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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12552020-B2, on 17 February 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000002908

Collapsible protrusions having a variable coefficient of friction

Published
Permanent URL
Classification
Robotics & Automation › Robot Architectures
Inventors
BEAULIEU ANDREW, KUPPUSWAMY NAVEEN SURESH, YIN JESSICA
Assignee
TOYOTA MOTOR CO LTD, TOYOTA RES INST INC
Original source
US-12552020-B2, the United States Patent and Trademark Office, 17 February 2026
Document SHA-256
465d701d389d57772dcf4a53ceccfb2d4b1879590766adb7543c44ebb28f8100

Abstract

A plurality of collapsible protrusions extending from a base including a first end, a second end, a first surface, and an outer surface. The second end is opposite the first end. The first surface is distal from the base. The outer surface is between the first end and the second end. The outer surface has a variable coefficient of friction. The variable coefficient of friction increases in a direction towards the base. The second end has a coefficient of friction greater than the coefficient of friction at the first end.

Publication information

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Citation

OpenTechnical Publication OT-2026-000002908, “Collapsible protrusions having a variable coefficient of friction,” published September 15, 2026 at 19:16:05 UTC, https://opentechnical.org/p/OT-2026-000002908.

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