DE1484198A1 - Plank screw - Google Patents

Description

The invention relates to ./and panel or ./and plank screws as well as on / and connections that screw such / on contain.

^ s is a general object of the invention to provide an improved yer / andplankenschraube to create, which is particularly suitable to fix a Jandplanke on an underlying carrier.

The invention provides a / andplankenschraube containing a longitudinal uchaft including an i "substantially cylindrical body which in a forward rer jungten, substantially conical leading end section on -

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which ends in a forwardly arranged point, a drill structure door carried by the front part of the guide section and extending to the point, a self-tapping thread carried through the rear part of the Kührungsendabschnittes and through the front part of said Huiapfabschnittsü, an enlarged head, which at the lower end of the body section ends, wherein the head of the verses kart, which includes' a back tapered, substantially conical ochuboberflache, and a substantially flat i.erkzeugangriffsflache, wherein the ./erkzeugangriffsflache substantially perpendicular to the axis of the üchaftes is arranged and has a tool receiving recess therein whereby the screw with the head can be countersunk relation thereto in a cooperating ./and plank so that the uchub surface engages the entry opening of the hole in the .and plank through which the shank extends and where J in the case of the tool contact surface essentially with the outside; surface of the i / and plank is arranged in a tied manner.

A andtrer purpose of the invention is, in a '

: Compound that a carrier and one attacking the carrier ι, / andplanke contains, a screw fastening device from

To create improved construction and arrangement that hold the 'elements of the connection together, _BAD

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The invention further provides in an / end connection including a beam and an andplank engaging the beam, a screw fastener holding the connection together and including an elongated shaft, threads carried through the shaft, enlarged Head which terminates at the rear end of this shaft, the head being of the countersunk type containing a backwardly tapered, substantially conical chubo surface and a substantially flat tool engaging surface, with the tool engaging surface being substantially perpendicular to the axis de, s shaft is arranged and has a in the .andplunke is created, as well as a nubgericntetes second, in d A hole provided in the carrier and v. the thread engaging with a thread formation, ede being created in the carrier and in the second hole, the head also being in a countersunk relationship with a locking recess which is disordered in the oken surface of the anapplank and ii AEM üUienende of the first hole is created and the voiei jimbouerfliehe in solid in ^ _o ^r ^ reef uit the sinker and AETR us.p ;; tion and vobei the .tri.zeugangrifft-fliche in

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is essentially arranged flush with the outer surface of the iifand plank, so that the tool attack recess and the grooves are suitable for anchoring a thin plaster coating or the like in its position, which is attached to the tool-engaging surface Purpose can be attached to cover up this head and to give the outer surface of the n'and plank a smooth finished appearance.

Another object of the invention is to provide an improved plank screw that has an elongated shaft includes, a drill structure carried by the leading end of the shaft, one carried by the body of the shaft self-tapping thread and a countersunk-type head carried by the rear end of the shaft.

Further features of the invention relate to the special arrangement of the elements of the wall plank screw and, the elements of the ./end connection or the iVand assembly, whereby the aforementioned and additional operating characteristics are achieved.

The invention, as well as its apparatus and method of operation, along with other objects and advantages, go on is best understood from the following description, by way of example, in conjunction with the drawings, in which: Fig. 1 is a side view of an embodying the invention.

tfand plank screw, bad ohkbinal

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Fig. 2 is a erheblioh enlarged, partial side view of the head of the Jandplankensohraube explaining the sahrauben-like structure that is supported by the same Sohuboberfläohe,

3 shows an enlarged plan view of the tool engagement surface the floor plank screw, which holds the tool recess and reveals the grid-like pattern of the grooves formed in it,

4 is an enlarged partial side view of the leading end portion of the shank de |; Wall plank incense, which explains the drill structure, the one on the previous end the same is worn,

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Fig. 5 is an enlarged seitliohe ^ chnittansicht the aforementioned drill structural door, said view taken in the direction of arrows along line 5 -.. 5 in Figure 4 is chosen 6 is a reduced Schnittansioht and Figure by a V / andverb ^ n- »manure includes a metal support beam, two layers of plasterboard, and the Vfandsohraube that secures the elements of the connection together. In Fig. 1 of the drawings, the wall plank screw 10 shown there, which embodies the features of the invention, -... "^ borrowed a longitudinal shaft 11, which includes a cylindrical body portion B in the daily, welin a forwardly tapered substantially conical

