Reciprocal-movement power tool

Details Reciprocal-movement power tool Reciprocal-movement power tool

2005-09-06

2005-09-06

Peterson, Kenneth E. (Department: 3724)

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

C030S241000, C030S228000, C192S141000, C192S143000, C222S390000, C074S424710, C072S454000

Reexamination Certificate

active

06938531

ABSTRACT:
A reciprocal-movement power tool includes a movable blade reciprocally movably provided on a main body. A receiving plate that supports an angle iron to be cut is supported on the main body at a position in front of the movable blade. The movable blade is fixed on a front tip of a rod-shaped shuttle screw. The shuttle screw moves back and forth in the axial direction within a tubular screw shaft. The screw shaft is carved with a female screw portion and is rotated through a joint spindle that is deceleratingly rotated upon rotation of the motor through a deceleration means. The shuttle screw has a male screw portion that is threadingly engageable with the female screw portion.

REFERENCES:
patent: 3052980 (1962-09-01), Fieser
patent: 3178816 (1965-04-01), Schmid
patent: 3199193 (1965-08-01), Norty
patent: 3693254 (1972-09-01), Salonen
patent: 4747212 (1988-05-01), Cavdek
patent: 5104350 (1992-04-01), Morlack et al.
patent: 5867909 (1999-02-01), Jeltsch et al.
patent: 6044564 (2000-04-01), Jeltsch
patent: 6378217 (2002-04-01), Takamura et al.
patent: 6-75618 (1994-10-01), None

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