The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 1987
Filed:
Jun. 23, 1986
Ronald P Davis, Wellington, NZ;
Other;
Abstract
A window stay for use in mounting a window sash to a window frame, comprising a lower arm adapted to be pivotally mounted to the frame of a window at its proximal end and to the sash of the window at its distal end, a first upper arm adapted to be pivotally mounted at its proximal end to the frame of the window at a point spaced from the mounting of the distal end of the said lower arm, a second upper arm pivotally connected at its proximal end to the distal end of the said first upper arm and adapted to be pivotally mounted at its distal end to the said window sash at a point spaced from the mounting of the distal end of the said lower arm, and an intermediate control arm extending between the said lower arm and the said first upper arm and pivotally connected to each at points spaced from the ends thereof so as to direct movement of said first upper arm during opening and closing the the stay.