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Leading end section P passes over, which is arranged in a front

Tip 12 ends. The front of the leading end portion P carries a drill structure D that extends forwardly of the tip 12, which drill structure D forms a main star drill that includes a plurality of angularly spaced bits 13 carried through the front of the leading end portion P. and extend forward to the tip 12, in particular, as shown in FIGS. 4 and 5, the Lieissel 13 is determined by a corresponding plurality of substantially triangular flat surfaces 14, which are angled at a distance. ! arranged in an orderly relationship and supported by the front part of the guide end portion P and extending close to the tip 12 / with the bits 13 and the surfaces 14 being arranged alternately around the front part of the guide end portion P. In the illustrated arrangement, four of the bits 13 and four of the surfaces 14 are provided in the ijtern drill L. However, any suitable number of such ^ e i.sei therebetween and coming surfaces υ be provided in the Jternbohrer fourteenth In this way it is understandable that the ./andflamceiLchraub 10 is suitable for making its own guide hole in the associated structure as a result of the provision of the internal drill D-at the front part of the leading end section P of the shaft 11. i

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it is explained more fully nooh below.

An uninterrupted self-sustaining thread 15 is carried on the rear part of the leading end section P and through the front part of the trunk section B, which thread can have a substantially uniform pitch P1, as indicated in FIG. In the construction, the leading end of the thread 15 "which is located at the rear end of the funrung fendabechnittee P" ends at the rear end of the steering drill D ₁ as best shown in Fig. 4, whereby the leading end of the thread 15 into the guide hole occurs, which is drilled in the assigned structure through the core drill I) and screws it in and pulls the body of the thread on the front part of the torso section 6 into the thread connection with the threaded hole in the assigned structure ·

The wall plank screw 10 also includes, as in FIG. 1 through 5 inclusive, an enlarged head 16, 4§r ends at the rear end of the trunk section B, which Head 16 Ton is the countersunk type, which includes a backwardly tapered, essentially conical thrust surface 17, and a substantially flat tool engaging surface 18, the tool engaging surface 18 being substantially normal to the iichse of the shaft 11 is arranged and one substantially

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has centrally arranged / tool receiving recess 19 therein. Usually the rear end of the thread 15 ends at the body section B slightly in front of the head 16, but if desired, the .iinterende of the thread 15 backwards the fuselage section B extend to a point that is adjacent at the front end of the .jchuboberflache 17 is arranged. The tool engagement recess 19, which in the tool attack area may be of any type, but preferably it is of the Phillips type as shown in Figs is shown. The tool attack area 18 of the head 16 carries a plurality of grooves 20, which are arranged in surrounding relation to the .r'erkzeugaufnahmeveiniefung 19, which grooves 20 are preferably arranged in a substantially grid-like pattern, as shown in FIG. When the plank screw 10 has been brought with respect to an associated wall plank, the head 16 is in a retractable relationship therewith arranged, whereby the ochuboberflache 17 the inlet opening of the hole thus formed in the .andplank attacks and the tool engagement surface 18 is substantially flush or arranged balanced with the old surface of the .Yandplank. At this point the tool holder depressions 19 and the grooves 20 cooperate in order to receive and anchor a thin solder coating or the like, which is

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can then be attached to the tool engaging surface when the head 16 is in countersunk relationship with the plank, thereby obscuring the head 16 and giving the exterior surface of the plank a smooth finished appearance.

