US2343921A - Staple remover - Google Patents

Description

C. E. NYBERG STAPLE REMOVER March 14, 1944.

Filed March 8, 1941 2 Sheets-Sheet 1 I H lll' i March 14, 1944. c. E. NYBERG 2,343,921

` 4SIAPLE REMOVER Filed March 8, 1941 2 Sheets-Sheet 2 :58 @iluminan f- 6W5' en m Patented Mar. 14, 1944 l UNITED STAT STAPLE REMOVER Curt E. Nyberg, Chicago, lll., assignor to Metal v Specialties Manufacturing Co., Chicago, Ill., a

corporation of lIllinois Application March s, 1941, serial No. 382,313 14 claims. (c1. 254-28) This invention relates to a staple remover-' An object of the invention is to provide a staple remover operating on a different principle from those heretofore used and producing extremely advantageous results. A further object is to vprovide staple removing apparatus of extremely sim- I ple and-inexpensive construction which Will l effectively remove fstaplesfrom paper or other objects,' enabling the staples to be torn quickly away from the paper, or, if desired, to be removed one by one while in engagement with the .plan view; Fig. 3, a bottom'plan View; Fig. 4, a

longitudinal sectional View, the sectionbeing taken as @indicated-fat line ll of Fig. v3; Fig. 5, a top plan ,view showing they jaws of thel remover brought into engagement with the bridge of -a staple, the legs Vof which Ahave been passed through paperand clenched; Fig. 6, a view similarto Fig.'5 but showing the spreading action of the ljaws'in removing the staple; Fig. '7, a transversesectional view, the -section being taken as indicated at line 1 ofjFig. 5';"Fig.f8,` a transverse-sectional view', thesection being taken as,y indicated-'at line 8 of Fig. 6; Fig. 9, a view similar `to Figi-i1 v'but showing a modil'lediorm of the-invention; Fig. l0?, atop' v plan-.view ofthe modie'dlform of staple remover; Fig. 1l, a bottom'planview of the structure-shown in Fig. 10; Fig. 12, a transverse sectional view,v the section being taken as indicated at line' I2 of Fig. 10; Fig. 13, a side elevational view Vof a modilied form of staple remover; Fig. .14;1 a plan view of the structure shown in Fig. 13;1F ig. 15, a view similar to Fig. 14 but showing theplate'or coverr removed; Fig. 16, a bottom plan view of the structure shown in' Fig. 14; Fig. 17, a transverse sectional view, -the'section being taken as indicated at line l'l of! Fig. 14; Fig.` 18, a longitudinal Vsectional View, the sectionV being taken as indicated at line I8; of Fig. 14; and Fig. 19, afperspective view ofthe part forming the pivot strucy ture employed in the modication `showniin Fig.

In the illustration given in Figs. l to 8 inclu-i sive, A designates one of thel main operating members; and B, the other. Each of the operating members is provided with a side wall Ill which at the rear is curved slightly outwardly to form a handle I I. In the illustration given, each oi the side Walls Ill is provided with slots through which the ends of a name plate or other decorative deviceV I2 are inserted and clenched. Formed integrally with each of the side walls I0 isa top plate member'l3 which toward the forward end oi each device extends inwardly and is provided with a downwardly-turned hinge plate I4. Each of the hinge plates is provided with a pair of verticallyspaced openings, each adapted to receive a portion of a hinge ball I5.

The side Walls I0 of each member are curved at their forward ends I6 and form together substantially a semi-circle. Each of the members has integrally formed with the forward portion I6, a spreader jaw or lever Il. Each of the levers I'I has a convex inner surface I8 and a concave outer edge I9. If desired, the jaws-Il may be tapered along their top surface downwardly toward the point, asindicated by the numeral Ila, thus facilitating the insertion of the jaws below the bridge of the staple. The convex surfaces formed by cutting away the inner portionofgeach jaw produces a horn-.like point adapted to be easily inserted below the bridge o f a staple while the concave side I9 enables the jaw, when spread, to grip the bridge and prevent it from slipping off the forward end of the jaw.

