US915718A - Balancing-machine. - Google Patents

Description

N. 0. BASSETT. muncmo MACHINE.

' ATPLIOATIOK FILED JULY 22, 1907.

Patented Mar. 16; 1909.

F .ISZ WIIQNESSES: m. d rmrsn TOR G ar y {I ATTORNEY. I

. UNITED STA'lES PATENT OFFICE.

NORMAN i. PASSETT. (ll MlLlVMl-KEE, WISCONSIN, ASSIGNOR TO ALLIS-(HALMERS MPAXY. OF .\lll.\\'.\lKl-)E. WlFf'OXSIN, A (ORPORATION OF NEW JERSEY.

BALANCING-MACHINE Specification of Letters Patent.

Patentd March 16, 1900.

Application filed July 22, 1907. Serial No. 384.845.

The cross member 2 is provided upon its 56 wer surface with knife edge bearings 6,

which are adapted to bear upon the oppositely disposed side members 71 and 72 of a Isupporting member 7. and preferably are 1 adapted to he received wit hin V-shaped de- 60 'pressious 73 and 74 in said member, and when seated therein it is preferred that. they turned with reference to an assumed axis of the body: and the purpose of this invention is to provide a simple and reliahle machine for quickly and easilj determining which side of a hodyirs the heavier with reference to the 5 axis of the hotly.

Reference is made to copending applica- 110]] Serial Number 353,033, filed Jan. it). 1907, disclosing and claiming hroadlv certain parts h'crcin disclosed. I

Referring to the drawings which accompany this specification and form a part thereof ant on which the same reference charactors are used to designate the same elements wherever they appear in each of theseveral views: Figure l illust rates in elevation at Illustrates an elevation of the machine taken at right angles to the view as shown hv Fig.

he prev nted from heing accidentally displaced endwise in said grooves by any suitahle mechanism. such as plates75 and 76, which are secured to said member 7 adjacent the uter ends of the grooves 73 and 74.

The exact construction illustrated for the purpose of )rercnt ing endwise movement; of

=, the knife et ges with respctt to the V-shaped 7 depressions is intended to he merely illustra tive. and any preferred etplivalent-form of construction can he adopted without deprting from the spirit of this invention, the purpose being to avoid a possible displacement o the 5 knife edges with reference to the memher 7,

alter the parts have heen properly assem- :hlcd without interfering with the normal ti'at: Fig. 1; illustrates a plan view f the} 35 f l-l ntcs a vertical y disposed shaft whi h is supported hy a cross m mhcr 2. and up n which is located a support It, which is adapted to rcccivothc l)od the halancc of which is to he determined. This support It is made 4 of a size to accommodate and support the different sized bodies the halance ol',\\hich it is desired to determine. and prefcrahl'vit is made as a separate lucmhcr which is placed up n the shaft l and may he secured thereto in any convenient or preferred manner.

as h the set screw -l. for example.

The shall I is prcl'crahly e\tended ahove the upper surface of the support It so that 5 mined. such as the pulley for example. may he placed upon the support It with the shaft l l cated within it hot-c. hv which the pulley is accurately centered without dilliunity with respect to the machine.

. t 1 partseonnected'therewith. a part f the machine hemg h w m sensitireness of the machine. The member 7 I I is also provided with knife edges and 79 80 machine emhoo vmg this invention; Fig. .2

which are adapted to rest upon cross lm-lS 8 and S). which serve to support the shaft and Those cross l)t\l3 are shown h the drawings as composed of I-heains which rest upon the walls of a tank 5 in and sup tort t-he shaft-l so that its lower part depends into the tank Hl.

"he I-heams H and .l are prefera-hlv pro- \ltlctl with hardened hearing blocks H and IL scoured thereto. which are provided with 9" V-shnpvd depres i ns adapted to receive the t knife edges TN and 7!! of the memher 7. and

retaining pit-(cs shown in Figs. l and 2 but not designated h reference characters as -th sc are similar to the retaining pieces 75 and T6 are provided for these hearing blocks.

though this must rnction is not as essential as it i with reference to the memher 7.

