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Dec. 24, 1946.
_
M, c‘ LAWRENCE
v
2,413,147
HAND SANDER
Filed Sept. 14, 1945
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2,413,147
Patented Dec. 24, 1946
‘UNITED’ STATES PATENT/“Pic? 7
2,413,147} f
.,
HAND SANDER ‘
Malcolm C. Lawrence, Bremerton, Wash.
Application September 14, 1945, Serial No. 616,326
2 Claims. (01. 51-187)
2
1
This invention relates to hand sanders, the
primary object of the invention being to provide
tended downwardly towards the bottom of the
body portion 5.
A substantially V-shaped slot indicated at 3
is formed within the body portion 5, and is dis
posed in the upper surface of the body portion,
the V-shaped slot 9 being disposed at an acute
where it will be held in such a way as to present
angle with respect to the upper surface of the
a ?at sanding surface, during the sanding opera
body portion, as shown by Fig. 1 of the drawing.
tion.
This slot 9 is designed to receive the wedge block
An important object of the invention is to pro~
vide a hand sander having a cushioning surface 10 It which is tapered to ?t within the V-shaped
slot. One end of the sanding strip is positioned
against which the sanding strip rests during the
in the V-shape-d slot, and the wedge block H] is
sanding, thereby reducing wear on the sanding
forced into the slot where it frictionally engages
strip to the minimum, and at the same time pro
the sanding strip, setting up a binding action be
vide a sander which will adapt itself to irregulari
tween the sanding strip and wedge block to
ties in the sanded surface and prevent the sand
securely hold the sanding strip taut.
ing strip from digging into the sanded surface,
Thus it will be seen that due to this construc
should uneven pressurebe directed to the sander.
tion, the sanding strip may be readily and easily
With the foregoing and other objects in view
a hand sander having means whereby the abra
sive strip used therewith, may be readily and
easily secured to the body portion of the device,
removed and replaced when it becomes worn, and
which will appear as the description proceeds, the
invention consists of certain novel details of con 20 that because of the length of the sanding strip,
struction and combinations of parts hereinafter
more fully described and pointed out in the claims,
it being understood that changes may be made
in the construction and arrangement of parts
without departing from the spirit of the inven DO U!
tion as claimed.
Referring to the drawing
Figure 1 is a side elevational view of a sander
it may be readily reversed when the sanding strip
begins to show wear. By reversing, is meant that
the end of the sanding strip positioned in the slot
8 will be removed and positioned in the wedge
shaped slot 9, while the end of the sanding strip
normally positioned in the wedge-shaped slot 9,
will be extended into the slot 8. With this change
of positioning, the unused portion of the sanding
strip will be presented for sanding purposes.
constructed in accordance with the invention.
The knob indicated at H is formed on the
30
Figure 2 is a plan view thereof.
upper surface of the body portion, adjacent to one
Figure 3 is a transverse sectional view through
end thereof, and this knob provides an enlarge
the sander.
ment on which the operator’s hand may rest in
Referring to the drawing in detail, the device
directing pressure to the body portion, during the
comprises a body portion 5 which may be of any
a
desired size, that is to say if the device is to be , sanding operation.
In order that the body portion may be con
operated with one hand, the length of the body
veniently gripped, the upper edge of the wedge
portion will be about siX inches, but if the device
block I9 is slightly beveled and rounded, as at
is to be used with both hands as a plane, it may
l2 to better fit the palm of the hand of the per
be desirable to construct the body portion of
greater length.
40 son using the device. Grooves l3 are also formed
in the longitudinal side surfaces of the body por
As shown, the lower surface of the body portion
tion, to receive the fingers of the hand gripping
is slightly curved from the center thereof, to the
ends of the body portion. Secured to this curved
the body portion.
'
From the foregoing it will be seen that due to
surface, is a cushioning member 6 which may be
constructed of rubber, felt or other suitable ma 45 the construction shown and described, I have pro
vided a hand sander which will be exceptionally
terial. This cushioning member provides a sup
handy in sanding surfaces, and one wherein the
porting surface for the sanding strip which is
sanding strip may be readily and easily removed,
indicated by the reference character 1, the sand
without the use of clamping screws or the like.
ing strip being of a length so that it completely
50
What is claimed is:
covers the cushioning member 6.
At one end of the body portion 5, is a slot
into which one end of the sanding strip 1 is posi
tioned, the slot being indicated by the reference
1. A hand sander comprising a body portion
having a slot formed in one end thereof, said slot
adapted to accommodate one end of a sanding
strip, said body portion having a slot in the upper
character 8, and is so disposed that the end of
the sanding strip positioned therein will be ex 55 surface thereof in which the opposite end of the
3
2,413,147
4
sanding strip is positioned, the intermediate por
tion of the sanding strip being stretched over the
lower surface of the body portion, a wedge-shaped
block adapted to be ?tted in the slot formed in the
upper surface of the body portion in contact with
the sanding strip, securing the sanding strip to
the body portion, and said wedge-shaped block
strip, said body portion having a slot in the upper
surface thereof in which the opposite end of the
sanding strip is positioned, the intermediate por
tion of the sanding strip being stretched over the
lower surface of the body portion, a wedge-shaped
block adapted to be ?tted in the slot formed in
the upper surface of the body portion in contact
with the sanding'strip, securing the sanding strip
having a rounded upper end spaced from the up
per surface of the body portion, adapted to ?t the
to the body portion, and said wedge-shaped block
curvature of ,the hand gripping the body portion 10 having a rounded, beveled outer end spaced from
during the sanding operation.
the upper surface of the body portion, providing
2. A hand sander comprising a body portion
a rest for the hand gripping the body portion dur
having a slot formed in one end thereof, said slot ‘
adapted to accommodate one end of a sanding
ing the sanding operation.
‘.1
MALCOLM C. LAWRENCE.
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