Window opening facilitator

Details Window opening facilitator Window opening facilitator

Filed on

1988-07-26

Date issued

1989-05-16

Examiner

Schmidt, Frederick R.

Patent Class

Implements or apparatus for applying pushing or pulling force

SubClass

Single throw lever

SubSubClass

Adjustable

Other Related Categories

B66F 300

Type

Patent

Status

active

Patent number

048303380

Description

ABSTRACT:
A device to facilitate open windows comprising a lever arm with a delta shaped lead edge and incorporating a pivot pin; and a frame with a series of notches to receive the pivot pin at selectable fulcrum points. Both the delta shaped lead edge of the arm and the bottom lead edge of the frame are rounded to "roll", allowing steady, continuous pressure on the window sash throughout the opening process.

REFERENCES:
patent: 1960255 (1934-05-01), Tyroff

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