Double-hung window pivot

Details Double-hung window pivot Double-hung window pivot

1987-07-09

1989-03-21

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Pivoted closure within framework of double hung sash

49176, 49181, E05D 1522

Patent

active

048131806

ABSTRACT:
A double-hung window pivot which eliminates the need for banding of the window during shipment and installation. The pivot includes a sliding member which has a bore perpendicular to a front surface thereof and a pivot button with a slot captively held in the bore which includes a retaining member adjacent a bottom surface thereof. A pivot bar is attached to the window sash and includes a projection sized to fit into the slot and has a slotted arrangement positioned to engage the retaining member. The projection is insertable into and removable from the slot only when the window sash is oriented with respect to the window frame in a position not used for vertical sliding movement or for pivoted cleaning of the window sash whereby the pivot bar and the pivot button are non-releasably connected together during normal shipment, installation and use of a window sash and frame employing the window pivot.

REFERENCES:
patent: 4068406 (1978-01-01), Wood
patent: 4364199 (1982-12-01), Johnson et al.
patent: 4590708 (1986-05-01), Campodonico
patent: 4610108 (1986-09-01), Marshik
patent: 4718194 (1988-01-01), Fitzgibbon et al.

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