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US2639480A - Strap connector - Google Patents

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Publication number
US2639480A
US2639480A US9868149A US2639480A US 2639480 A US2639480 A US 2639480A US 9868149 A US9868149 A US 9868149A US 2639480 A US2639480 A US 2639480A
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Prior art keywords
end
mounting
arm
bearing
bore
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Magid Philip
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Magid Philip
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/02Attachment of slings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/12Gun band type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/34Combined diverse multipart fasteners
    • Y10T24/3484Hook
    • Y10T24/3485Hook and hook
    • Y10T24/3489Hook and hook having securing means
    • Y10T24/3491Sliding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/45Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45272Projection passes through cavity then moves toward noninserted portion of its member to complete interlock [e.g., snap hook]
    • Y10T24/45288Hook type projection member
    • Y10T24/45304Noninserted portion of projection member includes movably connected gate for closing access throat
    • Y10T24/45382Track or way guided gate
    • Y10T24/45387Track or way guided gate having means biasing gate
    • Y10T24/45393Guide of gate encircles shank
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/47Strap-end-attaching devices

Description

y 1953 P. MAGID' STRAP CONNECTOR Filed June 13, 1949 INVENTOR. PHILIP MAGID A T TORNEXS Patented May 26, 1953 UNITED STATES PAT OFFICE STRAP- CONNECTOR Bhilin Magid, Brooklyn, N. Application June 13, 1949; SerialNo. 98,681

7; Claims. 1

My invention relates to-improvements in swivel devices andhas particular reference to a swiveldevice' which is especiallyadaptedto be used in conjunction witha gun or rifle, tohold the sling or strap thereof.

It isan object of my invention to provide a swivel. device which has meansfor holding a strap or sling, of a gun, and additional meanshy which. said swivel device may be. quickly and. easily at.- tached anddetached from the bodyof the. gun.

Theconventiunal removable slin s of this, sort are madeof an. appreciable number of. separate metal pa'rtswhich. must beseparateiy forged lndiyiduallymachine-finished for assembly. This process of manufacture; is therefore. so, detailed. and time-consuming that it requires at least several. months to fill anorder for swivels of a specified size.

Another object of my invention. therefore, is, the provision oi a, swivel device of the. character. described which consists of a minimum number of parts and which can be quickly, easily, and economically manufactured.

Stilli another object of my invention is the provision of a swivel device of the character described by means of which a strap or, sling may be mounted on a gun or rifle for convenient adjustment and use.

Otherobjeots and advantages of the invention will be apparent in the course of the following specification and claims when taken in connectionwith the accompanying drawings in which Fig. I is a side view of a gun having a pair of my swivel devices attached thereto, with portions of the gun being shown broken away to more clearly reveal the means of attachment.

Fig. 2 is an enlarged front elevation of the swivel device of my invention, with portions thereof: shown in section.

Fig. 3 is. a side elevational view thereof.

Fig. 4 is a sectional view similar to Fig. 3, but showing: the swivel. device in its opened position.

Fig. 5 is a side elevationthereof.

Referring to the drawings, particularly to Fig; I, my swivel device is shown applied to a con-- ventional rifle R having the usual fore-stock F and butt B.

The swivel: device broadly com-prises a mounting member He and. a swivel element 12 attached thereto. drawings havinga construction adapted to be attached to a socket: element M which is fully described in my prior U. S. Patent No. 2,190,263, and which is. shownin the drawings her-cot by way out example. only. Mounting member H: com

Mounting member ll is shown in the I prises. a hollow, tubular portion. or sleeve M. and an. integral externally threaded cylindrical shaft l3. which is integral with said sleeve i i. The fore-stock F of rifle R is. provided with one or more vertical boresv or grooves intoeach of which a socket element M is inserted. Socket element comprises a threaded bolt 2-; which has a. hollow, cylindrical,' internally. threaded head it Said head: t is provided: with diametrically opposed slots 6, said: slots. being adapted to. accommodate a. screw driver or other suitable tool. A nut 3. is. employed to. secure. each socket element 1w within the grooves. of fore-stock F as shown in Fig. 1'. One or more socket. elements M may be permanently mounted within the vertical. grooves provided in. fore-stock: F so. that thebottom of each: head 4:. is. flush with the. under surface of fore-stock F and. that part of the. fore-stock is Smooth, and has noprojections- By providing a plurality of: spaced: socket. elements M in the fore-stock 1?; it is possible to adjust the length and fit oi the strap 3. without unbuckling the same.

