US 4,057,935 AGranted

Quick release mechanism for window guard or the like

AssigneesRod G. Rohrberg, Henry P. Trentz

InventorsRod G. Rohrberg, Henry Patrick Trentz, Victor Herbert Ziegler

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Abstract

A guard grille for a window, door, or the like, has a retainer member which is fixedly attached thereto and which is adapted to releasably engage a latching mechanism which is retained on the wall adjacent to a window frame. The latching mechanism includes an inner latching member which is attached to a slidably mounted rod and an outer retainer collet which in the latched position retains the latching member within the retainer member. A spring is placed between the inner latching member and the retainer member, this spring being compressed when the mechanism is in the latched condition. The mechanism is unlatched by means of a knob located adjacent to the inner wall surrounding the window frame, this knob being attached to the rod connected to the inner latching member. Inward actuation of the knob moves the inner latching member away from the retainer collet against the spring, thereby releasing the latching mechanism, the spring and actuation by the operator driving the grille away from the window.

Claims12

Dependent claims

A quick release latching device for releasably securing a guard to a wall surrounding an opening in said wall, comprising:

a tube member supported on said wall and extending between inner and outer portions of said wall,
a sleeve member mounted on an outer portion of said wall and attached to said tube member near one end of said tube member,
a rod member slidably mounted within the tube member and extending from a point beyond the inner surface of said wall to a point within said sleeve member,
a latching member attached to the end of said rod member extending within said sleeve member,
manually operable actuator member attached to the end of said rod member extending beyond the inner surface of said wall,
a resilient retainer collet attached to said one end of said tube member proximate to where the sleeve member is attached thereto, and
retainer means attached to said guard and having a receptacle formed therein for receiving said retainer collet, said latching member forcing said collet against the inner wall of said receptacle to secure the sleeve member to the receptacle when the device is in the latched condition, said sleeve member being released from the receptacle when the actuator member is depressed towards the inner wall surface to draw the latching member away from the collet.

4 more elements

In a window guard grille for covering a window, a quick release latching device for securing said grille to a wall surrounding said window comprising:

a sleeve member fixedly attached to an outer portion of said wall and extending through said outer wall portion,
a tube member attached near one end thereof to said sleeve and mounted within said sleeve in internal concentricity therewith and attached to an inner portion of said wall at the other end thereof,
a collet member attached to said one end of said tube member and having a plurality of resilient fingers flaring out from the end of said tube member,
a rod member slidably mounted within said tube member in internal concentricity therewith, one end of said rod member extending through said inner wall portion beyond the other end of said tube member, the other end of said rod member extending through said one end of said tube member to within said sleeve member,
a latching member attached to the other end of said rod member, said latching member having a truncated conical portion tapering in the direction towards said one end of the rod member,
a knob attached to said one end of said rod member for manually actuating said rod member, and
a receptacle member attached to said guard grille having a tubular portion which fits within said sleeve member in internal concentricity therewith, said tubular portion forming a chamber which receives said collet and latching members, said latching member operating to spread the resilient fingers of the collet against the inner wall of the chamber to secure the sleeve member to the receptacle member when the device is in the latched condition, said sleeve member being released from the receptacle member when the rod member is actuated to draw the latching member away from the collet thereby permitting the resilient fingers to be forced inwardly.

4 more elements

Dependencies are inferred from the claim text.