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US 4,481,735 AGranted
Ventilating skywindow
AssigneeWasco Products, Inc.
InventorsArthur P. Jentoft, Paul A. Couture
Life of this patent
Estimating the term…
Abstract
An operator for providing opening and closing of a skylight and described herein in a number of separate embodiments, including a first embodiment which is solely manual including a gear and sprocket drive. A second embodiment employs a combination of a manual hand crank drive along with electric motor drive. In third and fourth embodiments described herein, the operator is set up normally for manual drive but is readily adapted by replacement of the manual cover plate to electric motor drive.
Claims10
An operator for a skylight or the like comprising:
- a housing,
- means securing the housing to the skylight,
- drive gear means in the housing for driving a means for causing the skylight to open and close,
- manual handle means,
- means coupling the manual handle means to the drive gear means to enable manual opening and closing,
- electric motor means,
- and means coupling the electric motor means to the drive gear means,
- said drive gear means including a plurality of sequentially operated gears one of which has the manual handle means coupled thereto and another one of which has the electric motor means coupled thereto,
- and means for rotationally supporting said plurality of gears with the one and another gears being supported by separated parallel-disposed spaced support shafts and with the one and another gears being arranged in parallel planes.
6 more elements
Dependencies are inferred from the claim text.