US1245628A - Spring-terminal for binding-posts. - Google Patents

Description

c. H; SMITH.

SPRING TERMlNAL FOR BINDING POSTS.

i APPUCATION FILED DEC.25. l9l2.

1,245,628. Patented Nov. 6.1917;

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"35 with the device at normzil;

UNITED STATES PATENT OFFICE.

' onmns II. sIvIITII, or CHICAGO, ILLINOIS, Assmnon To xnrmooa swncmun 41m SUPPLY COMPANY, or cmcnoo, ILLINOIS, A CORPORATION or ILLmoIl.

SPRING-TERMINAL FOE IBINDING-PQSTB.

Specification 01 Letters Patent. r Patented NOV, 6, 1917- Application filed December 26, 1012. Serial in). 738,587.

To all whom it may concern:

Be it known that I, CI-IARIJJS H. SMITH, a citizen of the United States of America, residing in Chicago, county of Cook, and State of Illinois, have invented certain new and useful improvements in Spring-Terminals for Binding-Posts, of which the following is a specification.

My invention relates to binding posts and to do more particularly with devices of this character which are actuated by spring tension to yieldingly hold a conductor. My invention is directed more particularly to devices of the above character in which means are provided to hold the cooperating clamping members but of holding relation,

an object of my invention being to provide such a device which is simple of constructIon and cheap to manufacture.

In the accompanying drawing I have illustrated a preferred form of my invention. with several views relating to the same de- 5 a left side elevation of Fig. 1

showing the clamping sleeve in section and Fig. 6 iso View similar to Fig. 5 but with. clamping sleeve held out of. clamping rela.

tion with the body portion; and

Fig. 7 shows the device with its parts in clamping relation and with a, conductor held the. eby.-

The particuhir embodiment of my invention as herein illustrated comprises :1 body portion A, a clamping member B suitably connected and acting under the influence of aspringq. Thebody member-uh, comprises a central, portion 1' prelerzibly hexagonal shaped and having a fastening stud 2 adapted 10 exteml through the devieeto which to the post is to be attached and clamped by means of e. l as shown in Fig. 7; supporting s extends from the body portion 1, amlh sin hole 5 adapted to re- (E'eive "a. conductor/j The sleeve or clamping .n'lember B is slidi'ngly fi PP the u 4 and has a locking means referably 'in the form of an annular shoul er 6 formed by cutting an annular groove inside'the'sleeve.

A. helical spring member 7 is positioned indo of the sleeve B and encircles the stu,d

4. A washer .8 is staked upon the end-of stud 4 after the spring 7 isinserted in'the sleeve B, seid sprmg 7 being under a normal tension while su ported between the shoulder 9 andithe was er 8 as illustrated in fig. ..i. stop 8 extends from the washer 8 and with An annular locking projection-orv the clamping sleeve at normal as in Figs.

1 and 5, snid stop 8 rests inn slot 10- cut through it portion of the wall of sleeve B. With the device in posit on as shown in Fig- 5, a rotation of elem ing mem B is ot permitted, but mem er B may be mov d longitudinally upon the studso as to rmit the insertion of a conductor into the ole 5.

A V-sha ed groove 11i's cut intothe clampmg sur ace of sleeve B 'so as to secure a greater holding-surface upon'the conductor at times. I

In devices of the-present character it is d w slrable to use a spring of considerable ten- .sion' seas to securely hold the conductor,- and due to the smallness of the device it is not convenient for the o era-cor to hold 'the clamping member out o clumping relation with the bod against the spring tension with one ban and the attemptto insert the ecnducme'wi'th the other-b nd. espeeiully if thebindingpost is "placed in an inconvenient positlmn Therefore, have orfranged"cooperating-holding means on the clamping and body portions arranged so as to perrnlt movin the cluinpin member out of clamping inliition. and; ho ding it thus until "the operator desires to release it. To this end my invention is directed", and due to the coiiperutionbetween th'e'lat'erul pro je :tion 8 and the shoulder 6 of the clam I ing member B, said clamping member l3 may be pulled upwardly on the stud from. its normal position of Fig'bfi to its position as illustrated in Fig.6. Then a slight .t'urn of the member B takes slot 10 away from stop 8 and brings said. stopif8 intohold- W I ingrelation. with the shoulderifi. Therefore,

