Pivot lock for sliding windows
AssigneeUltra Sash Window Factory, Inc.
InventorsJoseph Famulare, Eugene Orange, Angelo Alfieri
Life of this patent
Estimating the term…
Abstract
A removable device can be placed into the groove of window frame of a sliding window and which prevents the window from pivoting inward during a storm. The device is a block having a top surface, a bottom surface a front face, a rear face, a leading end and a trailing end. The bottom surface of the block is configured to fit slidably within a window frame adjacent a sash within the window frame. The leading end of the block has a leg extending outward from the block so that when the block is positioned in the window frame so that the leading end abuts the window frame, the leg extends along a peripheral edge of the sash and prevents the sash from pivoting out of the window frame.
Claims11
A device for preventing a sliding sash of a window from pivoting out of a window frame, comprising:
- a block having a top surface, a bottom surface, a front face, a rear face, a leading end and a trailing end, the bottom surface being configured to fit slidably within a window frame adjacent a sash within the window frame, and the leading end of the block having a leg extending therefrom, such that when the block is positioned in the window frame so that the leading end abuts the window frame, the leg extends along a peripheral edge of the sash and prevents the sash from pivoting out of the window frame.
A window assembly, comprising:
- a window frame having an inner surface with a groove running all around said inner surface;
- two sashes slidably mounted in the groove of said window frame, said sashes being offset from one another in said window frame so that the sashes can slide independently of one another;
- and
- at least one pivot lock mounted in the groove adjacent an end surface of one of the sashes, said pivot lock comprising a block having a top surface, a bottom surface, a front face, a rear face, a leading end and a trailing end, the bottom surface being configured to fit slidably within the groove, and the leading end of the block having a leg extending therefrom, the leg extending along a peripheral edge of the sash and preventing the sash from pivoting out of the window frame.
Dependencies are inferred from the claim text.