US900896A - Scale. - Google Patents

Description

W. G. TEMPLETON. SCALE.

APPLICATION FILED DEG. 16,1907.

2 SHEETS-SHEET l.

mm. ease:

W. G. TEMPLETON.

SCALE.

APPLIOATION FILED DEO.16,1907.

Patented Oct. 13,1908.

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j ufnm 31m W/zm gig/WWW mwmw WILLIAM G. TEMPLETON, OF COLORADO SPRINGS, COLORADO.

SCALE.

Specification of Letters Patent.

Patented Oct. 18, 1908.

Application filed December 16, 1907. Serial No. 406,700.-

To all whom it may concern:

Be it known that I, WILLIAM G. TEMPLE- TON, a citizen of the United States, residing at Colorado Springs, in the county of El Paso and State of Colorado, have invented a new and useful Scale, of which the following is a specification.

The invention relates to weighing scales of that type wherein a'swinging sector or its equivalent is employed and which may be provided with price or calculating indications or designations, and the object in view is to simplify the construction of devices of this kind to permit of manufacture at a comparatively small cost, while preserving the elements of accuracy and prompt oise or rest of the parts, means being emp oyed to avoid vibration from one side to the other of the plane of balance or rest.

lVith these and other objects in view, the invention consists in certain novel features of construction and arrangement of parts, hereinafter fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims, it being understood that various changes in the form, proportions, size and minor details of the structure may be made without departing from the spirit or sacrificing any of the advantages of the invention.

In the accompanying drawings :Figure 1 is a view of a scale embodying the construction forming the subject matter ofthe present invention. Fig. 2 is a vertical sectional view of the same. Figs. 3 and 4 are, respectively, transverse and longitudinal sectional views in detail, showing the knife edge and V-support of the load carrier. Fig. 5 is a detail sectional view of the dash pot.

Similar numerals of reference are employed to indicate corresponding parts throughout the several figures of the drawm s.

n the construction illustrated, the frame or hollow standard 10 consisting of a metallic plate or strap arranged to form an inverted stirrup 11 at its upper end, and being open otherwise at its front and sides, is supported by means of braces 12 from a base 13 which may be provided, as shown, with beveled screws 14. Fixed in registering openings 15 in the front and rear sides of the above mentioned inverted stirrup is a knife edge bearing 16 having tongues 17 fitted in said openings, and mounted upon said knife edge is a drum 18, having a V-opening 19 to receive the knife edge.

The bearing or sup orting edge of the knife is preferably of a ength corresponding with the drum, as indicated clearly in Fig. 4, and between said bearing edge and the tongues 17 the knife is cut away as shown at 20 to form the tapered ears 21 which are reduced to points at the edge of the knife for contact with preferably metallic washers or cap plates 22, so as to reduce to the minimum any resistance to the vibration or oscillatory movement of the driim by reason of endwise displacement thereof on the knife edge, said washers or cap plates being extended inward to overhang the V cavity in the drum. Attached to the drum, and preferably formed as an extension of one of the washers or cap plates, is the sector shaped disk or dial 23, bearing the graduations which, in the movement of the dial, pass under an indicator wire or rod 24 held by the frame.

The load carrier consists of a pan 25 supported by a loop 26, which is supported by means of a hook 27 upon a ribbon 28, which encircles a portion of, and is attached at 29, to the drum. The tendency of the load carrier to turn the drum is counter-acted by a counter-balance weight 30, which is supported by one or more, but preferably two, flexible cords 31, or the equivalent thereof, which pass over the drum in the opposite direction to the ribbon 28, and are, also, attached thereto. To neutralize any tendency of the upper end of the hanger 26 to 'swing outward or forward at its upper end,

a guy runner 32 extends from the uppermost point of the hanger obl'quely or spirally around the drum, and is attached to the latter.

Beneath the an of the load carrier is arranged an equa izing device consisting of a frame 33 pivotally connected with the load carrier at its outer end, and with the'frame or standard braces 12 at its rear end.

To eliminate the vibration of the'load carrier, a dash pot 34, as shown in detail in Fig. 5 is employed, the same consisting of a receptacle 35 for oil or similar liquid, in which operates a plunger 36 carried by a ca 37 w 1ich is connected to an arm 38 on the oad carrier, said plunger preferably being of cone shape open at its lower and larger end, and provided at its apex with a reduced vent 39, to permit the gradual escape or entrance of air during the Vertical movements of the plunger. The receptacle 35 may, as illustrated, be exteriorly threaded, and the upper reduced portion of the cap may be simi arly interiorly threaded to engage the same when the scale is not in use, or is being shifted.

I claim 1. In a scale, the combination with a supporting frame, of a knife edge bearing supported thereby, a drum having av engaging said knil'e edge, a load receiver flexibly connected with the drum, and counter-balancing devices for the load receiver also connected with the drum.

2. In a scale, the combination with a supporting frame, of a knife edge bearing, a drum having a terminally closed V engaging said knil'e edge, the extremities of the knife edge being reduced for contact with the boundary walls of the V, a load receiver, and countcrbalancing devices connected with the drum.

In a scale, the combination with a supporting frame, of a knife edge bearing, a drum having a V engaging the knife edge bearing, terminal washers or cap plates closbeing terminally reduced for contact with the washers or cap plates, a load receiver,-

and counter-balancing devices connected with the drum.

4. In a scale, the combination with a supporting frame, of a knife edge having terminal tongues engaging openings in the frame, and having its bearing edge reduced terminally to points, a drum having a V en gaging the knife edge, said V being terminally closed, a load receiver, and counter-balancing devices connected with the drum.

5. In a scale, the combination with a supporting frame, a drum, and a load receiver having llexible connection with the drum, ol a guy connected with the load receiver below the plane of the drum and obliquely or spirally coiled upon said drum.

In testimony that I claim the foregoing as my own, I have hereto aliixed my signature in the presence of two witnesses.

WVILLIAM G. 'lTEMPLEilON.

Witnesses Jiis. M. WALKER, M. 0. R031.

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