Referring to Fig. 2, the thrust surface includes a corrugated surface formed by a thread-like structure 21 carried therethrough, which thread-like structure 21 has a plurality of threads arranged on the ochub surface 17 of the same direction, v / ie the Includes thread 15. λ \ ιϊ uiese / else pushes the thread-like structure 21 a corresponding thread-like formation in the L'intrittsö'ffnung the aforementioned hole in the .andplanke when the "andplanken:;. 3hraube 10 is brought into Versenkbeziehung with the head 16.. ■ is wrong, as it is explained more fully below. In particular, the ochub surface 17 and the thread-like structure 21 carried by it are arranged radially inwards with a pull on a simple truncated cone which extends from the front end to the rear. at3 is advanced to the lower end of the ochub surface 17, where the projection is shown by the line 22 in FIG. "Ons line 22 of the aforementioned simple cone under a // in: '■) {, approximately 42 to the longitudinal center line of the." Andplanken-r 10 is arranged. Also in the construction of the

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Head 16, a reverse tapered, provided substantially truncated cone-shaped edge 23 at the rear end of the thrust surface 17 and extending to the terkzeugangriffsflache 18, wherein the. Andoberfläche, the edge 23 at a small i '/ dbene to an in angle of approximately 15 ° 24 is arranged , which runs parallel to the longitudinal axis of the screw 10, as FIG. 2 shows. Correspondingly, the screw-like structure 21 in the head 16 contains a majority of ./indings, which are provided on the ... thrust surface 17 and run left-.ngs backwards to the funny ..and 23, oak turns of the thread type . ^ o] Structure 21 aie same direction as the Ge; inde PY uaoen, ie ,, already previously warned urde ". In particular, '.de in the ii'ig. 1 and 2 is shown, the / indings of the j-wind 15 on the Euiupfauschnitt B and the ./iir.lungs of the jev '/ ind-like structure 21 on the ochub surface 17 iiu i- ■; -. ·.:; ~ Arranged ratio so that, when the; andplankenschraul turned to the right, vird, one Vienne the erkzeugan * _o rifrsf 1 '- d>. 18 considers them in the assigned structure is ::;, _ä rru ^λ.-J.. I> ei the other consideration of the thread type _: i / _t . .μκ, ', .- γ 21 shows a variable slope along the,. i .; _{i (J} 3 .o ^: ^ e des xiopfes 16,; / elche variable ^ teigun ^ cer ge>, - iri..icai-ti _o en ..- trukbur 21 from, / indunj to ,, 'indung from the front ende, Λ '^ ⁽ - ^: "' ^c ^ ^as -'ii> terende of the Johub surface 17 decreases, v / ie it at i IU, P 11

ORIGINAL BATHROOM 909883/0505 - Π -

P 12 is shown in FIG. Furthermore, the constant stone. supply P 1 of the thread 15 * which is on the body section B of the ISohaftes 11 is provided, much larger than the variable Pitch of the thread-like structure 21, which is provided on the thrust surface 17 of the head 16, as from a comparison of the constant pitch P 1 of the thread 15 and the variable pitch P 10, P 11 and P 12 of the thread-like structure 21 with respect to FIG. 1 and 2 appears if accepted becomes that the scale of Fig. 2 is much larger than that of Fig. 1. Furthermore, the thread-like structure 21 has a Construction, so that any two adjacent turns of the same, in the related front and! Insinuations are arranged on the Sohuboberflache 17, the relevant Soheitel radii R 1 and R 3 with a root in between, .velohe has the root radius B 2, all measured from the central longitudinal axis of the head 16, where R 1. ^ F R 2 ** 5.

R 3 is to the subsonic in the thread-like structure along the longitudinal axis of the head 16, as it 2. Accordingly, the thread-like structure 21 exhibits a generally sinusoidal profile along the Thrust surface 17 and along the intersection of any radial plane, the .ure ;, the longitudinal central axis of the head 16 passes. J] now a satisfactory process for

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Position of the plank screw 10, ao is separated from a supply roll in a suitable section or a length of steel wire τοη essentially cylindrical shape. One end of the section or blank is first upset to create an enlargement thereon which is ultimately shaped to create the head 16 of the finished plank screw 10. The aforesaid enlargement provided at one end of the die is then subjected to pressure from a pair of cooperating front and rear die blocks. In this step, the rear die block forms the tool engaging surface 16 of the head 16 as well as the centrally located tool receptacle recess 19 therein and the grooves 20 therein, while the front die block forms the lifting surface 17 of the head 16, the thread-like structure 21 carried by it In other words, in the last-mentioned step, the finished head 16 is produced from the enlargement provided at one end of the piece, so that the elements 18, 19, 20, 17, 21 and 23 of the head 16 are formed at the same time are. After the finished head 16 is formed in this way at the ink end of the blank, the changed end of the blank is subjected to the pressure in a suitable die set in order to produce the surfaces 14 and the chisels 13 and the point 12,