Secured to the lower end of the shaft, 1 is a weighted lloal lit which may he formed hy loo astiug it upon the end of the shaft 1 and I then turning tho external surface so that n is the hody the halance of which is to he deter 1 perfectly s v|unutrical, hein; either cylindrical for its entire length or for the greater part of its lengl h. and th n'iper open end of 10:- ihe lloat may he provided \\'llll a cover H- The numeral l5 designates a pipe provided \\ill\ a valve h which a fluid. such as water,

buoyant effect produced by the float 13, and

' the numeral 16 designates a pipe provided Cir with a valve by which the llnid or water-ma be withdrawn from the tnnkdt).

tion of t By referring to the drawings, it will be observed that the member '7, the knife edges of which are adapted to rest upon'the cross bars 8 and l), is also provided in a plane at rightangles with a plane pzissed through the. knife edges 78 and 79, with the V-she-ped depressions T3 and 74, and preferably the bottoms 2 ol these recesses are located in the same here I zontal ilane as the. edges of the knife edges SQUUIPL to the member 7. p

When the several parts are assembled as shown by Figs. and 2,it will be observed .that the shaft 1 nndsupport 3 are supported upon the cross bars 8 and 9 by a universal or gunbal hearing, by which arrangement any point in the periphery of the support 2'; is free to more up or down, and in consequence, it a pulley 5 be placed upon the support 3, and said pulle} has its eenter of mass or center of gravity located at the point indicated by the otter A, the right hand side of the support it, E

its shown by Fig. :2, will tip down more or less, den nding upon the weight of the pulley 5 and t e distance ol the point A from the axis of the shaft 1, and on the stability of the machine as afiect-ed by the presenee or absence of water in the tank It), and the hei ht. at which it stands therein, if present.

The sensitiveness of the mm-hine is intended to be controlled bv controlling the amount of water admitted to the tank 10. It is at present considered necessary that. some means be provided or some construelion be adopted to prevent. lengthwise displacement of the knife edges 6 in the V- shaped depressions 7?. and 7- such means being provided by the members 75 and 76 because such (lisp aeement would ehange the balance of the machine with respect to the knife edges 78 and 79. if, ll(l\\'t\"(-.l'. the knife edges 78 and 79 were to shift endn'ise upon their supports, the balance of the machine would not be attest-ed.

1 It will be seen that this machine all'ords a sensitive, simple and ellieieut apparatus for determining the. balance oi a body, the only operations which are neeessnry being tn '1) the body upon the support- 3, it being properly eent-erei with respect to the shaft and thesensitiveness of the apparatus being eontroiled by w'lm'itting water to r remow in; it from the r hit :0, the tipping of the ap aratus irr-redii-ttely indicating ,on whit-h side of the i? s or" the shaft the heavier porbe p for example, is ioeated \Yhe'r l r. n is.--

l. The combination with a reee pt nele 'udapted to (mil-dill a liquid, of :2 shaft provided with a W ght extended into said reeeptaele. said simit being provided at its upper end with it support adapted to receive the objert the balance of which is to be determined, a support, and a universal bearing so supporting seid shaft upon said support that Said shaft free to tip in any direction.

1-3. The eoinhination n ith a receptacle adapted to eon. ain liquid of a shaft provided with a weighted float extended into said reeeptaele, said :hnft being provided at its upper end with a. support adapted to receive the obieet the bilnme of whieh is to be determined, a swiporr, a member provided with alined knife edges resting by said knife edges upon said last mentioned support, and

a (fu s member se med to said shaft, said eriiss member being provided \Vltli nhned knife edges \Vlti-Ill rest upon said first rnentionezl member with its knife edges in sub stnntinll the same horizontal plane as the knife ed i tl l member but disposed subshmliallj' st. 1' ht angles thereto.

. 3. The eoinbinetion \iilh a receptacle :Nlnpl l to (umnttt a liquid, of a shaft provided with n ax'eig'hted llont extended into said rerepiae-ie, said shaft being provided at its upper end uith a support adapted to receive the objert tilt balanc ol n'hieh is to'be determiiwd. a support, a member provided with nlined knife edges resting by said knife edges upon said last mentioned support, a truss member seeured to said sbnit, said Cross member being prmided with :tlined knife edges n'iaieh rest upon said iirst menlivned m-nnhe'rw th its knife edges in substnttiinllj: the same horizontal plane as the knife i-i ,{e:=. of said member but disposed substantially :it right. angles thereto, and means to prevent the displaeeimmt ot Sttltl knife edges.

in testimony whereof, l allix my signal nre in the presenee of two witnesses.

NORMAN BASSE'IT.-

lit nessesi ii. i. (L ssh. l msx l']. Dress-Err.

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