Attack-resistant ring lock
AssigneeSchlage Lock Company LLC
InventorsMarco Stunnebrink, Ilias Baiazitov, Jan Gerbrand Hutten
Life of this patent
Estimating the term…
Abstract
An exemplary ring lock generally includes a case, a shackle, and a lock mechanism. The shackle is movably mounted to the case. The lock mechanism is operable to selectively retain the shackle in a closed position. The case includes a first case portion including a first flange, and a second case portion including a second flange. In certain forms, the first flange and the second flange are welded to one another. In certain forms, the first flange and/or the second flange has a depth of one centimeter or less. In certain forms, the case includes at least one ramp configured to discourage gripping of the case.
Claims20
A ring lock, comprising:
- a case having a body defining an aperture;
- a shackle at least partially positioned in the aperture and movable between an open position and a closed position;
- and
- a lock mechanism operable to selectively retain the shackle in the closed position;
- and
- wherein the case comprises a flange extending radially outward from the body and having a radial depth dimension, and wherein at least a portion of the flange slopes along the radial depth dimension to an outer edge of the flange to discourage gripping.
A ring lock, comprising:
- a case having a body defining an aperture, the case including:
- a first case portion comprising a first flange portion;
- and
- a second case portion comprising a second flange portion welded to the first flange portion to define a flange of the case;
- a shackle at least partially positioned in the aperture and movable between an open position and a closed position;
- and
- a lock mechanism operable to selectively retain the shackle in the closed position;
- and
- wherein the flange of the case has a radial depth dimension, and wherein at least a portion of the flange slopes along the radial depth dimension to an outer edge of the flange to discourage gripping.
Dependencies are inferred from the claim text.