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which comprises the elements of the drill structure D. After that, the Body of the cylindrical Rohstüokes, which between the finished head 16 and the fundamental elements of the drill

structure D is subjected to a thread operation in a matching pair of thread rolling punches, whereby at the same time the thread 13 on the front end of the body section D and the rear end of the guide section P des Shank 11 is created, which formation of the leading end of the thread 13 produces the finished shape of the drill structure D, which is attached to the front part of the leading end portion P - · - ■

of the shaft 11 is provided. After the Jandplank screw formed in this way, it is normally subjected to a suitable heat treatment to form the drill structure D as well as to harden the thread carried by the shaft 11 in a suitable manner

In Fig. 6, a wall connection 30 is shown, which Lierkmale of the present invention embodied and a metal support 40, two identical plates 30 and 31 of the wall plank · uad the, / and plank screw 10 of the Torher described construction contains. In particular, the support 40 may be formed from a suitable sheet of relatively thin metal, such as aluminum alloy sheet. The carrier 40 has elongated ones Shape and has a lateral cross-section, as shown in FIG.

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is shown, which includes a centrally arranged web 41, which ends at the opposite Jeiten in two backward-facing and laterally spaced ribs, which in this regard end in two forward and outward projecting wings 43, which in turn in two laterally and outwardly protruding flanges 44 run out, which are provided with forwardly folded edge parts 45 in this regard. Learning to speak, the support beam 40 is of a relatively strong, light construction and the inner plank panel 51 is arranged in support relation on the two laterally spaced ribs 42 and on the rearward on the center piece 41. The outer panel 52 is placed in support relationship on the inner panel 51 and, as previously noted, the joints are secured together by the plank screw. The two plank panels 51 and 52 may be identical, each of the type of tfips, and in particular the outer plank panel 52 is of conventional construction which includes a central body 52a formed essentially from potassium sulfate or gypsum with an interior «} Jtimschicht 52 *, the 52o formed from Kraft paper and tiutr äufltren end layer of kraft paper (kraft paper) UU

JH the r '/ and plate panels 51 and 52 have a strong self-supporting * structure, especially the ease of use and

BATHROOM C-RIGlNAL

to facilitate binding of the same in a traditional way

In the compound 30, the representation of the wall panels -self 51 and 52 in a stacked relationship and supportingly relationship ^one old the support "· represented 40 entirely for the purpose of Torliegenden description, since the connection 30 may include only the outer einsige Wandplanktntafel 52nd It is also understandable that in a 4-person building construction in which the wall connection 30 is interleaved, the girder 40 is firmly anchored in its position by means of a rigid, outer, non-angular girder.

Ua do you set up the connection 30 to return, As shown in Fig. 6, the carrier 40 is anchored securely to a non-paved carrier. The two wall planks -

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panels 5t and 52 are in stacked relationship with each other and placed in a supported relationship on the two ribs 42 of the beam and there will be a number of τοπ rfandplaakensohrauben io ife longitudinal direction la spaced relationship datoh the both llandplankentafein 52 and 51 and driven into the web 51 of the girder 40 to the elements of the connection 30 together fasten in. Everybody will be special at dta Wall plank screws 10 the tip 12 thereof first into contact with the outer surface of the outer plank board brought to the required place and naoh backwards to dea Web 41 of the carrier 40 set without the advantage

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a filling hole in the outer ./andplankentafel 52. The ./and plank screw 10 ./ is then pressed forward and turned, " so that the drill structure D, which is located on the outermost front ' end of the guide edge portion P is, gradually their own aligned guide holes in the outer wall plank board 52, in the inner and plank panel 51 and in the jteg of the Carrier 40 bores. When each of the members 52, 51 and 41 is successively penetrated by the drill structure D, the front end of the thread 15 enters at the rear of the leading end portion P of the shaft 11 successively the j'üiirungslöcher thus drilled and screwed the same one after the other and gradually pulls the body of the thread 15 on the front part of the hump section P of the Jchaftes 11 into the Thread relationship with the threaded holes thus produced in the aforementioned members. With the continued drifting of the , / Andplankenschraub 10 pulls the thread 15, which is in thread relation ^ with the threaded hole made in this way in the ^ teg 41 is arranged, the Jteg 41 outwardly against the adjacent surface of the inner wall plank panel 51 so that the same in the engagement so bent at a point / can ground the is arranged between the two ribs 42, * as shown in FIG. 6. When the s / and plank screw 10 is driven in, the head 16 into the sinking relationship with reference to the outer ,, and -

