Device for removing formlockingly anchored dowels
US6427304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2001 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Apr 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53987
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for removing formlockingly anchored dowels including an anchor rod and an expansion sleeve (31) displaceable along the anchor rod, the device including a sleeve-shaped support member (2) having, at one of its ends, a support shoulder, an indexing projection (4) extending beyond the support shoulder (3) and provided with a load application element (5) movable in a tensile operational engagement with the load application element (32) of the dowel sleeve (31); and a through-bore provided with an inner thread for receiving a shaft (7) having an outer thread (8) cooperating with the inner thread of the through-bore (6) to provide for a relative axial displacement of the shaft (7) with respect tot he support member upon rotation of the shaft (7), the shaft (7) having identical coupling elements (11) provided at its opposite longitudinal ends, and an adaptor (12) including an elongate section (13) having at its free end connection element (14) corresponding to the coupling element (11) of the shaft (7) and having, at its end opposite the elongate section (13), a shank (15) receivable in a chuck of a hand-held tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.