TABLE SAW MITRE GAUGE EXTENSION

RALLONGE POUR BOITE A ONGLETS DE SCIE D'ETABLI

English Abstract

ABSTRACT OF THE DISCLOSURE
A device attachable to a table saw mitre gauge,
the device including a flat plate that adjustably bolts
to the gauge so as to give a longer surface against
which work is held and the flat plate supports an ad-
justable block against which an end of the work can be
abutted for controlling a length of the work that is
being sawed.
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Claims

I claim:
1. A table saw mitre gauge extension, comprising
in combination a pair of parallel spaced apart, front
and rear plates affixed together by spacers between
opposite ends there of, a pair of rearward bolts through
said back plate attaching said extension to a mitre gauge,
and a pair of forwardly bolts through said front plate
attaching a rip fence thereto.
2. The combination as set forth in claim 1
wherein said extension is slidably adjusted to said mitre
gauge, and said rip fence is slidably adjusted to said
extension by slot means.
3. The combination as set forth in claim 2
wherein said extension is located on either side of a
saw blade of a table.
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Description

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BACKGROUND OF THE INVENTION
This invention relates generally to table saw
mitre gauges. It is well know to those persons acquainted
with working with a table saw, that it is not feasable,
and at a same time is dangerous, to attempt cutting small
pieces of wood with a conventional rip fence or mitre
gauge, so that this situation is accordingly in need of
an improvement.
SUMMARY OF THE INVENT_ON
10 Therefore it is a principal object of the present
invention to provide a table saw mitre gauge extension
that eliminates the danger of cutting small pieces of
wood with a conventional rip fence, and which allows
straight cutting a pice of wood of less than 8 inches
length with a mitre gauge, or cutting a wood less than 10
inches long at any angle.
Another object is to provide a table saw mitre
gauge extension which will allow a large number of wood
pleces to all be cut an exactly same length, one after
another without need to measure each individually.
Still a further object is to provide a table saw
mitre gauge extension which gives extreme accuracy and
consistancy on any angle or compound angle cuts, and
which allows cutting of thin, flexible and soft materials
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accurately which otherwise would not be possible with
a conventional mitre gauge.
Still another further object is to provide a
table saw mitre gauge extension which will work on
either side of a saw blade, and which is universal so
to fit on all table saw mitre gauges.
Further objects of the invention will appear as
the description proceeds.
To the accomplishment of the above and related
objects, this invention may be embodied in the form
illustrated in the accompanying drawings, attention being
called to the fact, however, that the drawings are
illustrative only, and that changes may be made in the
specific construction illustrated and described within
the scope of the appended claims.
BRIEF DESCRIPTION OF DRAWIN~ FIGURES
Figure 1 is a front perspective view of the inven-
tion, shown partly broken away so as to indicate the
rear side single slot.
Figure 2 is a top view of the device.
Figure 3 is a top view of a circular saw table
showing the invention installed thereupon and in use.

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DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
Referring now to the drawing in greater detail,
the numeral 10 represents an extension for a mître gauge
11 of a saw table 12 having a circular saw 13 within a
slot 14 thereof and driven by a motor under the table.
The mitre gauge is mounted on a block 15 slidable in a
groove 16 on an upper side of the table.
In the present invention, the extension 10 com-
prises a front plate 17 and parallel rear plate 18 with
a central space 19 therebetween, the plates being
affixed integrally together by a spacer 20 affixed there-
between at opposite ends thereof.
The rear plate has a single horizontal slot 21
for receiving a pair of carriage bolts 22 fitted in slots
23 of the mitre gauge. A wing nut 24 is on each carriage
bolt 22.
The front plate has two horizontal slots 25 for
each receiving a carriage bolt 26 extending through a base
27 of a rip fence 28, and a wing nut 29 is on each carri-
age bolt 26.
Each slot 21 and 25 may have an enlarged hole 30near one end thereof so that a head of the bolts 22 and
26 can be inserted therethrough in order that the bolt
heads are inside the central space 19 with the heads
bearing against the plates, while the bolts protrude
; outwardly from both sides of the extension.
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The rip fence 28 is L-shaped by having a face
plate 31 at right angle to the base 27. A triangular
brace 32 is made integrally between the base and face
plate.
In operative use, the extension is adjusted
relative to the mitre gauge by means of the bolts 22
being slided in the slot 21 and the wing nuts 24 then
being tightened so to hold the extension firmly against
the mitre gauge in the selected position. The rip fence
28 is then ad~usted respective to the extension by means
of bolts 26 being slided in slots 25, and the wing nuts
29 then being tightened so as to firmly lock the rip
fence in the selected position.
By rotationally adjusting the mitre gauge to a
desired angle, as shown in figure 3, a plurality of wood
pieces 33 can then have a saw cut 34 made across each,
in succession, so that an end edge 35, thus made, makes
each work piece 36 the same in length, the mitre gauge
having determined the angle of the cut, and the rip fence
position having determined the length of the finished
wood piece.
While certain novel features of this invention
have been shown and described and are pointed out in the
annexed claims, it will be understood that various
omissions, substitutions and changes in the forms and
details of the device illustrated and in it operation
can be made by those skilled in the art without departing
from the spirit of the invention.