing including:
- an internal cavity;
- and
- a pair of openings sized and configured to receive the first and second feet;
- and
- a lock mechanism including a pair of deadbolts positioned in the housing, the lock mechanism having a locked state in which each deadbolt is engaged with the groove of a corresponding one of the feet and retains the corresponding foot within the housing, and an unlocked state in which the deadbolts do not prevent removal of the feet from the housing.
An apparatus, comprising:
- a shackle comprising a pair of legs having equal lengths, each leg including a foot portion having an outer cross-section and defining a groove;
- a tubular cross-bar extending in a longitudinal direction, the cross-bar including a pair of openings, each of the openings sized and shaped to receive the foot portion of a corresponding one of the legs, the cross-bar including an internal cavity in communication with the openings, wherein the openings are offset from one another in the longitudinal direction, and wherein each of the openings has an inner cross-section corresponding to the outer cross-section of the foot portion of the corresponding leg;
- and
- a lock mechanism positioned in the internal cavity of the cross-bar and including a pair of deadbolts, the lock mechanism having a locked state in which each deadbolt is engaged with the groove of a corresponding one of foot portions and retains the corresponding foot portion in engagement with the cross-bar, and an unlocked state in which the deadbolts do not prevent removal of the foot portion from the cross-bar;
- and
- wherein the outer cross-section of each foot portion and the inner cross-section of each opening in the cross-bar includes a pair of straight portions and a pair of curved portions connecting the pair of straight portions.
Dependencies are inferred from the claim text.