Window operator

Details Window operator Window operator

1996-07-03

1998-11-03

Redman, Jerry

Movable or removable closures

With operator for movably mounted closure

Reversibly flexible and rigid rod

E05F 1100

Patent

active

058291997

DESCRIPTION:

BRIEF SUMMARY
BACKGROUND OF THE INVENTION



FIELD OF THE INVENTION

The present invention relates to a mechanism for angularly moving a panel or closure element. More particularly the mechanism is intended to perform the function of a window operator for opening and closing a window sash.


SUMMARY OF THE INVENTION

Broadly the invention consists of a mechanism for angularly moving a panel or closure element the mechanism comprising a housing which incorporates a guide in which is slidingly located an elongate multi-link connector one end of which is extendable from the housing and is adapted for coupling to the panel or closure, there being drive means whereby the connector can be moved relative to the guide, said connector being formed from a plurality of links maintained in an inter-engaging relationship by an elongate flexible joining element, the connector including means for engagement with the drive means such that drive from the drive means can be imparted to the connector.
In the preferred embodiment of the invention the links are formed from a plastics material.
According to a second broad aspect of the invention there is provided a mechanism for angularly moving a panel or closure element the mechanism comprising a housing which incorporates a guide in which is slidingly located an elongate multi-link connector one end of which is extendable from the housing and is adapted for coupling to the panel or closure, there being drive means whereby the connector can be moved relative to the guide, the housing being formed by a base portion and a cover incorporating at least part of said drive means, the base portion being formed substantially as a single unit from a plastics material and incorporating said guide, there being drive transfer means associated with said base portion such that drive from that part of the drive means associated with cover is imparted to the multi-link connector.
According to yet a further broad aspect of the invention there is provided a mechanism for angularly moving a panel or closure element the mechanism comprising a housing part of which is formed from a plastics material and which defines a guide in which is slidingly located an elongate multi-link connector said connector being adapted for coupling to the panel or closure, there being drive means whereby the connector can be moved relative to the guide, said connector being formed from a plurality of links maintained in an inter-engaging relationship by an elongate flexible joining element.
According to yet a further broad aspect of the invention there is provided a mechanism for angularly moving a panel or closure element, the mechanism comprising a substantially elongate housing within which is slidingly located a multi-link connector, one end of which is extendable from the housing and is adapted for coupling to the panel or closure, there being drive means whereby the connector can be moved, said drive means including an electric motor mounted with said housing to extend beyond one end thereof, a drive shaft of the motor being coupled to a gear arrangement within the housing to impart drive from the motor to said connector.


BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of the mechanism in a preferred form intended to perform the function of a window operator,
FIG. 2 is a similar perspective view but with the cover removed,
FIG. 3 is a detailed view of the operator handle and gear mechanism,
FIG. 4 is a perspective view of part of the elongate connector of the operator,
FIG. 5 is a perspective view of one of the links of the connector,
FIG. 6 is a cross-section view through part of the connector,
FIG. 7 is a perspective view (partly exploded) of the connector,
FIG. 8 is a perspective exploded view of the sash bracket attachable to the end of the connector and mountable on a window sash,
FIG. 9 is a perspective view of the base portion of the housing,
FIG. 10 is a cross-section through the turret of the cover of the housing,
FIG. 11 is a perspective view of a mounting for a drive motor,
FIG. 12 is a further p

REFERENCES:
patent: 3717247 (1973-02-01), Moore
patent: 4481735 (1984-11-01), Jentoft et al.
patent: 4521993 (1985-06-01), Techeny et al.
patent: 5271182 (1993-12-01), Greisner et al.

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