Invention Grant
- Patent Title: Wrench
-
Application No.: US16687063Application Date: 2019-11-18
-
Publication No.: US11235441B2Publication Date: 2022-02-01
- Inventor: Weikai Yang , Robert V. Albertson , Jingrong Ye , Timothy Florian
- Applicant: Weikai Yang , Robert V. Albertson , Jingrong Ye , Timothy Florian
- Applicant Address: CN Ruao Town; US MN Mound; CN Hangzhou; US CA Tarzana
- Assignee: Weikai Yang,Robert V. Albertson,Jingrong Ye,Timothy Florian
- Current Assignee: Weikai Yang,Robert V. Albertson,Jingrong Ye,Timothy Florian
- Current Assignee Address: CN Ruao Town; US MN Mound; CN Hangzhou; US CA Tarzana
- Agent Richard O. Bartz; Richard Jo Bartz
- Main IPC: B25B13/00
- IPC: B25B13/00 ; B25B13/46 ; B25B23/00
Abstract:
A wrench has a head with an inside cylindrical wall surrounding a body with ramps. Cylindrical rollers located between the ramps and the cylindrical wall of the head are moved into wedging positions relative to the ramps and the inside cylindrical wall with permanent magnets located in a cage assembly anchored on the body.
Public/Granted literature
- US20200246944A1 WRENCH Public/Granted day:2020-08-06
Information query
