Retaining catch for tip-out sash

Details Retaining catch for tip-out sash Retaining catch for tip-out sash

1989-07-12

1990-09-11

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Pivoted closure within framework of double hung sash

49175, 49176, 49185, 49187, 292226, 292269, 292DIG20, 292DIG47, E05D 1522

Patent

active

049551590

ABSTRACT:
A retaining catch for a tip-out sash provides an automatically deployed retainer mechanism for a sash slidably captive in a window frame or jamb. The sash can be raised and lowered by sliding it along the jamb. A releasable tenon, for example at the top edge of the sash, allows the user to rotate the sash out of the plane of the jamb, facilitating cleaning of the outside. Releasing the sash from the jamb by releasing the tenon activates a mechanism with a distal hook by which the edge of the sash remains captive and displacement of the edge of the sash from the jamb is limited to the unfolded length of the mechanism. The mechanism can be released fully from the jamb by manual action of the user, whereupon the hook returns under spring bias to reside along the edge of the sash.

REFERENCES:
patent: 3930336 (1976-01-01), Ruggieri, Jr.
patent: 4475311 (1984-10-01), Gibson
patent: 4605252 (1986-08-01), Yamamoto
patent: 4620393 (1986-11-01), Stafset
patent: 4622778 (1986-11-01), Simpson
patent: 4691950 (1987-09-01), Mayer

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