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US 11,828,090 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.
Claims25
An apparatus, comprising:
- a shackle including first and second tip portions that each define a non-circular outer cross section;
- a tubular cross-bar having an inner surface and an outer surface, the tubular cross-bar extending in a longitudinal direction and defining a pair of first openings extending from the outer surface to the inner surface and offset from one another in the longitudinal direction, the tubular cross-bar further defining a pair of second openings having a non-circular inner cross section and extending from the inner surface toward the outer surface and offset from one another in the longitudinal direction, wherein the first and second tip portions are inserted through the pair of first openings and received in the pair of second openings;
- and
- a lock having a locked state which retains the shackle in engagement with the tubular cross-bar and an unlocked state which permits removal of the shackle from the tubular cross-bar;
- and
- wherein the non-circular outer cross section of each of the first and second tip portions comprises an arcuate segment and at least one additional segment, and wherein the at least one additional segment comprises at least one additional curved segment.
3 more elements
An apparatus, comprising:
- a shackle including first and second tip portions that each define a non-circular outer cross section, wherein the outer cross section of each of the first and second tip portions is crescent-shaped;
- a tubular cross-bar having an inner surface and an outer surface, the tubular cross-bar extending in a longitudinal direction and defining a pair of first openings extending from the outer surface to the inner surface and offset from one another in the longitudinal direction, the tubular cross-bar further defining a pair of second openings having a non-circular inner cross section and extending from the inner surface toward the outer surface and offset from one another in the longitudinal direction, wherein the first and second tip portions are inserted through the pair of first openings and received in the pair of second openings;
- and
- a lock having a locked state which retains the shackle in engagement with the tubular cross-bar and an unlocked state which permits removal of the shackle from the tubular cross-bar.
1 more element
An apparatus, comprising:
- a shackle including a pair of legs and a tip portion;
- a tubular cross-bar extending in a longitudinal direction and having an inner surface and an outer surface, the tubular cross-bar including aligned first and second openings, wherein the first opening extends from the outer surface to the inner surface of the tubular cross-bar with a corresponding one of the pair of legs inserted through the first opening, wherein the second opening extends from the inner surface toward the outer surface of the tubular cross-bar with the tip portion received in the second opening, and wherein an outer cross section of the tip potion and an inner cross section of the second opening each have a non-circular shape;
- and
- a lock having a locked state which retains the shackle in engagement with the tubular cross-bar and an unlocked state which permits removal of the shackle from the tubular cross-bar;
- and
- wherein the outer cross section of the tip portion comprises an arcuate segment defining a portion of a circle, and an additional curved segment that is not defined by the circle.
3 more elements
An apparatus, comprising:
- a shackle including a pair of legs and a tip portion;
- a tubular cross-bar extending in a longitudinal direction and having an inner surface and an outer surface, the tubular cross-bar including aligned first and second openings, wherein the first opening extends from the outer surface to the inner surface of the tubular cross-bar with a corresponding one of the pair of legs inserted through the first opening, wherein the second opening extends from the inner surface toward the outer surface of the tubular cross-bar with the tip portion received in the second opening, and wherein an outer cross section of the tip potion and an inner cross section of the second opening each have a non-circular shape, and wherein the outer cross section of the tip portion and the inner cross section of the second opening comprises a convex portion and a concave portion;
- and
- a lock having a locked state which retains the shackle in engagement with the tubular cross-bar and an unlocked state which permits removal of the shackle from the tubular cross-bar.
1 more element
Dependencies are inferred from the claim text.