Патент USA US2403496код для вставки
July Q» $1945» I c. B. BREEDLOVE . 2,403,496 COMBINED THREADED FASTENER AND ANCHOR NUT ' Filed Nov. 17, 1943 ‘ ‘ I 3 enter 09/4/5255 5. 5/762‘25; 0V6. (Ittomeg 2,403,496 Patented July 9, 1946 so STATES urn-cs CUMBIN'EB THREADED’FASTENER' AND") ' ANCHOR Charlesr?e Breedlova, Detroit,2 Mich; Application November 17, 1943-; Serial ‘No; 514L626’ 2_-Claims., (Cl-.j 8.5--—3:2)1 1; 2; ' will‘v become» apparent during the1 course: oil the following.’ description of: the accompanying drawing, wherein: The present‘: invention.‘ relates: to: improvements ini sel'felocking threaded fasteners; and morev particularly, to threaded’fast'enersof the: anchor nut type. The primaryobject: of‘ this, invention. is to Figure/1' is a cross-sectional view of‘ a; pre ferred embodiment.‘ of. the invention, illustrating. a selfi-lockingvthrea-dedi fastener having‘a single. wing; extension tor retaining the‘ nut in; placev provide a threaded fastener of the. above ment-ionedi- type- which- is i'economi'cal, toimanufv'ac and: forming a lock, washer for the threaded ture, easy ‘to assemble and‘ which‘ will securely fastener: fast'err various members ‘together. FigureZJis' a1 top p'lanview‘of the self-‘locking. Another object-of the invention is to‘ provide a M) threaded fastener showing the wing extension threaded fastener of the anchor nut type, in ‘prior to: the bending thereof into position as which theevar'i’ou-s-partswill'beheld in assembled shown‘: in Figure 1; . relation and compact form‘ and which will lend Figure 3; is across-sectional‘: view- of a modi?ed itself: readily to universal use in- various applications; 15 form of the invention illustrating?alself-loclring threaded fastener having a pair‘ of‘ oppositely disposed‘ wing extensions to form combined: look Another'ob'ject of the" invention is‘ to‘ provide a threadediastenerof the self-locking anchor nut typelinoluding a‘ polygona'hshaped shell‘ member i washers and’ nut retaining: members; Figure 4‘--iszavv top plan view:v of the‘ modi?cation having anchoring wing extensions arranged on opposite sides‘ of the shell member to facilitate‘ ‘7 shown in: Figure illustrating. the combined nut retaining memherS-andt lock washers. in their the attachment of the anchor‘ nut toa support extended position: and and‘ to’ provide other-‘wing extensions on the‘ shell Figure 51 is'a toprp’lan view of a further modi member which are bent inwardly’ to form nut ?edi'iorm of the invention, illustrating a: plur; retaining members as well as lock washers. ality'oi wing extensions formed‘ oni-the shell with Another object of the invention is to provi‘de'a alternate opposite wings being adapted to be threaded fastener‘ of ‘ the self-‘locking; anchoring nut type in which a friction washer isretain'ed' in, position adjacent‘ the top of the threaded‘iastener by a- conventional nut snugly ?tted‘ within the shell member and said nut is held against removal‘ ‘by means of" a' wing ' extension bent therebeneath so as to form another washer for engaging thesurfia'ce ofv a' support or‘ piece- of work"; Another‘ object ofth'e‘ invention is to» provide a - bent-inwardly to‘ form combined‘ lock'washers and nut; retaining members with the intermediate wing extensions: forming; anchor strips for attachment toe a suitablesupport. In. the drawing, wherein: for the purpose‘ of illustrating the invention attention is ?rst directe'di to Figures 1;. and 21,. there’ is shown a‘ preferred embodiment of“ the self-locking: nut having: a single combined? lockwasher and nut retailm-‘ir;~ Generally; the‘ threaded‘ fastener‘ comprises a shell member 51, a washer 6 an'd'a, nut 1 arranged threaded’ fastener of the above-mentioned type in‘ which the‘ frictionv‘washer' is adapted to; ‘be slightly expanded‘ when the threaded fastener is in’ a‘. unique and novel manner‘ to provide a tightened’ in place on abolt so-that said expansion will; cause the bolt to be ‘tightly gripped‘ and‘ held 40 threaded fasten'er'which willifrictionally‘ grip the threads. of the beltupon which it is placedv and against accidental‘ displacement. to