Combustion-engined setting tool

Details Combustion-engined setting tool Combustion-engined setting tool

2007-02-20

2007-02-20

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Free piston

Single chamber; one piston

C173S209000, C227S009000

Reexamination Certificate

active

11220749

ABSTRACT:
A combustion-engined setting tool for driving fastening elements in constructional components includes a combustion chamber (14) for combusting therein a full gas-oxidant mixture, at least one guide element (20) arranged coaxially with a longitudinal axis (34) of the combustion chamber (14) for supporting axially displaceable wall (17) of the combustion chamber (14) for an axial displacement along the guide element (20) which is pivotally supported in a drag bearing (22), and a guide cylinder (12) adjoining the combustion chamber (14) in which a setting piston (11) is arranged for an axial displacement therein.

REFERENCES:
patent: 4825819 (1989-05-01), Morash
patent: 5181495 (1993-01-01), Gschwend et al.
patent: 6463894 (2002-10-01), Hasler et al.
patent: 6532917 (2003-03-01), Thieleke et al.
patent: 6755335 (2004-06-01), Fielitz
patent: 6968811 (2005-11-01), Rosenbaum
patent: 2003/0097832 (2003-05-01), Voelker et al.
patent: 2006/0075978 (2006-04-01), Schiestl et al.

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