Sound-dampened driving apparatus for fasteners

Details Sound-dampened driving apparatus for fasteners Sound-dampened driving apparatus for fasteners

1982-05-19

1985-04-09

Kazenske, E. R.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

173139, 91243, B25C 104

Patent

active

045096694

ABSTRACT:
The present invention relates to a sound-dampened driving apparatus for fasteners wherein a main valve member is arranged above a working cylinder of the apparatus and movable within a cylindrical bore. When the main valve member is in its lower at rest position, the main valve member separates the working cylinder from a source of compressed air and connects the cylinder to the atmosphere. When the main valve member is in its upper actuating position, the working cylinder is connected to the source of compressed air and the valve member blocks the cylinder connection to the atmosphere. The space above the main valve member within the cylindrical bore is capable of being alternately connected to either the atmosphere or compressed air, and includes a sound dampening means arranged in the space above the main valve member.

REFERENCES:
patent: 3774293 (1973-11-01), Golsch
patent: 3905535 (1975-09-01), Novak et al.
patent: 4039113 (1977-08-01), Males
patent: 4252261 (1981-02-01), Klaus et al.
patent: 4401251 (1983-08-01), Nikolich

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