provide a second lock washer to increase- the Another object" of'the invention is-to‘ Provide frictional“ resistance" against‘ removal of the a threaded‘ fastener of; the seHqocki-ng anchor fastener. nut type in? which. the shelI member is formed The shell member dis-of polygonali shape: and with angularlly- disposed wall? portions" adapted is» stamped to: provide relatively straightnwall . to form: a" cavity of" polygonal shape which will particles 857 angularly connected to provide‘ a mate with ‘the flats of ‘ the‘ nut- and 'to provide polygonal-shaped recess it The'end's; of'the shell the angul'a-rly'd'isposed wall" portions with wing extensions so bent andv shaped‘ as to provide a washer 'beneath‘thelnutwhich performs a two' fold' purpose- such: as- a' lock‘ washer and a re taining'member for the nut to hold the nut‘? from being dislodged before a'bo'lt is applied? to the threaded fastener. Otherv objects-land advantages of the invention - Eizare open and the upper endiisr?a'nged as at I'D 50 to’ provide an "inwardly" extending bead-ed’ portion terminating ina downwardly rolled‘ free edge H. The‘ inwardly extending, - ?ange t?' is. adaptedv to form- a1 seat for. aaithreadi-gripping Washer‘ 152 ?tted'withinnme shell? 5 inv the-cavity 9 thereof. The :nut '1' i'sxoff a general shape and contour‘ to 2,403,496 3 be received in the polygonal recess 1 of the shell member 5 so that the ?ats of said nut will fric tionally engage the straight wall portions 8 of the shell 5 and be thus held in position therein. ‘except that another diametrically opposed pair It is intended to form the shell 5 of such dimen ends to accommodate rivets for anchoring the threaded fastener to a support or piece of work. slons as to provide a snug ?t between the of straight wall portions 8 of the shell 5 is pro vided with wing extensions 25 and 26 having openings 21 and 28 respectively in their free straight wall portions 8 of the shell and the nut. The lock washer wing extensions l9 and 20 as in Figures 2 and 4 are folded from the position weight metal suchas ‘aluminum or alloys ‘thereof. shown‘in Figure~?5 to underlie the nut contained Formed integral with one of the ‘straight wall 10 in the shell 5. In the structure shown in Figure portions 8 of the shell 5 is a wing extension or ,5, the ‘assembled threaded fastener provides an tab I3 having a diameter equal to the smaller anchor nut of the self-locking type which can be diameter of the shell 5. A bolt-receiving open~ constructed from relatively thin gauge metal and ing 14 is formed in the wing extension I3 and “ which may be anchored in place in positions not the outer edge of said wing extension is rounded . readily accessible with fasteners of ordinary con to conform to the shape and general contour of struction. the threaded fastener. As shown in Figure 2, In all of the embodiments of the invention, the the wing extension or tab I3 is adapted to be lock, washer wing extensions retain the nut 1 in folded along the line l5 so‘ as to be bent beneath place and urge the same into engagement with the nut 1 as shown clearly in Figure 1, after the washer B which may be formed of a rela the nut has been ?tted intocthe shell 5 so that tively soft material or metalso as to force the its top edge engages and ?rmly presses against washer into tight engagement with the free edge the washer 6. ll of the inturned ?ange [0. The nut ‘I is provided with a threaded open It is to be understood that the forms of the ing I6 slightly smaller in diameter than the open 25 inventions herewith shown and described are to ing I4 in the washer extension or tab I3 and be taken as preferredembodiments of the same said threaded opening 16 is formed slightly greate and that. various changes in the size, shape and er in diameter than the opening I‘! in the washer arrangement of parts may be resorted to with 6. The washer tab l3 will aid in preventing out departing from the spirit of the invention rotation of the threaded fastener relative to a or the scope of the subjoined claims. support or piecev of work while the washer 6 What I claim