The two balls I5 are held in close engagement with the hinge plates I4 by means of a substan- 'tiallycircular split spring 20, the free ends ofv which extend beyond vthe'forward portion of thev balls I5.r

- It will be noted that the jaws II are extremely thin in the vertical plane and thusmaybe readily inserted below the bridge of the staple. It will also be noted that the bottom of each jaw I'I is inalignment with the bottom 'of the side walll Il), thus enabling the jaw to be accurately positioned below the bridge and brought under the bridge without digging into the paper or other object to which the staple is attached.

In the operation of the device, the remover .is placed upon the paper or other device 'to which the staple is attached, with the lower edge of the side walls I0 resting thereon. The device is then moved forwardly to bring the jaws Il under the bridge 2i of the staple. In the illustration given, particularly in Figs. 5 to 8 inclusive, the staple has its legs 22 thrust through three sheets of paper 23,'the legs being clenched onthe bottom side. The jaws I'l are normally. heldin contiguous position through the force of the spring 2U, as shown in Figs. 2, 3, 5 and 7. After the jaws have been brought under the bridge of the staple,

`as illustrated in Fig. 5, the handle members Il through the openings in the paper without anyr substantial tearing of the paper. If desired, the spreading movement of the Yjaw-smayfbe. operated quickly so as to spring the fastener or staple into the air, thus quickly freeing the paper of the staple. If it is desired to operate the device -very slowly, the staple may be removed while Still in.`

cover is provided with a downwardly extendingV integral post 44 which is'received within a socket or opening 45 in one of the members 33. By this y means, the cover is locked securely to one of the members .33-` and moves therewith.

In-the operation of the modification shown in Figs. 13 to 19 inclusive, the parts are readily Y `assembled with the. roller 39 confined within the engagement with the jaws and lifted by means of the jaws to a depository: for thefstaples; When the device is operated quickly, the staples y in the air immediately upon the operationfof' the handles. Y v

Referring to the modication shown in. Figs. 9, 10, 11 and 12,l it rwill Ibegnoted` that th'e sidewalls 24 `are relatively low andi are providedat their rear ends withv forwardly-turned v and enlarged thumb and nger handles 2'5. V"These handles'are preferably inwardlyldished for convenience in eperating them with theethu'mband lindex `finger .of

the hand. Thefoiwardlends of thesidewalls 24.v

are concave, asindicatedfatfZE; and'eachis provided with a jaw 21 substantially-.identicalvwith the jaws H already described.l Each ofthe side walls 24 has integrallyformedl therewith a top wall -28, the=top1wallfof one .of-the. members bejingffturned downwardly at? 29.-and brought` into Yoverlapping."relationv with-th'etopl wall of the other member. A hinge. rivet 3'securesV thetwo members in pivotal fre-lation.- A semicircular spring. 3l is housed within the side walls of the members and'hasoneend secured to onefof the sidemembers by means of arivet 32. Y

The-operation of the modiiied structure shown in Figs. 9-to 121 inclusiveI isi substantially'the samel as--that offthestructure shown inFigs. 1 tov Sli-inclusive. .The sidewalls 24 are laid vfiat uponl the-papeifstrip and the-thumb. and index linger brought into engagement with the opposite handles 25. The'device ismoved forwardly to bring the jaws Il unde'r the bridge 27|l ofV the staple and then are spread llaterally by inward movement of the handles.thusistraighteningfthe legs andpullingthem through'theopening inf-the: material to which they-areatf f paper or other tached.- y

openings 38 by the spring collar 4U. The spring urges the jaw members 35 toward each other, as illustrated in Figs..15 and` 16. Whenv the handles 33 are pressedftowardeach other, the plates 34 swing uponthe pivot roller 39 and cause the jaws 35-to` widen or.separateabruptly'. Even .by the time that;the handle members 33 become substantially parallel with eachother, the jaw mem-y bers 3 5are quite widely separated. The expand.- ing operationl of the jaws caused by pressing' the handles toward; each other result in removing the staple from, itsA clenched position "Within paper sheets.. etc.V y

