Positioning device
US7168695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2003 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Feb 19, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q1/009
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A supporting face (1a) is provided on a base plate (1), a face (2a) to be supported is provided on a work pallet (2), and an engagement hole (3) is opened in the face (2a) to be supported. A core column (11) is projected upward from a housing (9) fixed to the base plate (1). An elastic sleeve (12) that fits in the engagement hole (3) is supported in a space at the outer periphery of the core column (11), on the upper face of the housing (9). Wedge spaces (W) narrowing downward are circumferentially arranged at an substantially equal intervals between the core column (11) and the elastic sleeve (12). Wedge members (15) are vertically movably inserted in each of the wedge spaces (W). Input portions (20) of the wedge members (15) are connected to an output portion (44) of an upper rod (43) of a piston (33).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.