Invention Grant
- Patent Title: Tool for breaking hammer, breaking hammer, and use thereof
- Patent Title (中): 破碎锤,破碎锤及其用途的工具
-
Application No.: US14344951Application Date: 2012-09-12
-
Publication No.: US09095968B2Publication Date: 2015-08-04
- Inventor: Ossi Kahra
- Applicant: Ossi Kahra
- Applicant Address: FI Tampere
- Assignee: SANDVIK MINING & CONSTRUCTION OY
- Current Assignee: SANDVIK MINING & CONSTRUCTION OY
- Current Assignee Address: FI Tampere
- Agent Corinne R. Gorski
- Priority: FI20115904 20110915
- International Application: PCT/FI2012/050881 WO 20120912
- International Announcement: WO2013/038059 WO 20130321
- Main IPC: B25D17/02
- IPC: B25D17/02 ; B28D1/26 ; B28D1/28 ; E02F3/96 ; B25D9/12 ; E21C27/28 ; E21D9/10

Abstract:
The invention relates to a tool for a breaking hammer, a breaking hammer, and the use of a breaking hammer. The breaking hammer includes a percussion device, the percussion piston of which providing impacts to the tool for breaking rock. An impact surface of the tool has a curved form surface that has a radius of curvature and a center axis on the longitudinal axis of the tool. The direction of the centre axis is transverse to the plane through the longitudinal axis of the boom of a work machine.
Public/Granted literature
- US20140346840A1 Tool for breaking hammer, breaking hammer, and use thereof Public/Granted day:2014-11-27
Information query