The externally threaded. cylindrical shaft 13 of. mounting member; lil, is. sized to fit within the internally-threaded head 4. of socket element M whereby the sleeve; on tubular portion Hi of said mounting memberis secured. flush. against the lower surface of fore-stock;F:,

If the fore-stock F, is; solid, the sleeve i l of mounting member M may: be provided. with an integral wood-screw; in place of the threaded shaft 13, by means of which wood-screw the, mounting; member may be secured to. the solid fore-stock. If desired, particularly in the event that the fore-stock. is hollow, the. threaded shaft I3 may be made longer, and may be. directly inserted within. a bore-or aperture in the fore-stock and be heldv directly by the nut. 3.

To mount one; of the mounting. members on the buttB. of; therifie, a coarsezwood screw may be set in said butt, said wood screw having a threaded hollow head. which is identical with. the hollow head 4 of bolt 2, previously described. This arrangement is shown in-Fig. 1.. If desired, however, the Irmuntingv member H may be provided. with an. integral wood screw in place of gheatthreaded shaft I3 for mounting on the rifle Swivelelement i2 comprises two lengths of metal rod which are bentinto-desired shapes and connected together to formthe main portions of said swivel element. The rod is preferably solid and: made of' a semi-rigid metal which may be twisted into the desired shape by conventional tools or machinery but which will retain its shape under normal usage. A single, relatively long piece of this rod 16 is bent to form a strap-retaining loop ll which is sized to receive and hold the strap or sling S of the rifle.

The free ends of the rod iii are bent around each other in uniform spiral convolutions l8 which form a bearing [9. One free end of the rod It as it leaves the spiral convolutions I8, is bent upwardly and inwardly to form a fixed mounting arm 20 which is employed in attaching the swivel element l2 to the mounting element II. The other free end of said rod I6 is tapered to a point as shown at Ilia in Fig. 2, which tapered portion is bent to form the end turn of the spiral convolutions l8 and to form a planar end surface of the bearing l9 formed by said spiral convolutions, which end surface is substantially perpendicular to the longitudinal axis of bearing H3.

The bearing I9 is formed in such a manner that the spiral convolutions l8 form an internal bore extending longitudinally through said bearing IS. The diameter of said bore is slightly larger than the swivel element so that a section of said rod may be inserted within said bore as will be presently described.

A shorter length of solid rod 2!, which is of similar dimension and consistency as the rod 16, is bent at one end to form an adjustable mounting arm 22 which is similar to the fixed mounting arm 20. The straight end of said rod 2| is of sufficient length to fit entirely through the internal bore of bearing IS. The free end of said straight portion of rod 2| is provided with external threading 23, as shown in Fig. 2, which enables an internally-threaded plunger head or finger piece24 to be removably secured to the end of said rod 2 I. If desired, however, plunger head 24 may be permanently secured to the end of rod 2| in any conventional manner, such as by soldering, welding, or the like, although I prefer to make said plunger head removable for convenience in assembly.

The bore of bearing I9 is provided with an enlarged portion 25 which communicates therewith. This enlarged portion may be easily formed in the manufacture of the device by inserting a drill partially through the bore and increasing the diameter thereof. The enlarged bore portion 25 houses a compression coil spring 26 which is sized to fit snugly within said enlarged portion 25, the ledge 25a formed at the junction between the bore and its enlarged portion 25 preventing said spring from moving longitudinally out of said enlarged portion. The spring 26 abuts said ledge 25a at one end, and the inner end of the plunger head 24 at the other end, thus urging said plunger head to its normal position in which it is held outside of bearing I9 and is accessible to the finger of the user. It is obvious that in biasing plunger head 24 to its normal position, spring 26 also biases mounting arm 22 toward the fixed mounting arm 20.

