Adjustable lock point for lock tie bars

摘要

A lock system for casement or awning windows. The lock system includes a keeper and a tie bar with a rivet assembly rotatably attached thereto. The rivet assembly includes a rivet and a sleeve rotationally fixed to the rivet, the rivet and the sleeve having longitudinal axes parallel to but offset from each other.

主权项

1. A casement window comprising:
a frame; a sash operably received in the frame; and a lock assembly for locking the sash in the frame, the lock assembly comprising:
a tie bar operably coupled to the frame, the tie bar having a rotatable rivet assembly thereon, the rotatable rivet assembly including a rivet having a head portion and a shank portion, and a sleeve received on the shank portion, the sleeve having an outer surface being substantially cylindrical about a sleeve axis, the head portion and the shank portion of the rivet being symmetrical about a rivet axis, the shank portion received through an aperture in the sleeve so that the rivet axis is offset from the sleeve axis and the sleeve is rotationally and axially fixed relative to the rivet, wherein the rivet and the sleeve are rotatable together relative to the tie bar so as to shift an orientation of the sleeve relative to the tie bar, and wherein the outer surface of the sleeve does not extend beyond an outer perimeter of the head portion; anda keeper on the sash, the tie bar being selectively operable to engage the rivet assembly with the keeper to secure the sash to the frame.