Hydraulic hammer having co-axial accumulator and piston
US9555531B2 · kind B2 · utility
1Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Nov 24, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/365
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hydraulic hammer is disclosed having a piston and an accumulator membrane disposed external and co-axial to the piston. Additionally, a sleeve is disposed between the piston and accumulator membrane, wherein the sleeve has a plurality of radial passages formed therein that fluidly connect the accumulator membrane with the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.