Impact tool, handle assembly and method of attaching handle to head
US5123303A · kind A · utility
Inventors
Key dates
| Filing date | Aug 15, 1988 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Aug 15, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25G3/34
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An impact tool is disclosed comprising a striking head, such as a hammer (claw, ball peen, ripping or sledge), axe or adze, having a handle-receiving socket extending therethrough with walls tapering toward the handle-receiving opening. The head has aligned holes in two opposite walls adjacent to the handle receiving opening. A handle has a head portion inserted in the socket and a handle portion. The handle head portion has a plurality of gripping surfaces engaging the walls of the socket and a laterally extending hole aligned with the handle head holes. Securing means, such as a two-piece holding screw, bolt, or rivet extends through the aligned handle head and striking head holes and a setting-type plastic resin, such as an epoxy or polyurethane resin, fills the space around the handle head portion in the socket to the end of the socket opposite the handle-receiving opening to secure the striking head against dislodgement during use. The securing means may be a two-piece holding screw with a socket opening for receiving the stem of a socket tool or may secure a carrying clip against the impact head. When the striking head is a claw hammer, one tooth of the claw may have a v-shap…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.