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US 12,703,995 B2Granted
Return spring assembly for a lock
AssigneeASSA ABLOY Access and Egress Hardware Group, Inc.
InventorsGerado Pereo Arvayo, David Martinez Diaz, Andrew S. Geraci, Marisol Mael Lara Gomez
Life of this patent
Estimating the term…
Abstract
A return spring assembly for a door handle of a door lock is provided. According to some embodiments, the return spring assembly may include a spring cartridge and a hub plate. The hub plate may be removably connected to the spring cartridge and configured to rehand the lock by reorienting the hub plate on the spring cartridge. A method of rehanding such a lock is also provided.
Claims26
A return spring assembly for a door handle of a door lock, comprising:
- a cartridge base configured to rotate with the door handle;
- a spring retained by the cartridge base;
- and
- a hub plate comprising a first face and a second face opposite the first face, the hub plate configured to mount rigidly with the cartridge base in one of a first orientation or a second orientation, wherein with the hub plate mounted in the first orientation, the first face abuts the cartridge base and a force exerted by the spring increases when the door handle is rotated in a clockwise direction, and with the hub plate mounted in the second orientation, the second face abuts the cartridge base and a force exerted by the spring increases when the door handle is rotated in a counterclockwise direction.
1 more element
A lock comprising:
- a door handle configured to rotate about an axis;
- a case configured to mount on a door and to rotatably support the door handle;
- a spindle, engaged with the door handle and configured to rotate therewith;
- a spring cartridge;
- and
- a hub plate removably attached to the spring cartridge and configured to engage with the spindle and rotate therewith,
- wherein relative movement between the hub plate and the spring cartridge is prohibited, wherein the case additionally comprises a stop configured to contact the hub plate at certain rotational positions of the hub plate to limit a rotational displacement of the door handle, and wherein the hub plate may be removably attached to the spring cartridge in a first orientation or in a second orientation, when the hub plate is removably attached to the spring cartridge in the first orientation the door handle is configured to rotate about the axis in a first direction to unlatch the lock, when the hub plate is removably attached to the spring cartridge in the second orientation the door handle is configured to rotate about the axis in a second direction to unlatch the lock, the first direction being different from the second direction.
4 more elements
A lock comprising:
- a door handle configured to rotate about an axis;
- a stop configured to limit a rotation of the door handle about the axis;
- a return spring assembly configured to provide a force resisting the rotation of the door handle about the axis, wherein the return spring assembly further comprises:
- a spring;
- a cartridge base connected to rotate with the door handle and configured to support the spring;
- and
- a hub plate connected to rotate with the cartridge base and configured to abut the stop, wherein the hub plate abutting the stop defines a maximum angular displacement of the door handle,
- wherein the hub plate has a right hand orientation configured to put the lock in a right hand lock configuration when the hub plate is installed to abut the stop in the right hand orientation,
- wherein the hub plate has a left hand orientation configured to put the lock in a left hand lock configuration when the hub plate is installed to abut the stop in the left hand orientation, and
- wherein in a right hand lock configuration a user unlatches the lock by rotating the door handle about the axis in a clockwise direction and in a left hand lock configuration a user unlatches the lock by rotating the door handle about the axis in a counter-clockwise direction.
7 more elements
A method for rehanding a lock, the method comprising:
- removing a hub plate from a cartridge base, the hub plate being initially attached in a first orientation;
- fixing the hub plate to the cartridge base, the hub plate being reinstalled in a second orientation different from the first orientation, wherein in the first orientation, a first face of the hub plate abuts the cartridge base, and wherein in the second orientation, a second face of the hub plate opposite the first face abuts the cartridge base;
- detaching a door handle from the cartridge base;
- moving the door handle from a first position to a second position different from the first position;
- and
- reattaching the door handle to the cartridge base.
3 more elements
Dependencies are inferred from the claim text.