fwhen the Operator releases hi s'holdfuponthe clamping member-ll" it remains in the position shown in Fig. 6. After the conductor has been inserted into the opening 5, by rotating the member B, the slot. 10 upon corning'bppdsi' the 'projcc'tionR allows the '--=ownwb,;rd yieldin" 1y ,lm z-ibin the :bindingposts By 1; e term catch? int hc appendcd claims I -c0ntemp1atc any means which the. movabl m mb r s min tiund ld o (if 161i zigemerit with 'e "Stationary member: Whll I h ve 1 fi l ilfiflill-gll yL IY I QD, in a preferred embodiment, I am aware that miychimgcs'; .ljujid fmridificaticns thereof are limited .tii the cx'actn struc- =b9ingfi ccnst Juli nsztcmpcrmit locking eve mcmber (in; of QIHYIIDIIIg relatlon ling post: 1 Including" a staiargil mlfl givfl elafi ively j movable r. iavin'g; coiiperating clamping limit ninims ftcnrling to effect :unpingmiipcratiomsaigl mcmbersbeu, structcrl and cofiptsrating in-suchu hold the movnbl -mcrnber but ClnmI g rclatimrwith' the stationar tlon I ma p tno hpr nja i li- L .gs id 1 d, chipping, m m e ciicb having noiimrnting nnrfnnvs for yieldlngly holding a comlnclm, inn] :1 IJIUJPUUOH (mi-11ml by said-sn|') mrting-nwmlmr for 00- uperutiaon. with. im annnliir 'runi'v in Sillll clnnlping invmbvr \\'li(-=r('-by \vlwn sn il i'lan'ipingmmnlbcr inmm 'ml ut nl' clamping rubitlQHvWltll'Sllk l supporting member nml is m tilted it is held null (if clumping origrngvlnvnl; ...w,i tli said snppmgting Inmnbvr. v

' 6. A spring'b'ifliling post inrlmling; :1 Stationary' ml-in'i'l-pur and a I'Hlilbl\' (ly IHO VHlIlG IlllilllJP-l' OlICll Of1;ill(l members lmving a or opcrguling clamping; sin-fare lnr lmliling' :1 conductor, resilir-nt nmnnn tending to vlfcct such clamping (eniifwratimi and a. member carried by Sill(l Stationary inmnl'nn for ()pel'fltlfili with Sillll movablemember w'lirernby said nmvnblc member may be ulglnqwzl uni;

nfplmn iing rub tim Witli said stationary member *nnilnr l'ensimr of s;1i (l resilient means. T I l 17; K rim-mfg binding pbs t inclnilii'ig relutiv0ly .movalglv- (alolimrills 1m ving (foiipomting clamping;surfaces, resilient mrizins tunding t0 -efl'ect.such clumping coiiperatiom means whereby said clei'ncnts may bQ-lllilflllfl l ly sepamt'ed,"ai1d a (catch for .llQlll in-snch position.

8. A spring? bin (1 i'ri g p 0st comprising a statiomi-ry element aml ll relatively, movable element .lm ving cniipemting clamping snrfaccs,

means tending in. *yieldinglye ffect'.,;such

clamping cniipcrg'ition, 5:1 i (l movable elqnentadapted to be, ma'nnall y moved out 0f cl.':imp'-- ingrclatficn with snirl stationary clement, and a w tch for holding sanl'movable elat n.5nqh position. 3 r

springbmdmg post including a body lampmg sleeve, arcnliralstud'exll a lifl'ical n-ing pnsitiqned inside of ing said members gaid l i ve ncnibinnrl 'encir'clinggaid sliud,

leave 51ml bo l y member.- having 'coiiperihgsnrfaccs adapted for holding f10 spring bind g postcomprising a "main-.I-Iwmbixg clamping member Slldflbly 'supportvd ovcn said mai member, 00617011;- ingmcuns fbr snidgrmpir and clamping members 'ud acptcd for hold ng a conductor, a

s'pring ax ing upon 's;

I a Hl'lfl 51nd clamping members furymllllngly inkling the said cond lator, and arcutgglr :iflaptcd to, hold said H 11. I" a l'rinding pos the c 0 mbinat i op w1l:h; a ;Sl-1d:tblg clam ping: elmcnt normally maintained in clamping :pbsition, of. a coopmting st atiomrry clamping element; and

"clamping mmnbcr mlbof clamping relation means for maintaining StLld- SlldfllllG, clemnt i n upon-clumping,pe sition against the norma} tendencyitheflrggfwj t:-v I v 'elamping elements supported thereby,

12. In a binding post, the combination with a stud, of movable and stationary a 111 secured to one ofsaid clamping elements t he other clamping element being formed with. a recess into which said pin projects to permit the two clampingelements to assume clamping position 1n contact with each other, and also formed with an abutting surface for engaging said pin when the movable clamping element is' separated from the other clamping element and rotated to bring the abutment into alinement With the pin, and a spring for normallv holding the two clamping members together in clamping position.

13. In a binding post, the combination with a stud, of movable and s ationary clamping elements supported thereby, a look ing pin secured to one of said clamping elements and adapted to engage "with the other of said elements, and a terminal clip having a locking recess adapted to fit over said pin,

whereby said terminal clip will be main tained against displacement,

14. 'In a binding post the combination with a stud, of movable and stetione clamping elements supported thereby, sai movable clamping element being provided with a recess, a roi'eetion secured to said ste tionary clamping e ement and adapted to BK. tend into the recess formed in the movable clamping element, whereby said movable ele: Inent may be prevented from turnin y when in clamping position andv maintained 1.11 11011 clamping position, when the said element is raised and moved so that the recess is o t f aiinement with said projection.

Signed In me at Chicago, in the county of Cook and tate of Illinois, mthe presence of two Witnesses. CHARLES H, SMITH, Witnesses:

G. E. MUELLER, B. OBnm w. I

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