Lock with movable shroud
AssigneeMaster Lock Company LLC
InventorsJoe Elliot, Horst Lebrecht
Life of this patent
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Abstract
A lock having a movable shroud for protecting a lock shackle is disclosed. The lock includes a lock body, a locking mechanism attached to the lock body, a shackle and a shroud. The shackle has a first portion disposed within the lock body and a second portion movable between a locked position and an unlocked position. The shroud is attached to the lock body and is movable between a retracted position and an extended position. In the extended position, the shroud covers at least a portion of the shackle that extends beyond the lock body. The lock may include corresponding detents and openings on adjacent lock body and shroud surfaces to guide the movement of the shroud relative to the lock body. A method of use is also disclosed.
Claims30
A lock comprising:
- a) a lock body;
- b) a locking mechanism attached to said lock body;
- c) a shackle having a first portion disposed within said lock body and a second portion movable between a locked position and an unlocked position;
- and
- d) a shroud attached to said lock body and movable between a retracted position and an extended position;
- e) wherein said shroud in said extended position covers at least a portion of said shackle extending beyond said lock body.
A lock comprising:
- a) a lock body;
- b) a shackle having a first leg disposed within said lock body and a second leg movable between an open position outside of said lock body and a closed position within said lock body;
- c) a locking mechanism attached to said lock body for securing said shackle in said closed position;
- and
- d) a shroud attached to an exterior of said lock body and movable between an extended position and a retracted position, wherein said locking mechanism engages said shroud in said extended position and prohibits shroud movement to said retracted position;
- e) wherein said shroud in said extended position covers at least a portion of said shackle that extends beyond said lock body when said shackle is in said closed position.
A lock comprising:
- a) means for securing a shackle to a lock body;
- b) means for attaching a shroud to said lock body;
- and
- c) means for moving said shroud between an extended position and a retracted position;
- d) wherein said shroud in said extended position covers at least a portion of said shackle that extends beyond said lock body.
A method for protecting a lock shackle in a lock, said lock comprising:
- a lock body, a lock mechanism attached to said lock body, said shackle having a first portion disposed within said lock body and a second portion movable between a locked position and an unlocked position, and a shroud attached to said lock body and movable between a retracted position and an extended position;
- the method comprising the steps of:
- a) moving said shackle to said unlocked position;
- b) moving said shroud to said extended position relative to said lock body;
- c) moving said shackle to said locked position;
- and
- d) locking said shroud in said extended position.
Dependencies are inferred from the claim text.