| 摘要 |
A sash fastener for securing a slidable and tiltable sash window includes a lock assembly and left-hand and right-hand latch assemblies. The lock assembly is mounted upon the sash window meeting rail, and includes a pivotable cam to engage a keeper on the master frame, a handle to pivot the cam, and a pair of pivotable arms, each extending into the meeting rail. A link selectively connects the two arms, and when actuation of the handle causes the cam to rotate, it may selectively drive one of the arms to pivot, with the link causing the other arm to pivot. The left- and right-hand latch assemblies each include a housing, biasing means, a latch member with an adjustable receiver clip having an opening therein configured to receive one of the arms of the lock assembly, within the meeting rail, with movement of the arms actuating the latch to permit tilting. |
| 主权项 |
1. A combination locking and tilt latching fastener, for use on a frame of a sash window configured to slide and tilt with respect to a master window frame, said fastener comprising:
a first latch assembly and a second latch assembly, each comprising: a housing having a first end and a second end, a latch member, a biasing means, and a receiver clip; said latch member comprising a plurality of in-line, equally-spaced openings; said latch member slidably received within said housing to be slidable between a retracted position and an extended position where a first end of said latch member protrudes out from said housing first end; said biasing means configured to bias said latch member toward said extended position; said receiver clip comprising a through opening configured to receive a portion of said latch member therethrough, and said receiver clip comprising a flexible member with a protrusion thereon configured to normally protrude transversely into said through opening, to be releasably received in one of said plurality of in-line openings of said latch member, for adjustable coupling of said receiver clip to said latch member, and said receiver clip comprising a transverse opening; each of said first and second latch assemblies configured to be received through a respective opening in a first side and a second side of the sash window frame, with said housing of each latch assembly respectively secured thereto; a lock assembly configured to be mounted to the meeting rail of the sash window frame, said lock assembly comprising: a housing; a cam pivotally mounted to said housing and configured to engage a portion of the master frame when pivoted into an extended position to lock the sliding sash window; a handle fixedly secured to said cam, and configured to drive said cam to rotate between said extended position, a first retracted position, and a second retracted position; a first arm and a second arm each pivotally mounted to said housing, and configured to extend through an opening in the meeting rail, to be engaged within said transverse opening of said receiver clip of said first and second latch assemblies, respectively, said cam configured for rotation thereof to cause corresponding counter-rotation of said first arm; and a link member pivotally coupled to each of said first and second arms, to cause rotation of said second arm upon said counter-rotation of said first arm; wherein said cam in said first retracted position is configured to be disengaged from the master frame to permit sliding of the sash window; and wherein movement of said cam into said second retracted position is configured to actuate said first arm, and simultaneously actuate said second arm, to drive said respective latch members of said first and second latch assemblies into said retracted latch member position, to permit tilting of the sash window with respect to the master frame. |
