Patent · US Active

Drive-in device having an adjustable combustion chamber

US10639777B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Peter Stauss-Reiner · Feldkirch, AT
Norbert Heeb · Buchs, CH
Thomas Sperrfechter · Zizers, CH
Markus WOERNER · Eichstätt, DE
Tilo Dittrich · Feldkirch, AT

Key dates

Filing date	Dec 16, 2015
Grant date	May 5, 2020
Priority date	—
Expiry date	Jan 19, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25C1/008
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a drive-in device, comprising a drive-in piston, guided in a cylinder, for driving a nail member into a workpiece, and a combustion chamber arranged above the drive-in piston, said combustion chamber being Tillable with a combustion gas, wherein the combustion chamber has a bottom that is adjustable along an axis, wherein the bottom has a groove that extends in the circumferential direction and has an inserted seal which bears in a radial direction against a rigid combustion-chamber wall, wherein a front surface, in the axial direction, of the seal protrudes in the direction of the axis from a terminating plane of the groove.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.