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Plank board 52 moves and in particular takes effect at this point in time the surface 17 of the head 16 is the access opening of the hole so formed in the outer plank panel 52 and the tool engaging surface 18 of the head 16 becomes substantially with the outer surface of the outer., andplank 52 balanced arranged when the head 16 of the plank screw in its tightened position with respect to the outer wall board 52 is driven, the thread-like structure 21, which is provided on the «Jchuboberflache 17, presses a corresponding one Gev / ind-like training in the entry opening of the hole thus formed in the outer .Iandplankentafel 52, whereby the, iandplankenschraub 10 exerts a large clamping pressure between the head 16 of the same and the cross member 41 of the wearer, with the result that the ./andplankentafeln 52 and 51 securely in a stacked relationship are fastened together while the front surface of the inner, plank panel 51 is firmly in place on the two Ribs 42 and also perhaps clamped on the middle part of the web 41, what is of the fiückward bending of the same, as before mentioned, depends. The arrangement of the thread-like structure 21 on the ochubfläche 17 of the head 16 significantly increases the effective friction surface of the ^ chuboberflache 17, so that they a substantial increase in the clamping pressure, which is exerted on the ./andplankentafeln 51 and 52, without the pre-

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to cause the body 52a of plaster of paris incorporated in the outer / and plank panel 52, with the result, that the outer surface of the outer ./andplankentafel 52 completely smooth and flat adjacent to the / tool contact surface 18 of the head is in its retracted position with respect to the outer / and plank panel 52.

Accordingly, the connection has a smooth and finished appearance, ./by the thin mortar coating or the like, which is not shown, can then be attached to the., He .Access engagement surface 18 of the head 16 to have a completely finished appearance on the outside To create surface of the outer iYandplankentafel 52. The thin mortar coating is firmly anchored in place by the cooperation between the tool receiving recess 19 and the grid-like grooves 20 provided in the tool engaging surface 18 of the head 16, whereby the head 16 with respect to the outer surface of the outer ',, 'Andplankentafel 52 is completely covered.

From the above it can be seen that a ./and plank screw of improved and simplified construction and training as well as a V / and connection has been created is that a carrier one or more ./andplankentafeln and contains the aforementioned / andplan ^ screw.

BATH ORIGINAL

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Claims (1)

