Window or the like stays
AssigneeInterlock Industries Limited
InventorRonald Percival Davis
Life of this patent
Estimating the term…
Abstract
A window stay for swingably mounting a window sash on a window frame, comprises a pair of vertically superposed stub mounting plates secured to one of the sash and frame, and at least one further mounting plate secured to the other of the sash and frame. A pair of arms pivotally interconnect each stub mounting plate with the further mounting plate or plates. One of the pivotal connections of the arms is a friction joint of special form.
Claims7
A window stay for swingably mounting a window sash on a window frame, said stay comprising two mounting plates, two arms each of which is pivoted at one end to a said mounting plate, a single mounting plate to which the other end of each arm is pivotally mounted, at least one of the pivot joints at the ends of said arms being a wear resistant friction joint, said mounting plates having openings therethrough for securing said mounting plates to one of said frame and sash, and said single mounting plate having openings therethrough for securing said single mounting plate to the other of said frame and sash.
A window stay for swingably mounting a window sash on a window frame, said stay comprising two mounting plates, two arms one pivoted at one end to each said mounting plate, the other end of each arm being pivoted to a separate further mounting plate, at least one of the pivot joints at the ends of said arms being a wear resistant friction joint, said mounting plates having openings therethrough for securing said mounting plates to one of said sash and frame, and said further mounting plates having openings therethrough for securing said further mounting plates to the other of said sash and frame.
Dependencies are inferred from the claim text.