US1096782A - Combination-tool. - Google Patents

Description

P. F. PREYTAG.

COMBINATION TOOL.

APPLICATION 21mm NOV. 4. 1913.

1,096,782. Patented May 12, 1914.

2 SHEETS-SHEET 1.

WITNESSES I o) INVENTOR Q l a; F 9 k 5 3 9 BY y-g ATTORNEYS COLUMBIA PLANOGIIAI H co. WAsnmoroN. D. c.

P. F. FREYTAG.

COMBINATION TOOL.

APPLIOATION rum) NOV.4, 1913 1,096,782. I PatentedMay12,191&

2 SHEETS-SHEET 2.

INVENTOR ATTORNEYS TE STA??? PHILIP F. FREYTAG, OF UTICA, NEW YORK.

COMBINATION-TOOL.

To all whom it may concern:

Be it known that I, PHILIP F. F nny'rao, of Utica, in the county of Oneida and State of New York, have invented certain new and useful Improvements in Combination-Tools; and I .do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the referencenumeralsmarked tl'i-ereon, which form part of this specification.

This invention relates to a combination tool which either by itself or combined with other common tools can be used as a T- square, trysquare, centensquarc, gage, bevel, protractor, surface gage and the like.

The purpose of my invention is to provide a tool of this class of improved construction and simple operation and one that is well adapted to be used elliciently in a great variety of ways.

A further purpose of my invention is to provide a tool of the character described that will readily grasp other tools such as rules and straight edges of all common thicknesses and that will effectually grasp such tools without regard to their width.

A further object ofmy invention is to provide such a tool equipped with novel and improved means for grasping other tools and further to have such means as will not injure the surface or edge of the article grasped and means furthermore that will effectually grasp the other tools without any tendency to move them from their relative position or adjustment.

Other objects of this invention not at this time more particularly mentioned will be clearly understood from the description hereinafter given.

Figure 1 is a top or plan view of a tool embodying my invention as used in connection with a rule or straight edge. Fig. 2 is a plan view of the bottom or back of the Fig. 3 1s a sectional view taken on line tool. 33 of Fig. 1. .Fig. 4. is a side view of the tool looking at the side parallel to line 3-3 of Fig. 1. Fig. 5 is a plan view of. the tool with the bracket removed. Fig. 6 is a plan view of the inner or bottom side of the bracket. Fig. 7 is a top plan view of the cam disk and its operating lever. Fig. 8 is a side view of the same. Fig. 9 is a plan View of the bottom of said cam disk. Fig.

Specification of Letters Patent.

Application filed November 4, 1913.

Patented May 17:), 191 1.

Serial No. 799,228.

10 is a plan view of the tool used in connection with a protractor and bevel. Fig. 11 shows in side elevation the tool used on edge with a surface gage. Figs. 12 and 13 are plan and end views respectively of a supplemental holder that may he used when my tool .is used with small or circular articles such as illustrated in F 11. Fig. 1 1 is a sectional view as on line Lil-"1 f of Fig. 1 showing a modilimtion of construction. Figs. 15 and 16 are respectively side and plan views of the supplemental disk used in the construction shown in Fig. 1-1. Fig. 17 is a sectional view similar to F showing a further mmlilication of construction. Fi 1.8 is a plan view of a supplemental disk used in the construction shown in Fig. 17. Fig. 19 an enlarged side view of the pin used in the last named constri'iction.

lefcrring to the drawing in a more par ticular description the tool has a thin, flatbottonied body 20 roughly triangular in shape but having eight sides arranged as plainly indicated in the drawings. Two of these sides 91, 21 forming the base of the triangle are in line with each other, forming an extended side in a straight line adapted to enable the tool to be used as the stock of a T-square or try-square as illustrated in Fig. 1. Each of the other two sides of this triangle are alike and composed of a portion or side 92 adjacent to the base sides .21. and at an angle of (50 thereto and another portion or side 23 at an angle of 41-5 degrees to the base and joining each othe' at the apex of the triangle. Centrally locatedin the base are the two reentcring sides 21 at an equal angle to the base and preferably at a right angle to each other. The center line of the body 20 extends from its apex at right angles to the base sides 21 and bisects the reentering angle formed by the two sides 2-1 Projecting upwardly from the general level of the top of the body 20 and on one side thereof as on the right-halal side, are perpendicular shoulders 25 facing the other half of the body and accurately in alinement with the center line of the body so that a rule or straight edge placed upon the top of the body 20 and having its edge held against these shoulders 25 will form with this tool anaccurate T-square, try-square or centersquare as will be evident from Fig. 1.

