Operating mechanism for closure fastening elements

Details Operating mechanism for closure fastening elements Operating mechanism for closure fastening elements

1989-02-02

1990-06-12

Moore, Richard E.

Closure fasteners

Bolts

Multiple

2923363, E05C 904

Patent

active

049326910

ABSTRACT:
An operating mechanism for an espagnolette fastening arrangement, particularly for a window frame of extruded sections, comprises a casing (21) within which are disposed two sliders (22, 23) and a toothed drive belt (24) entrained around rollers (25), opposite runs of the belt between the rollers engaging rack formations (27, 28) on the sliders. The sliders are connected to espagnolette bars (34, 39) and one of the sliders (23) is moveable by a cranked rod (18) operable by a handle (12). The use of the toothed belt as a means of driving the sliders in opposite directions simultaneously enables the mechanism to be of compact dimensions.

REFERENCES:
patent: 3924427 (1975-12-01), San Juogin
patent: 4453072 (1984-06-01), Middleton, Jr. et al.
patent: 4476700 (1984-10-01), King

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