is: ' . . will have threads impressed therein by a bolt l. A threaded fastener comprising a shell mem passing through the opening or bore I‘! so that ber having a polygonal cavity, an inwardly ex said impressed threads will frictionally grip the tending continuous annular ?ange at one end of threads of the bolt and further assist in pre 35 said shell member, a shelf-locking thread-grip venting rotation of said nut on the bolt. ping washer mounted in said shell seated against . In addition to forming a lock washer, the wash said ange, a nut snugly ?tted in said cavity, er tab [3 overlies the open end of the shell 5 combined lockwasher and. nut-retaining wing ex and is presented against the lower wall of the tensions formed integral with said shell member nut 5 so as to prevent accidental separation 40 and projecting from diametrically opposite walls of the shell and nut when the threaded fastener thereof adapted to underlie said nut with their is uncoupled from a bolt or the like. bolt-receiving openings in registry and arranged Attention now is directed to Figures 3 and 4 in overlapping relation whereby to receive a bolt wherein the structure shown is similar to that and prevent separation of said shell and nut when described in connection with Figures 1 and 2 the fastener is assembled on a bolt member, and except that there are two lock washer wing ex other wing extensions formed on said shell mem tensions I9 and 20 shown as being formed inte ber projecting from opposite sides thereof to pro gral with diametrically opposed straight wall vide anchor lug- members, said shell member be portions 8 of the polygonal shell 5. As in Figures ing of a size equal to the over all size of the nut 1 and 2, the wing extensions l9 and 20 are pro 50 and washer to con?ne and house said nut and vided with bolt-receiving openings 2| and 22 washer and to retain the bores of the nut and of substantially the same proportion as the bolt washer in axial alignment. receiving opening 14 and said wing extensions l9 2. A threaded fastener comprising a shell mem and 20 are adapted to be bent and folded beneath ber having a polygonal cavity, an inwardly ex the nut l on the fold lines 23 and 24 respectively tending continuous annular flange at one end of so as to underlie the nut and prevent separation said shell member, a self-locking thread-grip of the parts of the threaded fastener. As shown ping washer mounted in said shell seated against in Figure 3, the wing extension washers l9 and said flange, a nut snugly ?tted in said cavity, 20 are bentand' folded so that their openings 2| combined lock washer and nut-retaining wing and 22- are in registry and alignment so as to 60 extensions formed integral with said shell mem permit the passage of a bolt or the like there ber and projectingfrom diametrically opposite through. walls thereof adapted to underlie said nut with The wing extension washers are in engagement their bolt-receiving openings in registry and ar Also, the nut may be formed of a relatively light with the under surface of the nut 1 so as to be ' ranged in overlapping relation whereby to re positioned between the work and said nut. When 65 ceive a bolt and prevent‘ separation of said shell the threaded fastener is uncoupled from a bolt, and nut when the fastener is assembled on a the washer extension wings engage the bottom bolt member, and another wing extension formed surface of the nut and retain the same within on said shell member and projecting laterally the polygonal cavity 9 and prevent separation from one side thereof whereby to provide an of the nut and self-locking washer 6 from their TO anchor lug member, said shell member being of a respective positions in the polygonal shell 5. size equal to the overall size of the nut and washer In the further modi?ed form of the inven to con?ne and house said nut and washer and to tion shown in Figure 5, the shell 5, washer 6 retain the bores of the nut and washer in axial and nut ‘I are identical in formation and ar rangement to the shell shown in Figures 3 and 4 alignment. ' ' . CHARLES B. BREEDLOVE.