support assembly

By introducing constraint devices and end stop devices into the support assembly, the problems of excessive stress and inaccurate position control of the support assembly under large offset forces are solved, achieving stable and accurate positioning of the contact point and improving the controllability of rotational motion.

CN122345137APending Publication Date: 2026-07-07CAMBRIDGE MECHATRONICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CAMBRIDGE MECHATRONICS
Filing Date
2025-11-19
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing support assemblies are prone to generating excessive stress under large bias forces and cannot effectively control or reset the position of the second part along the support surface of the first part.

Method used

By designing constraint devices, the position of the contact point radially to the axis of rotation and its orientation within the rotation range are limited. Combined with end stops and complementary guide areas, this ensures that the contact point is reset to the expected position or that the positional difference is limited to within a threshold.

Benefits of technology

Effective control of the contact point position of the second part during rotation reduces slippage, prevents excessive stress, and ensures the stability and accuracy of the rotational motion.

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Abstract

A bearing assembly comprising a first part, a second part and a constraint device. The first part comprises a first bearing member defining a first bearing surface. The second part comprises a second bearing member. The second part is configured to rotate relative to the first part about an axis of rotation, such that the second bearing member rolls along the first bearing surface and exerts a normal force which can be represented by a point force acting on the first bearing surface at a contact point. The constraint device is configured to constrain a relationship between a position of the contact point along the first bearing surface in at least one direction radial to the axis of rotation and an orientation of the second part about the axis of rotation over at least a portion of a range of rotation of the second part.
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