Cutlery – Cutting tools – Saw
Patent
1996-12-31
1998-03-17
Watts, Douglas D.
Cutlery
Cutting tools
Saw
30392, B23D 4910, B23D 5102
Patent
active
057273227
ABSTRACT:
A jig saw 30 includes a housing 32 and a keyless shoe 54 which can be adjusted relative to the housing to selectively position a cutting blade 48 for effecting a cut perpendicular to the plane of a workpiece 66, or a cut which is bevelled with respect to the plane of the workpiece. A locking mechanism 58 includes a lever 60 which is formed with a locking section 170 having a wide cross section portion and a narrow cross section portion. When making an adjustment, the locking mechanism 58 is unlocked by pivoting the lever 60 so that the narrow portion of the locking section 170 is in a prescribed alignment. After making the adjustment to a desired relative orientation and position between the housing 32 and the shoe 54, the lever 60 is pivoted to the locked position. In this position, the wide portion of the locking section 170 is placed in a prescribed alignment whereby the components of the locking mechanism 58 are locked, or tightened.
REFERENCES:
patent: 3033312 (1962-05-01), Enders
patent: 3087519 (1963-04-01), McCarty et al.
patent: 3146809 (1964-09-01), Botefuhr
patent: 3162782 (1964-12-01), Downs
patent: 3938251 (1976-02-01), Kareman
patent: 4262421 (1981-04-01), Bergler et al.
patent: 5517763 (1996-05-01), Schilling et al.
patent: 5535520 (1996-07-01), Armstrong
patent: 5617638 (1997-04-01), Amano et al.
patent: 5644845 (1997-07-01), Durr et al.
Black & Decker Inc.
Dearing Dennis A.
Del Ponti John D.
Watts Douglas D.
Yocum Charles E.
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