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Патент USA US2087188

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I YV. T. FULTON
i
2,087,188
TOOL
Filed Nov. 2, i956
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'
ATTORNEYS
Patented July 13, 1937
ETE
2981188
STAT S
ii
2,087,188
TOOL
Willis T. Fulton, Oakland, Calif.
Application November 2, 1936, Serial No. 163,888
3 Claims. (Cl. 233-432)
The invention relates to a special tool and more I6 and the straight peripheral guiding edge Il,
especially to a scribing and cutting tool for ñoor
coverings such as linoleum or the like.
The .primary object of the invention is the
provision of a tool of this character, wherein the
same is so constructed that it can be hand op
respectively, the journal for the roller l5 being
indicated at i8 and is separably threaded in the
lower end of the leg at the longitudinal center
thereof.
~
Depending from the crown I9 of the arched
erated for the scribing and cutting of iioor cover
portion lil is an arm forming a bracket 2i) pro
ings such as linoleum or the like so as to have vided with a fork 2l for accommodating there
such covering snugly and properlyñt at the in a stem 22 for a scribing element, in this in
10 meeting edges thereof with the Walls of an en
stance in the nature of a pin 23, which is angu- 10
closure, the tool being of a novel construction larly set within the stem` near its lower end by
to enable convenient handling thereof and the a. set screw 2d and the point 25 of such pin is
easy scribing and cutting of the material.
engageable with a piece of material 26 such as
Another object of the invention is the provision
16 of a tool of this character, wherein the scrib~ linoleum to be laid upon a floor, the scribing
area of such material 26 rides upon a rounded 15
ing element or the cutting blade is supported in knob 2l formed on and directed inwardly from
a unique manner and novel in arrangement for the leg ll at a point above the friction roller
the successful working of the tool.
l5 so that the material 26 can be conveniently
A further object of the invention is the pro
scribed as is indicated in Figure 1 of the draw
20 vision of a tool of this character, which is simple
ing at 2S when the tool is moved when placed 20
in its construction, thoroughly reliable and ef
in an upright position and superimposed for
iicient in its operation, light in Weight yet strong, guiding upon the material to be scribed and out.
durable, and inexpensive to manufacture.
The stem 22 plays through the fork 2l of the
With these and other objects in view, the in
bracket 2Q and also through an opening or clear
25 vention consists in the features of construction,
ance 29 provided in the crown IS and is ñtted 25
combination and arrangement of parts as will with an adjustable collar 30 against which seats
be hereinafter more fully described, illustrated in a coiled tensioning spring 3l about said stem.
the accompanying drawing, which discloses the This spring 3l also rests against a washer 32
preferred embodiment of the invention and seated upon the fork 2l of the bracket 20. In
30 pointed out in the claims hereunto appended.
this manner the stem 22 is held in a position to 30
In the accompanying drawing:
have the pin 23 confront the knob 27 for the
Figure 1 is a fragmentary perspective view of scribing action of the pin.
the tool constructed in accordance with the in
'I'he frame A rearwardly of the arched portion
vention set to a piece of work.
` I 0 is provided with a loop handle 33 which at
35
Figure 2 is an enlarged fragmentary side ele
the toe and heel areas thereof has feet 34 for 35
vation partly in section of such tool.
the frame A. The foot Sill next to the arched
Figure 3 is a fragmentary bottom plan View. portion I0 has a center guideway 35 for the end
Figure 4 is a fragmentary side view partly in portion of a resilient strap or strap-like spring
section showing the knife blade fitted with the 36 which is pivotally coupled at 3l to the lower
40 tool.
end of the stem 22 and this spring functions to 40
Similar reference characters indicate cor
hold the stem in a position for the close con
responding parts throughout the several views in tact of the pin 23 with the Work. The under face
the drawing.
of the spring 3d is dotted with wear buttons 38.
Referring to the drawing in detail, the tool
The spring 3E is held in the guideway 35 by a
45 comprises a frame A cast or otherwise formed
screw-attached clamping plate 39.
45
and constructed from metal of a kind lightin
In Figure 4 of the drawing there is shown a
Weight yet strong and durable. The frame A is
provided with an upwardly arched head lll pro
viding a leg Il which is disposed at a slight
50 incline and this leg at opposite sides thereof is
iitted with elongated rollers l2 journaled in off
set portions i3 and i4, respectively, extended
laterally from said leg. At the lower end of the
leg Il is journaled a horizontally rotatable fric
55 tion roller l5 having the beveled upper portion
cutting blade @El adjustably held in a hanger
fil adapted for separable fitting in the leg 42 in
substitute for the leg H.
The friction roller i5 maintains the tool at a 50
given point from a wall or baseboard and avoids
friction in the use of the tool when scribing or
cutting the material 2t.
The feet 3Q function as gliders for the frame A
in the handling of the tool.
2,087,188
2
The spring 36 functions to have the pin 23 of
the cutter 40 correctly operate for Various thick
nesses of material.
What is claimed is;
.
1. A tool of the character described comprising
a frame having an upwardly arched portion pro
viding a sloping leg, elongated rollers journaled
at opposite side edges of said leg, a bracket
formed with the arched portion and depending
10 inwardly thereof, a tensioned stern fitting said
bracket, a guide roller at the lower end of the
leg, a scribing element carried by said stem, a
work engaging knob formed with said leg, and
spring means acting upon ‘the stem to hold the
15 scribing member in confronting relation to the
knob.
2. A tool of the character described comprising
a frame having an upwardly arched portion pro-
Viding a sloping leg, elongated rollers journaled
20 at opposite side edges of said leg, a bracket
formed with the arched portion and depending
inwardly thereof, a tensioned. stem fitting said
bracket, a guide roller at the lower end of the
leg, a scribing element carried by said stem, a
work engaging knob formed with said leg, spring
means acting upon the stem to hold the scribing
member in confronting relation to the knob, a
handle extending from the frame neXt to the
arched portion, and feet on the handle extension
and constituting gliders.
3. A tool of the character described comprising
a frame having an upwardly arched portion pro
viding a sloping leg, elongated rollers journaled 10
at opposite side edges of said leg, a bracket
formed with the arched portion and depending
inwardly thereof, a tensioned stem fitting said
bracket, a guide roller at the lower end of the
leg, a scribing element carried by said stem, a 15
work engaging knob formed with said leg, spring
means acting upon the stem to hold the scribing
member in confronting relation to the knob, a
handle extending from the frame next to the
arched portion, feet on the handle extension and 20
constituting gliders, and means for regulating the
tension on said stem.
‘
WILLIS T. FULTON.
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