Патент USA US2087188код для вставки
I YV. T. FULTON i 2,087,188 TOOL Filed Nov. 2, i956 ///// ' 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.