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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-2026077456-A1, on 19 March 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-2026-000001740

Quick Release Bit Holder

Published
Permanent URL
Classification
Tools & Tooling › Clamping Tools
Inventors
CHEN HO-TIEN
Assignee
CHEN HO TIEN
Original source
US-2026077456-A1, the United States Patent and Trademark Office, 19 March 2026
Document SHA-256
4b66493b697ced9d36d73019d6f4ea8dc2274c5145860c350fda7723b24c43e9

Abstract

This invention relates to a quick release bit holder, which includes at least a main body and a sleeve. A first rod provided at the rear end of said main body, a second rod provided at the front end of said main body, and said second rod successively provided with a first outer surrounding, a second outer surrounding and a third outer surrounding from back to front. The outer diameter of said first outer surrounding is larger than the outer diameter of said second outer surrounding, and the outer diameter of said second outer surrounding is larger than the outer diameter of said third outer surrounding. A plurality of ball holes provided around said third outer surrounding, a ball arranged in each ball hole, a first annular groove provided at the front end of said third outer surrounding, a compressible ring provided therein. Said sleeve mounted at the front end of said main body, an first inner surrounding provided at the inner rear end of said sleeve, a second inner surrounding provided at the inner front end of said sleeve, and the inner diameter of said first inner surrounding is larger than the inner diameter of said second inner surrounding. An M-shaped groove provided at the front end of said second inner surrounding, a first blocking surrounding provided behind said M-shaped groove.

Publication information

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Citation

OpenTechnical Publication OT-2026-000001740, “Quick Release Bit Holder,” published September 15, 2026 at 19:08:13 UTC, https://opentechnical.org/p/OT-2026-000001740.

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Terms

This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.