In use, the plunger head 24 is depressed against the tension of spring 26, and the free end of fixed mounting arm 20 is inserted into one side of the sleeve or tubular portion M of mounting member II. As shown in Fig. 4, in this position the end of mounting arm 22 is longitudinally spaced from the other end of sleeve [4, and can be alined with the opening at this end. When the plunger head 24 is then released, the end of adjustable mounting arm 22 will enter the bore of sleeve l4 and will be held in this position by the tension of spring 26 as shown in Fig. 2, and in broken line in Fig. 4. It will be noted that in this position, both mounting arms 20 and 22 are on a parallel plane with each other and with the strap-retaining loop I1, and form a non-continuous loop extending through the bore of sleeve l4 and swivelly securing swivel element I2 to mounting member H.

To detach the swivel element 12 from the mounting member I I, it is only necessary to depress the plunger head 24, an operation which can be easily performed with on hand. The end of mounting arm 22 will thus be moved longitudinally entirely out of the bore of sleeve I4 and will drop of its own weight, as shown in Fig. 5, the straight end of rod 2| rotating within the bore of bearing IS. The fixed mounting arm may then be withdrawn from sleev [4 still requiring only a one-handed operation.

As shown in Fig. 1, a pair of swivel devices are attached to a gun or rifie, one on the fore-stock F and the other on the butt B. The gun strap or sling S is atached at each end to the strap retaining loops ll of the respective swivel devices. The strap may be wholly or partially detached from the gun for adjustment or replacement by removing one or both of the swivel elements l2 from the mounting members ll according to the method previously described.

It is to be noted that the tapered end portion [6a of rod I6 forms a flat surface at one end of bearing [9 which serves to prevent the lower bent portion of mounting arm 22 from jamming within the bore of bearing I9, and in addition serves as a bearing surface for the rotation of said mounting arm 22.

While a preferred embodiment of my invention has been shown and described herein, it is obvious that numerous changes, additions, and omissions may be made in the invention without departing from the spirit and scope thereof.

Iclaim:

1. A fastening device for pivotally attaching a gun sling to a tubular member mounted on a gun, said fastening device comprising a long and a short cylindrical metal rod bent into desired shapes, said long rod being bent to form an outer loop of a size to retain a gun-sling, an intermediate bearing, and an inner fixed mounting arm having a free end shaped to fit rotatably a substantial distance within said tubular member, said bearing being formed of a series of parallel spiral convolutions of said long rod, the inner surface of said spiral convolutions forming a through-and-through bore extending centrally and longitudinally through said bearing and having a diameter suflicient to house said short rod, said short rod having a terminal straight portion of sufiicient length to fit through the bore of said bearing, the other end of said rod being bent upwardly and inwardly to reach and extend a substantial distance within one end of the tubular member when the fixed mounting arm is inserted within said member, and the straight end of said short rod is inserted through the bore of said bearing, and a compression spring within said bore arranged to urge the free end of straight end of said short rod exteriorly of said bearing.

2. A swivel device according to claim 1 in which the straight end of said short rod has a terminal finger piece which is normally urged by said compression spring to a position outside said bearing, in which position said finger piece is accessible for manual movement into the bore of said bearing, whereby the bent end of said short rod is brought out of engagement with the tubular member.

3. A swivel device according to claim 1 in which the fixed mounting arm is formed from one free end of the long rod, the other free end of said long rod being tapered and being bent to follow the path of the spiral convolutions to form a planar end surface for the bearing formed by said spiral convolutions, said planar end surface abutting the lower portion of the bent end of the short rod.

4. A fastening device according to claim 1 in which the longitudinal bore of the bearing is provided with a portion of enlarged diameter at its end adjacent the fixed mounting arm, said enlarged portion serving as a housing for said spring.

5. A fastening device comprising a single bar of rigid material bent to form a lower retaining loop, an intermediate bearing rigid with said retaining loop, and an upper fixed mounting arm rigid with said bearing, said bearing being formed of an intermediate portion of said bar bent upon itself in spiral form and having a through-andthrough bore, an adjustable mounting arm having a straight end slidably and rotatably mounted in said bearing and extending through said bore, said straight end having a terminal plunger head, and a compression spring located within said bore and normally urging said plunger head to a position in which it is located outside said bore, said spring normally urging said adjustable mounting arm to a holding position in which the free end thereof is proximate to and axially alined with the free end of said fixed mounting arm, said plunger being adapted to be brought to a release position in which the free end thereof is spaced from the free end of said fixed mounting arm, and in which the plunger may be rotated within said bore to bring the free end of said plunger out of axial alinement with the free end of said mounting arm.