The coveigdzfmay b ereadily removed to expose the working; parts bynxerelyY inserting a sharp instrument thereunder and ,lifting the cover vertically. The Vcover may; be inserted in place by merely inserting the post within, the socket v415 and` bringing the coveredges within the rim43 course, that the plates may have. extensionsv re-v ceivedwith-in socket portions providedbythe r members 33 telincrease` the interlocking engagement therewitl-i, if desired. ,i

The parts'mayrbe-readily separated by'removing` the cover plate-42. and the springV collar 40. After repair, the'` parts may beA again assembled asheretofore described. Y j While-,I have describedindetailthree modi cations illustrating, the invention, it will beunderstood-tllrtl ythe i invention-may be incorporated The apparatusi's! extremely simple and isquick Y and effective in operation.- Staples lare removed readily .without any substantial tearing of the paperV and, i-f desired, may' 'be removed slowly while still held upon the jaws of the stapler.V n

Because -of 'the lateralmovemennthe stapler adapted to remove all sizes* o-f staples.

In theV modified `forn'rol structure shown in Figs. 13 to 19 inclusive, I employ two handle meme bers'33 formed of molded composition material or other suitablematerial: To privotally connect the handle 'mem-bers 33,` I preferably equip each of themwith a platestructure 34 such asis illustrated more clearly; in Fig.-19; Each plate. 34V is inl` a greatvarietyof modications which will be obvious,-.tojtho'se skilledin Ythe art after the vpresent,"invention is disclosed. It `will be understood-that such Vmodifications may be; employed andpthatswide variationszpmay bef made` in the details; described without departing `from the spirit of `myinvention.

Irrclaim.: A v Y 1'. A- staple remover comprising a pair of members, having side. walls andi inwardly-,extending top walls, saidtop wallsl being extended downwardly;- on their-inner sides to form hinged flangesssaid hinged anges' being provided with openings adapted to receive at least one ball',v spring means' holdingqsaid flanges; together, said members having4 theirorward portions extended toformqspreader jaws: andfportio'ns extending an integralupwardly extending flange 37 provided with a Vrectangular slot 35. The slot is rearwardly-ofsaid ball'to'formfhandles.

- 2;-Astaple removercomprising. a pair' of members having depending side flanges curved at their forward `ends .and .dependinginner ilanges provided with a pair of vertically-spaced apertures, balls in said apertures, and a split spring tom of said rnembersand being adapted .to bespread apart as said handles are pressed 'inwardly.

3. A'staplefremover comprisingapair of memn bers having rearwardly diverging'handle portions,- a pair of plates secured, 'one to each of said members, and having forwardlyextending jaw members, each of said plates being provided with an upwardly extending ange having a slot therein, a roller member received within a slot of each plate, and a spring collar inclosing said roller and confining said flanges about said roller so as to urge said jaw members toward each other.

4. A staple remover comprising a pair of members having diverging handle portions, plates carried by said members, and providing forwardly extending jaw portions, said plates having integral upwardly extending portions provided with a roller receiving socket, a roller within said socket provided by said plates, and spring means confining said roller within said socket and urging said jaw members toward each other.

5. A staple remover comprising a pair of molded handle members having pivot portions secured together in pivotal relation, plates secured to said pivot portions and having integrally formed and forwardly extending jaws, said plates also having upwardly extending flanges provided with opposite rectangular sockets, a roller member snugly received within said sockets and providing pivot for said handle members, a split collar confining said roller within said socket and urging said jaws together, and a cover member releasably secured to at least one of said members and housing said pivot.

6. A staple remover comprising a pair of members having handle portions and pivot portions,

plates carried by said pivot portions and providing vertically slotted flanges, pivot means carried within said slots, a spring member confining said pivot means within said slot, at least one of said members being provided with a socket, and a cover member extending over said pivot means and provided with a post member releasably received within said socket.