1. »Janüplankenschrauüe, characterized by a longitudinally extending shaft (11) with an essentially cylindrical hump section which merges into a forwardly tapered, essentially conical guide end section (P) which ends in a tip (12) arranged at the front, a drill structure carried by the front of the leading end portion and extending to the tip, a self-tapping thread (15) carried through the rear of the leading end portion and through the front of the body portion (B), an enlarged head (IC), of the uinterende of Kumpfabsclmittes terminates, the head of the Versenktype, a rearward, tapered generally conical 3chuboberflache (17) and a substantially flat i7erkzeugan _b rii'fsflache (18), including substantially perpendicular to the iichse of the shaft is arranged and a ./erkzeug receiving recess (19) in it, so that the screw in a Gamit interacting, iandtufel can be attracted, whereby the head is in retractable relation uamit uefinütt, in which the buhuuouerfläche (17) engages the inlet opening of the hole in the itandplanjce through which the Jchait extends and where the .yerkzeugangriffsflache (lü) is essentially flush with the outer surface of the, andplank is arranged. - 20 9 0 9883/0505 2. Screw according to claim 1, characterized in that it has a corrugated structure carried by the thrust surface (17), so that this corrugated structure has a corresponding corrugated formation in the inlet opening of the hole thus formed in the. '/ andplanke squeezes when the head with the iVandplanke is pulled into the sinking relationship, 5. Screw according to claim 2, characterized in that the corrugated Structure is a thread-like formation (21) from the same direction as the thread (15) on the body portion. 4. Screw according to one of claims 1-3, characterized in that the drill structure is a star drill which has a plurality includes angularly spaced leashes (13) carried by the front of the leading end portion (8) and run forward to the tip (12). 5. Screw according to one of the preceding claims, characterized in that that üie .lierkzeugangriff sflache (18) a plurality of grooves (20) therein, so that the, Verkzeugaufnahmeahnungung (19) and the grooves (20) are able to apply a thin coating of i.iörtel or the like. to anchor in his position, the can be attached to the tool grip surface after the screw in the: i'andplanke with the head in verse draw has been attracted to it. bad CH ^ - 21 909883/0505 14841Θ9 6. Screw according to claim 5, characterized in that the grooves (2ü) in a grid-like pattern in the / erzeugan ^ reef surface (18) are arranged. 7. A screw according to any one of claims 3-6, characterized in that the Schubooerflache (17) and the geaindearti ^ e ot structure which is supported thereby, are arranged radially inwardly with respect to a simple cone (22), the jach zurückv / projecting AERTS from the front end to the iiinterende the thrust surface, v / odurch the thrust surface and the thread-like otruktur cooperate to produce a composite concave curved Reibun _o G0berflache with a l·lache that is substantially greater than the i'läche the aforementioned simple is truncated. ü. Screw according to one of Claims 3 - 6, characterized in that that the üe; / inde a first substantially constant slope (Pl) along the axis of the shaft, γ / obei the thread-like structure a second variable (PlO, Pll, P12) slope along the Axis of the head and the first slope is significantly greater than the second slope. 9. Screw according to claim 8, characterized in that the second Incline (Plü, Pll, P12) from junction to turn of the thread-like structure backwards along the axis of the head ^b BADOBl 909883/0505 -22- the front end decreases towards the rear end of the thrust surface. lü. oohraube according to any one of claims' ■) - b, d-uaurch in that the ge ^ indeartige structure nt an ICo; having truiction so that any two adjacent (derseioen indungen which are in this respect arranged in the relative front and uinttrstellungen on the The corresponding ocheittlrudien R 1 and H with a root in between, which has the root radius Ii 2, all measured from the central axis of the head, where H 1 ^ CR 2 <ir- H 3, around the undercut in the thread-like structure l ^; in _b 8 of the saddle axis dua 1-i.opfLS ^ u avoid. 11. screw according to one of claims 3-6, as marked uroh, that the ge, indelike structure is generally sinusoidal Profile along the surface of the ochub. 12. iiandverbindurig, characterized in that uieselue has a carrier (40) and one attacking this girder door; andplanke (ρ1, ί; 2) contains, an ochrLubenuefeatiguiigsvorrichtung, v / which this Compound together and has tinen elongated shaft, a Oe. / inde (15) carried by the shaft, one the rear end of the shaft final enlarged liopf (16), the Head is one of the type of sinking, which has a rear tapered, essentially conical üchuboberflache (17) and a includes substantially flat .ierkzeugaufflache (18), the ./tool engaging surface being substantially normal to the 909883/0505 U84198 Axis of the shaft is arranged and a ./crkzeugaufnahmeahnungung (19) therein, while a plurality of grooves (20) arranged in the derkzeugangriffsflache and in the surrounding Relation to the Werkzeugaufηahmeaussparung (19) arranged wherein the shaft extends through a first hole made in the wall plank and then through an aligned second hole created in the carrier extends, the thread engages a thread formation in the carrier and in the second hole, and wherein the head (16) is disposed in countersunk relationship with a countersunk recess formed in the outer surface of the Jandpianke is created and the outer end of the first hole and the oohuboberflache (17) in solid Engagement with the i / and the countersink recess and where the tool engaging surface (18) is arranged substantially flush with the outer surface of the V / and plank, whereby the Tool attack and the grooves are able to make one thin lÄörtelüberzug or the like. to anchor in his position, the can be attached to the tool handle sf surface (Ib) in order to cover the head and the outer surface of the ./andplanke to give a smooth finished look. 13. ./and connection according to claim 12, characterized in that the same one corrugated carried tluroh the ..chubolcrilfläche (17) Contains structure (21). 909883/0505 BATH ORIGINAL