US1043128A - Illuminated spirit-level. - Google Patents

Description

' GLA. MURPHY & M. W. REYNOLDS.

I ILLUMINATED SPIRIT LEVEL.

AIPPLIOATION FILED NOV. 13,1911.

1,043,128. j I Patented Nov. 5, 1912.

snow tow? CHARLES A. MURPHY MA/TK W fifYNOLDS Wad ai/wcw 7 ToaZZ whom it may. concerns 1- x 3 Be it known that We, CHARLES A; MURPHY and "MARK Barrows, citizensof the United States, residing at Oakland, in the have invented certain new' and useful Im provements. in Illuminated Spint-Levels,

ci-iannns A. Murmur -A'. I \TD mnnx w. nEYN'o ns, 0F oAKLAND, CALIFORNIA.

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- Specification of Letters Patent.

maneam. 5,1912.

- Application-flled meats; 13, 191 1. SerialNo. 639,898;

-. eounty of Alameda andstate of California,

of which the following is a specification.

This invention relates to spirit levels It the type which carpenters use and the principal object of the device is' to "provide an improved attachment which maybe ap lied by any one skilled inthe art 'to any, 0 the. ordinarywooden levels, the purpose of the attachment being to provide for the illumi'-' nation of the bubble in the' level vial whether the same be for the lplumb, or for the level pro er.= 1 ,I

With the a eve and other objectfi in View the invention consists of certain novel fea-v tures ofconst-ruction arid combinations of parts as will be hereinafter fully illustrated v in the accompanying drawings, described in the specification and spec the claim.

' In the accompanyingdrawings, like char acters of reference indicate like parts in-the several views, andzFigure 1 is a side elevation along the line 3-1-3, Fig.1. Fig.4 is a section along jthelineA-QA, Fig. 2. Fig, 5 isla section along the line 5+5, Fig. 2. Fig.

' theplate 10 are clips 15 for the reception of 1 Copies of this patent may be obtained for dis a view in elevation showing theattachfor a recess 11 formed in the level 1 2', the re-. cess having openings 13 leading therefrom to points adjacent the vials 14. Secured to 1G. Adjacent this battery there is abattery V a contact member 17 which 1s mmounted ifically' set forth in is'claimed as new, is;'

tion of thelevel. Fig. 2 is a fragmentary sectional view showing the illuminating means mounted 1n the level. Fig. 3 isa'sec-I tings soldered to said wires.

siilated fromdthe plate by insulation 18'.- -There is also provided' a-second contact :inember 19. The first of these contact inemhers engages one pole as at 20 ofthe battery while the second member engages the other pole-'21:," Mounted jin insulated casings-22' are, push buttons 23 of the ordinary type and attached to these push buttons arethe' ends of Wires 24. From each-pushv button a wire 25fruns .to and is soldered to a lamp 26."

From each lampra'wire 27 extends to one pole of the battery." The other wires 24 from th'e-push buttons are connected to the 'opposite poles of the battery. The lamps are located in the openings 13 so that when they push buttons are closed by pushing "thereon the circuit will be closedl through the, respective lamp according to the button ushed and the bubble-of the level vial'will I etherebyilluminated; v I I a There has thus been provided a simple and efficient device of the kind described and for thepur ose specified.

Having t usdesc'ribedithe invention, what An attachment for a level havin a recess in its side and openings leading t ierei'tromto "oints adjacent the level vials, said at tac ment comprising-acover'plate for said recess, battery clips carried thereby, battery contacts mounted on the plate, push buttons mounted on'saidplate, wlres connecting said push buttons and contacts, othenwires leadlng from said contacts and push buttons,

and lamps adapted to fit within said open- In testimony whereof we aflix our signas tures in' presence of two witnesses.

- cHARLEsA. MURPHY. I MAR-K W. REYNOLDS.

\Vitnesses: i

- F. P. Scnnonnnn, I

W. A. STOCK.

five cents each, by'eddr'essing the Commissioner at Patents,

Washington, D. Q."

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