Back to results
US 11,598,133 B2Granted
Self-aligning door bogie
AssigneeTextron Innovations Inc.
InventorsBruce Bennett Bacon, Bart Marcus Shafer
Life of this patent
Estimating the term…
Abstract
A door roller includes a carriage member comprising a plurality of bores, and a plurality of roller assemblies connected to the carriage member, each roller assembly of the plurality of roller assemblies including a pivot bearing rotatably disposed within a bore of the plurality of bores and a pair of rollers coupled to the pivot bearing. Each wheel assembly is configured to pivot relative to the carriage member.
Claims20
A door roller comprising:
- a carriage member comprising a plurality of bores;
- a plurality of roller assemblies connected to the carriage member, each roller assembly of the plurality of roller assemblies comprising a pair of axles, a pivot bearing rotatably disposed within a bore of the plurality of bores and a pair of rollers coupled to the pivot bearing;
- and
- wherein the carriage member comprises a plurality of slots, each slot of the plurality of slots extend from an outer surface of the carriage member to an inner surface of the carriage member.
1 more element
A door roller comprising:
- a carriage member;
- and
- a plurality of roller assemblies, each roller assembly of the plurality of roller assemblies comprising:
- a pivot bearing rotatably disposed within a bore of the carriage member;
- a pair of shafts attached to the pivot bearing at a first end of each shaft of the pair of shafts, each shaft of the pair of shafts extending through a slot formed through the carriage member;
- a roller attached to a second end of each shaft of the pair of shafts;
- wherein the slot extends from an outer surface of the carriage member to an inner surface of the carriage member.
4 more elements
A proprotor aircraft comprising:
- a rotatable proprotor gearbox;
- and
- a proprotor gearbox door secured at one end of the proprotor gearbox door to a proprotor gearbox housing of the proprotor gearbox and at a second end to a roller track of the proprotor aircraft by a door roller;
- wherein the door roller comprises:
- a carriage member;
- and
- a plurality of roller assemblies, each roller assembly of the plurality of roller assemblies comprising:
- a pivot bearing rotatably disposed within a bore of the carriage member;
- a pair of shafts attached to the pivot bearing at a first end of each shaft of the pair of shafts, each shaft of the pair of shafts extending through a slot formed through the carriage member, wherein the slot extends from an outer surface of the carriage member to an inner surface of the carriage member;
- and
- a roller attached to a second end of each shaft of the pair of shafts.
8 more elements
Dependencies are inferred from the claim text.