US Patent Issued to JACOBS CHUCK MANUFACTURING (SUZHOU), APEX BRANDS on May 20 for "Chuck with lock sleeve" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,984, issued on May 20, was assigned to JACOBS CHUCK MANUFACTURING (SUZHOU) COMPANY LTD. (Suzhou, China) and APEX BRANDS INC. (Apex, N.C.).

"Chuck with lock sleeve" was invented by Fei Huang (Suzhou, China), Tingwei Zeng (Suzhou, China) and Jichun Zhou (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chuck (300) may include a lock disk (380), a ball retainer (350), a lock sleeve (360), a wedge pin (371), and a pin drive spring (320). When the lock sleeve (360) is disposed in the locked position, the wedge pin (371) may be positioned by the pin drive spring (320) in a wedged engagement between a pin engaging surface of the ball retainer...