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US 2020/0346899 A1Published application
Modular sheave unit
AssigneeOtis Elevator Company
InventorsDavid R. Torlai, Jun Ma
Life of this patent
Estimating the term…
Abstract
Disclosed is a modular sheave unit including: a bearing that includes an outer race, an inner race and one or more rolling elements therebetween; and a sleeve that includes one or both of: an outer sleeve axially surrounding the outer race, the outer sleeve including an outer surface defining a groove, the groove configured to receive a belt; and an inner sleeve axially surrounded by the inner race and disposed between the inner race and a mandrel.
Claims20
A modular sheave unit comprising:
- a bearing that includes an outer race, an inner race and one or more rolling elements therebetween;
- and
- a sleeve that comprises one or both of:
- an outer sleeve axially surrounding the outer race, the outer sleeve including an outer surface defining a groove, the groove configured to receive a belt;
- and
- an inner sleeve axially surrounded by the inner race and disposed between the inner race and a mandrel.
3 more elements
An elevator sheave system comprising:
- a plurality of modular sheave units arranged side by side along a mandrel;
- and
- each of the modular sheave units including:
- a bearing that includes an outer race, an inner race and one or more rolling elements therebetween;
- and
- a sleeve that comprises one or both of:
- an outer sleeve axially surrounding the outer race, the outer sleeve including an outer surface defining a groove, the groove configured to receive a belt;
- and
- an inner sleeve axially surrounded by the inner race and disposed between the inner race and a mandrel.
6 more elements
A method of configuring a modular sheave unit, comprising:
- arranging, a plurality of modular sheave units, side by side along a mandrel, each of the modular sheave units including:
- a bearing that includes an outer race, an inner race and one or more rolling elements therebetween;
- and
- a sleeve that comprises one or both of:
- an outer sleeve axially surrounding the outer race, the outer sleeve including an outer surface defining a groove, the groove configured to receive a belt;
- and
- an inner sleeve axially surrounded by the inner race and disposed between the inner race and a mandrel.
4 more elements
Dependencies are inferred from the claim text.