US1753191A - Combination rule gauge - Google Patents

Combination rule gauge Download PDF

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Publication number
US1753191A
US1753191A US326366A US32636628A US1753191A US 1753191 A US1753191 A US 1753191A US 326366 A US326366 A US 326366A US 32636628 A US32636628 A US 32636628A US 1753191 A US1753191 A US 1753191A
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Prior art keywords
instrument
marking
edge
combination rule
gauge
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Expired - Lifetime
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US326366A
Inventor
Thomas L B Armstrong
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Thomas L B Armstrong
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Priority to US326366A priority Critical patent/US1753191A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Instruments as specified in the subgroups and characterised by the use of mechanical measuring means
    • G01B3/20Slide gauges

Description

April 8, 1930. T.l B. ARMSTRONG COMBINATION RULE GAUGE Filed Dec. 15, 1928 vwantoz A rms ron Patented pr. 8, 1930 rArNr THOMAS L. B. ARMSTRONG, or ron'ermnnrsrn, Nnw 4YORK COMBINATION anni; GAUGE Application filed December 15, 1928. Serial No. 326,366.
This invention relates to a combination rule gauge, such as is employed by carpenters, metal-workers, glass-cutters and paper hangers, for marking or cutting a parallel line 5 with the edge of the work, and it may also be-used as a caliper gauge if desired.
The object of the invention is to provide an instrument of this kind, that shall be compact, contain few parts and be durable and efficient.
Another object being to construct a marking gauge that shall be accurate, and capable of adjustment from zero to its full limits, and held in such adjusted position while in use.
With these and other objects in view, my invention consists in certain novel construction and combination of parts as will be fully described and claimed herewith and illustrated in the accompanying drawings, which form a part hereof and in which like figures of reference refer to corresponding partsrin all of the views, and it is to be fully understood that slight changes may be made in of the invention.
In the drawings:
Figure 1 is a front view of the instrument in a closed position.
Figure 2 is a similar view, but showing the instrument set to seven-eighths of an inch', and showing its application to the marking of a board.
Figure 3 shows a top edge of the instrument in the position shown in Figure 2.
Figure 4 is an end view of the instrument.
Figure 5 is a partial view, showing the instrument with a knife blade for cutting.
Figure 6 is also a partial view showing the instrument arranged with a wheel, for marking or cutting glass.
Figure 7 is a cross sectional view taken on the line X-X of Figure 2, showing the construction.
Referring to the drawings, the instrument comprises a body portion 10, of suitable material such as metal, and formed at one end with the headed portion 11, and with a dovetailed groove 12 extending the entire length.
Within said dovetailed groove 12 is slidthe design without departing from the spiritv `ably mounted an arm 13 which isprovided with' suitable graduations 14, and upon the outer end of this arm 13, is vdetachably mounted a member 15, by the screw 16 or other suitable means, and to the upper end of said member 15 is secured byY a screw 17 the end of a rod 18, while the body of said rod 18 is provided with a slot 19.
The rod 18 is approximately of the same width as the thickness of the body 10, and is held in placel upon the edge of said body 10, by a guide pin 20 secured to said body 10 and extending into the groove or slot 19, whileVV for retaining the rod` 18 in an adjusted position there is provided a thumb nut 21 threaded on a stud 22 secured in the upper edge of the body 10, so that by tightening the nut 21 the rod 18 will be locked in place.
The member 15 as shown in Figures 1, 2,
u n v PV 3V and 4, of the drawings, 1s formed with a chuck operated in the usual manner by the knurled cap 23 to hold either a pin point or a lead 24 for marking on wood or metal as shown 1n Fifrure 2, where a board 82 1s 1nn dicated. l
ln Figure 5, an interchangeable member 25 is shown, which is formed with a slot witl in which is held a knife blade 26 by the pins 27, this being employed for cutting as in trimming the edge from wall paper or the like.
1n Figure 6, the member 28 may be slotted at 29 and provided with a wheel 30, used for the cutting of glass or like purposes.
In the operation of the device, the thumb nut 21 being loosened. the member 15 is moved outward until the required graduation 14` registers with the edge 31 of the body 10, and the nut 21 is then tightened.
The instrument is then placed with the edge of the hooked portion 11 against the edge of the work, and with the pencil resting upon the work, the instrument is moved along thus making a mark parallel to the edge of the work.
When the instrument is used as a caliper. the measurement is taken between the edge of the hooked portion 11 and the pin 24, and this measurement will be indicated by the graduations 14.
Having thus described my invention, What I claim as new and desire to secure by Letters Patent, is:
l. A combination rule gauge, comprising a body portion formed With a headed end and provided With a longitudinal groove in the body thereof, an arm slidably mounted in said groove, a marking member detachably secured to the end of said arm, a rod `secured to said marking member in a detachable manner and to said body portion in an adjustable manner, and means for locking the same in an adjusted position.
2. A combination instrument of the class lescribed, comprising a body or handle portion formed with a groove extending from end to end thereof, anarm slidably mounted Within said groove, and having indicating lines adapted to register with the end of said ody portion as said arm is moved Within said groove, a marking member detachably secured to said arm, said marking member adapted to hold various marking and cutting devices, a rod having one end secured go said marking member, said rod formed with a slot, and means for retaining said rod in sliding contact with said body portion.
In testimony whereof I affix my signature.
THOMAS L. B. ARWSTRGNG.
US326366A 1928-12-15 1928-12-15 Combination rule gauge Expired - Lifetime US1753191A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745948C (en) * 1937-05-26 1944-05-24 Heinz Werner Callipers for measuring and marking workpieces
US2498397A (en) * 1946-10-10 1950-02-21 Walter J Daly Tool for sheet metal workers
US2588658A (en) * 1948-06-23 1952-03-11 Plotnik Louis Metal scribing gauge
US2898682A (en) * 1958-04-02 1959-08-11 Robert E Lynch Vernier scribing tool
US3812748A (en) * 1972-10-17 1974-05-28 New Age Mirror And Tile Ind In Glass cutting device
US6604289B2 (en) * 1999-11-01 2003-08-12 Rusi I. Nikolov Universal measuring scriber

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745948C (en) * 1937-05-26 1944-05-24 Heinz Werner Callipers for measuring and marking workpieces
US2498397A (en) * 1946-10-10 1950-02-21 Walter J Daly Tool for sheet metal workers
US2588658A (en) * 1948-06-23 1952-03-11 Plotnik Louis Metal scribing gauge
US2898682A (en) * 1958-04-02 1959-08-11 Robert E Lynch Vernier scribing tool
US3812748A (en) * 1972-10-17 1974-05-28 New Age Mirror And Tile Ind In Glass cutting device
US6604289B2 (en) * 1999-11-01 2003-08-12 Rusi I. Nikolov Universal measuring scriber

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