Formed integral with or preferably as herein illustrated securely fastened to the body 20 is a bracket 26 overhanging the top circling rib 29 which'may overhang the edge of the base 28 on its three sides to aid in S6; curing the bracket in place. Screws extending 1nto the upright 27 near each end hold the base of the bracket to the body 20/ The under side of the bracket 26 is formed with a centrally located recess 31 extended centrally through the upright 27 forming an aperture 32 Fig. 6 opening to the right upon the top of the base 28 of the bracket. In this recess 31 is housed the cam disk 33 with its lever handle 34 projecting out through the aperture 32. The lower side of the cam disk is flat and adapted to engage the surface of a rule, straight edge or other tool without injury thereto. The upper side of the cam disk is provided with recesses having inclined cam faces 35 adapted to engage downwardly extending ridges 36 Fig. 3 provided in recess 31 and on the under side of the bracket 26. Preferably the arrangement of parts is such that as the handle 34 is moved toward base sides 21 of the tool the cam faces will be brought into camming engagement with the ridges 36 and the cam disk forced downwardly toward the body 20 of the tool. The cam disk 33 is pivotally mounted in the recess 31 by means of a pin 37 extending through a central hole 38 in the disk 33 and through a hole 39 centrally located 'in the bracket 26; The disk is held upon the pin 37 by the enlarged lower end of the pin which is countersunk into the lower surface of the disk Figs. 17 and 19. The upper end of pin 37 is screw-threaded to receive a knurled nut 40. A coiled spring 52 placed about the pin and bearing at one end 7 against said nut'40 and at the other against the upper surface of the bracket adjacent to the pin, normally keeps the pin 37 and with it the cam disk 33 in raised position so that the disk is entirely within the bracket but allows the cam disk to be moved toward the body 20 and to some extent downwardly from the recess 31. The upper surface 41 of the base 28 of the bracket is knurled or roughened to aid in more positively engaging the roughened lower edge 34 of the handle 34. This surface 41 may be inclined downwardly as it approaches the base line of the tool in order to compensate for the downward movement of the disk and the handle as the handle is swung toward the base of the tool.

It will now be evident that any straight edge, ruleor simllar tool not greater in thickness than the space between the body I-Ieretofore most tools of thischaracter have been usable with a rule or straight edge of either one exact thickness or one exact width or both. Many such tools have required a special rule or straight edge and been practically unusable with any other or ordinary tools. Furthermore the grip of my tool is of such character and extends over such a large area of the surface grasped that'the tool does not injure the tool or other article grasped by it. Furthermore the grip of my tool is so strong andrextendsover an area sufficiently removed from the center line of the tool as to render the tool usable for many purposes not heretofore possible. Again the fact that my tool grasps by means of an open sided bracket enables it to be used for other purposes not heretofore practical. An example of this form of utility is that shown in Fig. 10 where a protractor is used which extends beyond the bracket and likewise a swinging arm which may swing through half a circle without coming in contact with any part of my tool but which may be held firmly in position against thepro-J tractor at any angle within the half circle. 7

While in the form heretofore illustrated and described the bracket 26 may be'placed a sufficient distance above the body 20 to admit therebetween any ordinary rule even in its folded condition and the cam members may be arranged so as to move the cam disk down sufficiently to grasp avvery thin straight edge, yet I prefer not to give the tool such a range of movement but attain the results in the way hereinafter mentioned. By giving the tool a smaller range of movement its grasp is stronger-and more reliable. Ordinarily one user of the tool'rer quires it for grasping tools of practically the same thickness either mostly thin tools or mostly thick tools.

