| 摘要 |
The disclosed device enables to drive in and take out nails driven into the tread surface of a motor vehicle tire and guided through the carcass and optionally through the belt. The nail heads are linked to a device for driving them in and taking them out. A hydraulic pad (2) is arranged inside the tire support elements, such as carcasses and optional belts (5). The nail heads (1) bear directly or indirectly on an area of the pad (2), and a counterweight (3) may be pressed on another area of the pad (2). By the deformation of the pad (2) in the reverse direction to the motion of the counterweight (3) the nail heads (1) may be taken in and out. |
