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US 10,253,543 B2Granted
Drum drive system for sliding window sash
AssigneeAmesbury Group, Inc.
InventorGary Newman
Life of this patent
Estimating the term…
Abstract
A threaded drum is rotated by a drive shaft. As the threaded drum rotates, part of a cable is wrapped around the drum, while at the same time, a second part of the cable is unwrapped from the drum. Rotation of the drive shaft is based on rotation of an operator.
Claims20
A system comprising:
- an operator;
- a drive shaft configured to rotate based on a rotation of the operator;
- a threaded drum translatably disposed on the drive shaft;
- and
- a cable wrapped about the threaded drum, such that a rotation of the drive shaft rotates the threaded drum and simultaneously (a) wraps a first portion of the cable about the threaded drum and (b) unwraps a second portion of the cable from the threaded drum.
2 more elements
A system comprising:
- a drive shaft comprising an axis;
- a threaded drum translatably disposed along the axis;
- and
- a cable system at least partially disposed about the threaded drum, wherein the cable system is configured to be simultaneously payed out from the threaded drum and wrapped about the threaded drum, during a rotation of the threaded drum via rotation of the drive shaft.
1 more element
Dependencies are inferred from the claim text.