Window egress assistance handle

Details Window egress assistance handle Window egress assistance handle

2007-11-09

2009-11-24

Lavinder, Jack W. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Insulated handle

Loop-type handle

C016S443000, C016S422000, C016S426000

Reexamination Certificate

active

07621024

ABSTRACT:
A window operation assistance handle having a base, at lease one finger grip with two legs, multiple offset orifice fixation ports for receiving multiple securing devices such as setscrews or thumbscrews, and a base hollow groove. To temporarily install and use the handle, the handle is positioned to envelope an integrated leverage point in the hollow groove, and the securing devices disposed in the multiple offset orifice fixation ports are engaged to create a non-penetrating compressive friction fit upon enveloped leverage point. The window can then be lifted or slid by applying force to the finger grips. The handle can be adjusted to the user's strength, size, and dimensions, and installed and removed without use of tools or creating permanent damage of the framework of the window.

REFERENCES:
patent: 145132 (1873-12-01), Smith
patent: 1491045 (1924-04-01), Johnson
patent: 2450193 (1948-09-01), Galliano
patent: 2642581 (1953-06-01), Loe
patent: 2777729 (1957-01-01), Nieratko
patent: 3263267 (1966-08-01), Ahlberg
patent: 4829976 (1989-05-01), Pourtau et al.
patent: 6711784 (2004-03-01), Walker

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