Miter detent override for a sliding compound miter saw

Cutting – Rotatable disc tool pair or tool and carrier – With means to support work relative to tool

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C083S473000, C083S490000

Reexamination Certificate

active

06810780

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to compound miter saws or other power operated equipment or machinery utilizing a cutter for performing working operations on a workpiece. More particularly, the present invention relates to improvements in the table assembly for the miter adjustment for such power operated equipment. The table assembly includes a miter detent override for allowing adjustment of the miter angle without interference from the detent system.
BACKGROUND OF THE INVENTION
Saws and other apparatuses designed for cutting or performing other working operations on a workpiece typically require adjustment mechanisms for moving the saw blade or cutting tool into an angular relationship to the workpiece. An example of such equipment includes cross-cut compound miter saws which are adapted for allowing the user to selectively move the saw blade into any of a number of positions or modes for square cutting, miter cutting, bevel cutting, or compound miter cutting where a combination miter and bevel are cut. In addition, some operations, such as dado cutting or shaping operations, for example, require the use of saw blades or other cutting or working devices of different shapes or sizes to be substituted for one another in order to perform the desired operation on the workpiece, whether the workpiece is composed of wood, plastic, metal or other materials.
In order to allow for the adjustment in miter and bevel angles, the saw blade, cutter or other working device is angularly adjustable with respect to a horizontal base and a vertical fence against which the workpiece is positioned. The miter adjustment allows the saw blade, cutter or other working device to move angularly with respect to the vertical fence while maintaining perpendicularity with the horizontal base. The bevel adjustment allows the saw blade, cutter or other working device to move angularly with respect to the horizontal base while maintaining perpendicularity with the vertical fence. At times it may be desirable to cut a combination miter and bevel by simultaneously adjusting the angularity of the blade with respect to both the horizontal base and the vertical fence.
Once the saw blade, cutter or other working device has been adjusted to the desired position with respect to the horizontal base and the vertical fence, locking mechanisms for the miter and bevel adjustment must be activated in order to prohibit movement of the saw blade, cutter or other working device with respect to the base and fence while the cutting operation is performed. These locking mechanisms need to be easily activated, adjustable and quick acting in order to optimize the efficiency of the cutting apparatus and provide convenience to the operator of the apparatus.
SUMMARY OF THE INVENTION
In accordance with the present invention, an improved table assembly incorporating a miter locking mechanism with a miter detent override mechanism is employed. The locking mechanism includes an axially extending locking rod which has a two positional lever assembly at one end and a guide/locking bracket at the opposite end. The guide/locking bracket is utilized to guide the movement of the locking rod as well as to lock the table at the desired miter angle. The lever assembly is movable between a first position where the miter table is locked to a base of the table assembly at a specified position and a second position where the miter table is free to rotate with respect to the base of the table assembly. The miter detent override mechanism includes a detent spring, a detent spring actuator and a plurality of detent slots with each slot being located at one of the various popular miter angles. When the detent spring is located within one of the detent slots, the miter table is releasable held at a respective one of these popular miter angles.
The detent spring actuator is provided to cause the detent spring to bypass the various detent slots provided at the various popular miter angles, thus allowing for adjustment of the table to a position in between the miter detent slots.
Further areas of applicability of the present invention will become apparent from the detailed description provided hereinafter. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.


REFERENCES:
patent: 1923820 (1933-08-01), Gorton
patent: 2666367 (1954-01-01), Berthiez
patent: 3487863 (1970-01-01), Buckley
patent: 3574315 (1971-04-01), Bouldinghouse
patent: 3611953 (1971-10-01), Schotti
patent: 3821918 (1974-07-01), Niehaus et al.
patent: 3948136 (1976-04-01), Gutowski et al.
patent: 3998121 (1976-12-01), Bennett
patent: 4011782 (1977-03-01), Clark et al.
patent: 4152961 (1979-05-01), Batson
patent: 4452117 (1984-06-01), Brickner et al.
patent: 4453576 (1984-06-01), Burns
patent: 4559857 (1985-12-01), Grossmann et al.
patent: 4665782 (1987-05-01), Vander Pol
patent: 5046390 (1991-09-01), Sasaki
patent: 5216964 (1993-06-01), Sato et al.
patent: 5249496 (1993-10-01), Hirsch et al.
patent: 4934233 (1994-08-01), Brundage et al.
patent: 5042348 (1994-08-01), Brundage et al.
patent: 5560273 (1996-10-01), Keddie
patent: 5595124 (1997-01-01), Wixey et al.
patent: 5819624 (1998-10-01), Brault et al.
patent: 5907987 (1999-06-01), Stumpf et al.
patent: 5988031 (1999-11-01), Wixey
patent: 6016732 (2000-01-01), Brault et al.
patent: 6431042 (2002-08-01), Brault et al.
patent: 6474206 (2002-11-01), Brunson
patent: 6520059 (2003-02-01), Stumpf et al.
patent: 6523447 (2003-02-01), Judge
patent: 6658977 (2003-12-01), Chang
patent: 130008 (1978-03-01), None
patent: 3120845 (1989-11-01), None
patent: 4033037 (1992-12-01), None
patent: 0091558 (1983-10-01), None
patent: 0407205 (1995-02-01), None
patent: 1.011.954 (1952-07-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Miter detent override for a sliding compound miter saw does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Miter detent override for a sliding compound miter saw, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Miter detent override for a sliding compound miter saw will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3279568

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.