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US 10,240,367 B2Granted
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.
Claims22
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 the first and second legs are of equal length;
- wherein each foot comprises:
- a tip 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 tubular housing extending in a longitudinal direction and including:
- an internal cavity;
- a pair of first openings offset from one another in the longitudinal direction and sized and configured to receive the first and second feet;
- and
- a pair of second openings offset from one another in the longitudinal direction and sized and configured to receive the tip portions first and second feet, each of the second openings including a pair of parallel engagement edges that are positioned adjacent the parallel engagement surfaces of the corresponding tip portion when the tip portions of the first and second feet are positioned in the pair of second openings;
- wherein the first and second feet extend through the pair of first openings such that each tip portion is received in a corresponding one of the second openings;
- 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.
17 more elements
An apparatus, comprising:
- a shackle comprising a pair of legs having equal lengths, each leg including a foot portion defining a groove and a tip having an outer cross-section;
- a tubular cross-bar extending in a longitudinal direction, the cross-bar including a pair of first openings and a pair of second openings, each of the second 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 first openings are offset from one another in the longitudinal direction and the legs extend through the first openings, wherein the second openings are offset from one another in the longitudinal direction and the tip of each foot portion is received in a corresponding and respective one of the second openings, and wherein each of the second openings has an inner cross-section corresponding to the outer cross-section of the tip 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 tip and the inner cross-section of each second opening in the cross-bar includes a pair of straight portions and a pair of curved portions connecting the pair of straight portions.
3 more elements
Dependencies are inferred from the claim text.