Hoop lock with anti-rotation features
AssigneeSchlage Lock Company LLC
InventorsDaniel Hugh Kindstrand, Hassan Charan Kumar, Manjunatha Ramakrishna, David Bruce Miller
Life of this patent
Estimating the term…
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 each foot comprises:
- a cylindrical portion having a first substantially circular cross-section of a first area;
- a groove formed in the cylindrical portion;
- and
- a tip extending from a base;
- and
- wherein each tip has a non-circular cross-section of a second area that is less than the first area;
- a cross bar comprising:
- a housing including:
- an internal cavity;
- a pair of first openings sized and configured to receive the first and second feet;
- and
- a pair of second openings aligned with the pair of first openings, wherein the pair of second openings are configured to matingly engage the tips;
- 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.
A shackle for a hoop lock, 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 cylindrical portion having a first substantially circular cross-section of a first area;
- a groove formed in the cylindrical portion, wherein the groove is sized and configured to receive a portion of a deadbolt;
- a frustoconical tapered portion extending from the cylindrical portion to a base having a second substantially circular cross-section of a second area less than the first area;
- and
- a tip extending from the base, the tip having a non-circular cross-section of a third area less than the second area.
Dependencies are inferred from the claim text.