In the simple form of my device as heretofore described the tool is adapted to grasp thick tools even when having the more limited movement from its cams. To adapt this tool to most eliicient use'upon fmuch thinner tools I have devised the modificationshown in Fig. 14 which consists of mounting on the thermore this supplemental disk on account of bearing against the camming disk only near the pin 37 has little tendency to rotate with the cam disk and so does not tend to grasped by the tool. It will be understood of course that this supplemental disk may be readily inserted in the tool whenever desired by the operator simply unscrewing the nut from pin 37, removing the pin from the lower side of the tool, slipping the supplemental disk 42 011 to the pin 37, then inserting the pin into the tool and re-placing the nut.

Preferably the body 20 will be cut away in its interior parts as much as possible leaving the interior edges parallel with adjacent exterior edges as indicated in the drawings to make the tool as light as possible and to form further angles and edges for the use of the operator.

A further feature of my invention is to enable the tool to firmly grasp articles circular or curved in cross section. For this purpose there is provided across the contact surface of the body 20 and slightly spaced from the shoulders 25 and parallel thereto a sha1- low rounding groove 43 of such size as to assist in holding against the shoulders 25 any round or curved rod that may be grasped by the tool. To further assist in holding certain circular articles I provide a plate 44 having a curved or beveled edge 45 adapted to fit against a rounding article and hold the same in place as the tool grasps or presses down upon the body of the plate 44. This plate 44 is preferably provided with a foot portion 46 at right angles to the plate and of sufficient width to hold the tool equipped with this footed plate upright as indicated in Fig. 11 where the tool is represented as supporting a surface gage. The lower part of the standard of this gage may be placed in the tool in reverse position and used as a scratch gage.

Figs. 17 to 19 illustrate a further modification of construction which is adapted to absolutely prevent the article grasped from being displaced from its adjusted position through the operation of the cam disk. In this constructiona supplemental disk 41-2 used below the cam disk 33 and forms the contact surface of the tool. i \lthough this supplemental disk 42 is forced down by the cam disk 33 it kept from rotating therewith by means of being mounted upon the pin 37 by a square hole 17 in said disk fitting a squared portion 48 on the pin near its head. Above this squared portion on the pin is a round portion 49 upon which the cam. disk may freely rotate. Above this round portion 49 is a squared portion 50 fitting into a square hole 51. in the bracket 33 preventing rotation of the pin but allowing it to slide up and down through the bracket as much as needed. Obviously other equivalent ways of preventing rotation of the supplemental disk and pin, while allowing free rotation of the cam disk, may be used. Such means are considered within the scope of the claims hereinafter set forth as I have shown and described the particular means herein simply as being a simple and my preferred way of :uzcomplishing the desired object.

What I claim as new and desire to secure by Letters Patent is:

1. In a tool of the character described a body having a flat face on its top adapted to receive a supplemental tool such as a rule or the like and having astraight side adapted to form the stock of the tool when used as a T-square or the like, shoulders projecting upward from said body and adapted to form a stop for one edge of the supplemental tool, a bracket fixed upon said body and overhanging said tool-receiving face, cam actuatcd means mounted in said over-hanging bracket and adapted to move toward the body and hold a tool inserted beneath said bracket.

2. In a tool of the character described a body having a flat face on its top adapted to receive a supplemental tool such as a rule or the lil': and having a straight side adapted to form the stock of the tool when used as a T-squaro or the like, shoulders projecting upward from said body and adapted to form a stop for one edge of the supplemental tool, a bracket fixed upon said body and over -hanging said tool-receiving face, cam actuated means including a contaet disk loosely mounted relative to said cam, mounted in said over-hanging bracket and adapted to move toward the body and hold a tool inserted beneath said bracket.

3. In a tool of the character described a body having a flat face on its top adapted to receive a supplemental tool such as a rule or the like and having a straight side adapted to form the stock of the tool when used as a T-square or the like, shoulders projecting upward from said body and adapted to form a stop for one edge of the supplemeir tal tool, a bracket fixed upon said body and over-hanging said tool-receiving face, cam actuated means, including a non-rotating contact disk, mounted in said over-hanging bracket andadapted to move toward the body and hold a tool inserted beneath said bracket.

In witness whereof I have aliixed my signature, in the presence of two witnesses, this 8th day of Sept, 1913.

PHILIP F. FREYTAG.

\Vitnesses WALLACE C. FREYTAG, HAmur/r 1V1 LLIAMS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

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