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US 12,553,259 B2Granted
Reduced-friction latch bolt
Assigneedormakaba USA Inc.
InventorsJuan Alvarado, Jeromy Higgins
Life of this patent
Estimating the term…
Abstract
A door assembly includes a frame including a strike member, the strike member including a first coating having a first material and a door hingedly coupled to the frame, the door including a latch member operable to engage with the strike member to secure the door in a closed position, the latch member including a second coating having a second material, the second material being different than the first material.
Claims20
A door assembly comprising:
- a frame including a strike member, the strike member including a first coating having a first material;
- a door hingedly coupled to the frame, the door including a latch member operable to engage with the strike member to secure the door in a closed position, the latch member including a second coating having a second material, the second material being different than the first material;
- and
- a debris removal member operable to remove debris from an active surface of the latch member, wherein the debris removal member is positioned to contact at least a portion of the active surface of the latch member.
1 more element
A latch assembly comprising:
- a strike member operable to be coupled to a frame of a door;
- a latch bolt assembly including a latch member movable between an unlatched position and a latched position and wherein the latch member is operable to selectively contact the strike member in the latched position for securing the door in a closed position, wherein the latch member includes an active surface along which the latch member contacts the strike member;
- and
- a debris removal member comprising a brush and operable to remove debris from the active surface of the latch member, wherein the debris removal member is positioned to contact at least a portion of the active surface of the latch member during operation of the latch bolt assembly.
1 more element
A latch assembly comprising:
- a strike member operable to be coupled to a frame of a door;
- a latch bolt assembly including a latch member movable between an unlatched position and a latched position and wherein the latch member is operable to selectively contact the strike member in the latched position for securing the door in a closed position, wherein the latch member includes an active surface along which the latch member contacts the strike member;
- and
- a debris removal member positioned on the strike member and operable to remove debris from the active surface of the latch member, wherein the debris removal member is positioned to contact at least a portion of the active surface of the latch member during operation of the latch bolt assembly.
1 more element
Dependencies are inferred from the claim text.