04074462 is referenced by 8 patents and cites 3 patents.

A foolproof mechanism for operating a multi-positioned window is disclosed for general use, but is particularly suitable to institutional, commercial, industrial and other buildings with unrestricted ingress, and the window has a handle capable of allowing it to be in a tilt, swing, or closed position. Means are provided to lock the handle in each of the positions, when the window assumes the desired open position.

Title
Multi-position window
Application Number
5/747491
Publication Number
4074462
Application Date
December 6, 1976
Publication Date
February 21, 1978
Inventor
Murray Parker McHeffey
Little Silver
NJ, US
Agent
Peter L Berger
Assignee
Extrudart Metal Products
NJ, US
IPC
E06B 11/00
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