7. A staple remover comprising a pair of comi and spring means normally urging said spreader jaws together, said spreader jaws having thin portions adapted to extend below the bridge of a staple, each of the jaws having an arcuate concave surface on the outer side thereof extending rearwardly from the forward end of the jaw for a distance materially greater than the diameter of the staple and adapted to engage the legs of the staple when the handles are pressed inwardly whereby the jaws, when urged outwardly against the ystaple legs, move forwardlyl with respect to the staple. l' y 9. A staple remover comprisingI a pair-of members pivotally connected at an intermediate portion, the rear portion of said members providing handles, and the forwardly-extending frnt portions providing spreader jaws,` each of fthe'l jaws having an arcuate concave surface on theouter sidethereof extending rearwardly from the 'for-I ward end of (the jaw "for a distance materially greater than the diameterY of the staple 'and adaptedvto engage the legs of a staplewhenthe jaws are inserted beneaththe'brid'ge of t'hestaple and the handles are pressed inwardly whereby the jaws, when urged outwardly against the staple legs, move forwardly with respect to the staple.

10. A staple remover comprising a pair of members pivotally connected at an intermediate portion, the rear portion of said members providing handles, and the forwardly-extending front portions providing spreader jaws adapted to be inserted beneath the bridge of a staple, each of the jaws having an arcuate concave surface extending rearwardly from the forward end thereof along a substantial portion of the outer side of the jaw, said surface being adapted to engage the legs of the staple when the jaws are inserted beneath the bridge of the staple and the jaws are spread outwardly whereby the jaws, when urged outwardly against the staple legs, move forwardly with respect to the staple.

11. A staple remover comprising a pair of operating members pivotally connected at an intermediate portion thereof, the rear portion of said members providing handles, spreader jaws on said members extending forwardly from the pivotal connection and adapted to be inserted beneath the bridge of a staple, the outer sides of the jaws being adapted to engage the legs of the staple when the jaws are spread outwardly, said outer sides of the jaws extending rearwardly and inwardly from the forward end thereof when the jaws are spread outwardly and in position engaging the legs of the staple whereby in operation the jaws, when urged outwardly against the staple legs, move forwardly with respect to the staple.

12. A staple remover comprising a pair of operating members pivotally connected at an intermediate portion thereof, the rear portion of said members providing handles, spreader jaws on said members extending forwardly from the pivotal connection and adapted to be inserted beneath the bridge of a staple, and spring means normally urging said spreader jaws toward each other, the outer sides of the jaws being adapted to engage the legs of the staple when the handles are pressed inwardly to spread the jaws outwardly, each of the jaws having an arcuate concave surface extending rearwardly and inwardly along a substantial portion of the outer sides of the jaw from the forward end thereof when the jaws are in position engaging the legs of the staple, whereby in operation the jaws, when urged outwardly against the staple legs, move forwardly with respect to the staple.

13. A staple remover comprising a pair of members pivotally connected at an intermediate portion thereof and having rearwardly-extending handles and forwardly-extending pointed spreader jaws, spring means normally urging said spreader jaws toward each other, said jaws having thin portions at the forward end thereof adapted to extend beneath the bridge of a staple in a flat supporting surface, a flat surface on the areinengagernent with s aidtsupporting4 surfaces. Y

, 14.l A staple remover comprising-a pair of members having7 top overlapping walls and s ide Walls substantially right angularly`disposedY with, respect to said topwalls, a pivot extending through said overlapping top walls at an intermediate portion of each of the members and connecting the same, the side wallsbeing spaced/outwardly of said pvot on .opposite sides 'thereof and ex-L tending rearwardly to provide handles and for-` wardly to4 provide spreader jaws, said jaws having r thin pointed portions at. the forward ends thereof adapted to. extendvbeneaththe brdgeof a staple in 4a dat lsupporting; surface, .a Hat surface on the bottom of the forward' end of the thin portion of each of said jaws, and flat surfaces on the bottom of the 'rear of the handle `portion of eachk oi said side Walls, saidA fiat surlfaces'being in substantial alignment. f

CURT E. NYBERG.

Images