US1488916A - Combination tool - Google Patents

Description

April 1 1924.` 1,488,916'

i A. GEORGE COMBINATION Tool.

Filed Jan.v 3. 1922 /7/v THU/vr EORGE.

Apr, l,

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consumeren roei..

Application :filed `Tanuary 3, 1922. Serial .'tl'o. 523,@3.

To all w/wm t maj] concern: fore limit ymyself to the use of the scale Be 1t known that l, ANTHONY Gnoncn, a markings shown. citizen oi the United States, residing at Gre- The blades or blade sections have a pair nora, inthe county ot lvfilliams and State of of pivot pins or screws l and 5, and by North Dakota, have invented a new and use means or the thumb nuts G and 7 on the re- 60 ful Combination Tool, of which the followspective screws, the end blade sections may ing is a specification. be adjusted to various angles with relation The present invention is designed to proto the intermediate section l, or the end secvide a combination tool or geometrical intions may be turned to alined position, asin l strument of the multipivoted straight edge ll ig. 4, to form a straight edge. ln any of 65 type, including alevelingieature, and level these adjusted positions the end blades may sighting feature. The primary object of the be secured in rigid relationship to the ininvention is the provision 01"' a tool oit this termediate blade by turning tight the thumbcharacter of the folding rule type that is nuts.

l5 adapted for various uses, constructed of a For laying oil angles at various degrees minimum number of parts, which may be with relation to the intermediate blade, l extended as a straight edge or folded and utilize a protractor 8, which is riveted at 9 adjusted for use as a square, or as an angle to the intermediate blade, and is also secured or miter-square. By the utilization of the to said blade by the screw 4 and its nut 6.

subject matter ot my invention as physically rlhe protractor is rigid with the intermediate 75 embodied, the amateur who is unfamiliar blade, and the end blade 2, which is pivoted with the uses of the usual steel square, may on the screw 4 at the center or" the prowith accuracy and convenience lay oil work. tractor, may be utilized to mark oil angles find the compactly folded device provides as desired. Because of the limited space l a pocket tool wl ich may be carried with have pinposely omitted from the protrac'tor 80 convenience, and be substituted `for various the angle figures, but it will be understood tools now in use. that any well known type oi protractor may ln the accompanying drawings l have be used and rigidly secured to the internisillustrated one complete example of the diate blade as shown.

3@ physical embodiment of my invention in- @n the end section 3, l preferably use a de- S5 cluding, in addition to the spirit level and tachable spirit level lO, which extends longisight level, a protractor, in which the parts tudinally ot the blade section and is providare combined and arranged according to the ed with end caps or uns il fashioned with best mode l have thus 'lar devised for the perforated ears l2 extending outwardly practical application of theprinciples of my therefrom. it one end of the spiritlevel 90 invention. the pivot screw 5 and thumb nut 7 are used Figure l is a plan view or" the entire deto retain the spirit level, while at the other vice embodying my invention, the end blades end oi' the level a complementary screw 13 being turned up at right angles or perpenand nut le are employed. The spirit level e@ dicular to the intermediate blade, for conlits neatly in its end caps with suflicient fricvenience of illustration. tion to retain it in adjusted position, but its Figure 2 is an edge view of Fig. l. fit is loose enough to permit turning orn the Figure 3 is a sectional view taken on line level within its end caps, so that, when not 3-3 of Fig. l. in use, as in Figure ll, the glass may be l 15 Figure 4 is a diagrammatic view, in miniaturned around toward the blade section 3, for

ture, showing the tool extended as a straight protection.

edge. @n the end section or blade 2 I provide a lin the preferred form of the invention, the sighting device for use in leveling and deterblade sections l, 2, and 3 are preferably oi mining angles with reasonable accuracy, at

steel, with scale markings thereon, in this, various distances. rlhe sighting device cominstance, showing inches and divisions thereprises two spaced sights l5 and 16, the toroi', but it will be understood that the scales mer being used as the front sight and the or markings may be varied, and different latter as the rear sight, and the sight openarrangements may be made on the several ing 17 in the iront sight is preferably larger lade sections, as desired, and l do not therethan the sight opening 18 in the rear sight Il@ f piece, for convenience in sighting. Each of the sight pieces comp ises a dat disk or plate 19 With the sight opening therein, and the front sight disk has a Wire 15 across its opening to he used as a cross Wire in centering the sight openings. The flat plates are each fashioned with a bracket arm 20, angu lar in shape and the `oraclietarm is provided with an interiorly threaded sleeve 2l Jor the reception of the clamp screw 22. ln the drawings it will readi y be seen that the tivo sight openings are aiined, the piates being attached at spaced distance along the edge of the end blade section 2. By means oi' the screws 22 these sight pieces are rigidly attached tothe end section 2, the screws passing through holes or openings in the blade section for that purpose. n

From the above description taken in connection With my drawings it will be apparent that l have provided a combination tool `Patent is The combination with an intermediate blade section and pivoted end sections one of said sections having a threaded opening, o1 a pair of sight pieces with sight openings, said pie es each comprising a disk and an; attaching bracket and a clamp screw in said bracket engaging said threaded opening i the end section.

ANTHUNY GEGRGE.

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