Sash locking device for casement window
OwnerChristian Carrierinventor
Life of this patent
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Abstract
An adaptor for a window locking mechanism wherein the locking mechanism includes a keeper on a window sash and a cam roller on a window frame, the adaptor comprising a body portion having first and second sides with a recess being formed in the body portion, the recess being sized to receive a portion of the cam roller, the body portion further having at least one ramped portion extending from an edge of the recess to the first side. The adaptor can be used with conventional cam roller windows and provides an improved surface engagement and a greater displacement span.
Claims10
A retrofit adaptor for use wit an existing window locking mechanism wherein the locking mechanism comprises a keeper on a window sash and a cam roller on a window frame, the adaptor comprising a body portion having first and second sides, a front face and a rear face, a recess formed in said body portion, said recess being sized to receive a portion of said cam roller, said body portion having first and second ramp portions, said first ramp portion extending from an edge of said recess to said first side, said second ramp portion extending from said recess to said second side, each of said first and second ramp portions being of a concave configuration, said rear face having a groove therein for mounting on a slider of said window frame.
In a window having a window locking mechanism comprising a keeper on the window sash, a cam roller and a slider on the window frame, the improvement comprising an adaptor for said cam roller, the adaptor comprising a body, a recess formed in said body, said recess being sized to partially receive said cam roller with a portion of said cam roller extending outwardly from said recess, said body having at least one ramped portion obliquely positioned with respect to a translation direction of the slider, said adaptor being mounted on said slider.
Dependencies are inferred from the claim text.