Pneumatic precision pliers

Details Pneumatic precision pliers Pneumatic precision pliers

2006-09-19

2006-09-19

Jones, David B. (Department: 3725)

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

C072S391200, C072S453160, C029S243530

Reexamination Certificate

active

07107814

ABSTRACT:
The invention relates to a device for pneumatically operating a tool which can be driven by means of pressure, such especially, pneumatic pliers. The device has a cylinder comprising one or more pneumatically operated, nonpositively fitted pistons arranged in a row, for generating a translatory force. The respective piston rods of the pistons are sealed against the preceding piston and guided in cylinder covers by means of a seal, such as a lip seal. Components such as a wedge piston are functionally connected to the pistons, said wedge piston being coupled to a cuneiform wedge, for transferring the translatory force and for operating the tool. The pistons are supported by at least one piston guidance strip, in the direction against the inner wall of the cylinder.

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