| 摘要 |
The milling attachment has a gear shaft (2) which can be coupled to a percussion drilling machine and has an eccentric disc (3) which drives the fork end of a double-arm tool holder (9) for blade-shaped milling tools. The tool holder consists of a part stamped in one piece and oscillates about a pivot axis (8) at a fork piece (6). The gear shaft and the fork piece connected to it in such a way as to transmit blows are displaceably mounted in the longitudinal direction of the gear shaft in an attachment housing (1) which has a mounting (14) for connecting to the percussion drilling machine and carries at least one handle (15), the displaceability being greater than the percussion stroke movement of the gear shaft in the attachment housing. The connection between the attachment housing and the percussion drilling machine by means of the mounting is axially adjustable in such a way that the percussion stroke movement of the gear shaft, when coupled to the percussion drilling machine in an impact-resistant manner, lies within the displaceability of gear shaft and fork piece in the attachment housing. <IMAGE>
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