LATCH MECHANISMS WITH ROTATING LATCH BOLTS AND TILT WINDOW ASSEMBLIES USING SAME

摘要

An exemplary tilt latch mechanism including a latch bolt configured to rotate about a bolt axis to locate a portion of the latch bolt adjacent a portion of a latch, or jamb, channel for support is described herein. The latch bolt may include a foot portion configured to, e.g., distribute forces within the latch channel.

主权项

1. A tilt window assembly comprising:
a window frame including a first jamb and a second jamb, wherein the window frame defines a frame opening; a first sash mounted in the frame opening between the first and second jambs; a second sash mounted in the frame opening between the first and second jambs, wherein the second sash is configured to move along a length of the first and second jambs between an open position and a closed position; a first latch channel in the first jamb, wherein the first latch channel extends along a first longitudinal axis, wherein the first latch channel comprises, in a cross-sectional view taken transverse to the first longitudinal axis, a base located distal from the first and second sashes and an L-shaped portion extending away from the base towards the first and second sashes, the L-shaped portion comprising a leg and a flange extending from the leg, wherein the flange is aligned with the base and the leg connects the flange to the base; a first latch mechanism attached to the second sash, wherein the first latch mechanism comprises a latch bolt configured to move between a retracted position and an extended position along a bolt axis, wherein the latch bolt comprises a foot portion located in the first latch channel when the latch bolt is in the extended position, and wherein latch bolt is configured to rotate about the bolt axis from an insertion position to an engagement position, wherein a bearing end of the foot portion is located closer to the leg of the L-shaped portion of the first latch channel when the latch bolt is in the engagement position than when the latch bolt is in the insertion position; a second latch channel in the second jamb, wherein the second latch channel extends along a second longitudinal axis, wherein the second latch channel comprises, in a cross-sectional view taken transverse to the second longitudinal axis, a base located distal from the first and second sashes and an L-shaped portion extending away from the base towards the first and second sashes, the L-shaped portion comprising a leg and a flange extending from the leg, wherein the flange is aligned with the base and the leg connects the flange to the base; and a second latch mechanism attached to the second sash, wherein the second latch mechanism comprises a latch bolt configured to move between a retracted position and an extended position along a bolt axis, wherein the latch bolt of the second latch mechanism comprises a foot portion located in the second latch channel when the latch bolt is in the extended position, and wherein latch bolt of the second latch mechanism is configured to rotate about the bolt axis from an insertion position to an engagement position, wherein a bearing end of the foot portion is located closer to the leg of the L-shaped portion of the second latch channel when the latch bolt is in the engagement position than when the latch bolt is in the insertion position.