6. A fastening device comprising a single bar of rigid material bent to form a lower retaining loop, an intermediate bearing rigid with said retaining loop, and an upper fixed mounting arm rigid with said bearing and said retaining loop. said fixed mounting arm having a bent free end, said bearing being formed of an intermediate portion of said bar bent upon itself in spiral form and having a through-and-through longitudinal bore, an adjustable mounting arm having a straight end slida'bly and rotatably extending through said bore, said straight end having a terminal plunger head, said adjustable mounting arm also having a bent free end which is shaped substantially like the bent free end of said fixed mounting arm, and spring means normally urging said plunger head to a position in which it is located outside said bore, said spring means also normally urging said adjustable mounting arm to a holding position in which the bent free end thereof is proximate to and axially alined with the free bent end of said mounting arm to form a split loop therewith, said plunger being adapted to be brought to a release position, against the tension of said spring means, in which the bent free end thereof is spaced a relatively greater distance from the bent free end of said fixed mounting arm, and in which the adjustable mounting arm may be rotated within said bore to bring the bent free end thereof out of axial alinement with the bent free end of said fixed mounting arm.

7. For use in pivotally attaching a sling to a sleeve mounted beneath a gun, a fastening element comprising a fixed portion and a movable arm, said fixed portion comprising a single continuous bar of rigid material bent to form a lower loop shaped to hold said sling, an intermediate bearing, and an upper fixed mounting arm, said intermediate bearing being composed of a series of closely-adjacent spiral convolutions bent from an intermediate portion of said bar to form a tube having a central through-and-through bore, said fixed mounting ar-m being bent from an end of said bar to form an upstanding leg which is integral with one end of said bearing and a lateral terminal leg which is spaced from and parallel to the axis of said bearing, said movable arm being of appreciably greater length than said bearing and extending sli-dably and rotatably through said bearing bore, the end of said movable arm which is spaced from said fixed mounting arm being bent to define a terminal leg which is parallel to the axis of said bearing and is spaced from said bearing axis the same distance as the terminal leg of said fixed mounting arm, said bearing having spring means which normally urges the other end of said movable arm to a position in which it projects exteriorly of said bearing and also urging the terminal end of said movable member toward the terminal end of said fixed member, said fastening element having a normal holding position in which said terminal ends are alined with each other and face each other and are located rotatably in opposite sides of said sleeve for pivotal movement of said element relative to said sleeve, said movable member being of sufiicient length to permit the projecting end thereof to be manually depressed against tension of said spring means a sufiicient distance to move the terminal end of said movable member outside of said sleeve to a position in which it is free to rotate out of the axial plane of said sleeve.

PHILIP MAGID.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 249,333 Gibbons Nov. 8, 1881 276,965 Gibbons May 1, 1883 307,054 Kelly Oct, 21, 1884 714,777 Buck Dec. 2, 1902 1,920,408 Lafayette Aug. 1, 1933 2,190,268 Magid Feb. 13, 1940 2,296,733 Paolino Sept. 22, 1942 2,539,272 Richman Jan. 23, 1951 FOREIGN PATENTS Number Country Date 785,981 France May 27, 1935 201,369 Switzerland Apr. 17, 1939

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843908A (en) * 1954-10-26 1958-07-22 Carolyn S Koelling Jewelry clasp
DE1138193B (en) * 1960-10-08 1962-10-18 J P Sauer & Sohn Sling swivel for Gewehrriemen
US4665641A (en) * 1985-01-07 1987-05-19 Oscar Nepomuceno Quick point reversible sling swivel for rifle and shotguns
US4823491A (en) * 1986-11-21 1989-04-25 Llames Emiliano C Quick point reversible sling swivel assembly for a rifle or the like for rifle and shotguns
US5323940A (en) * 1992-07-14 1994-06-28 Hart Milton M Fall-away gun sling attachment
FR2751741A1 (en) * 1996-07-23 1998-01-30 Biemont Paul Fastening for attaching sling to assault rifle
WO2006053239A1 (en) * 2004-11-12 2006-05-18 Ra Brands, L.L.C. Swivel connector
US7654028B1 (en) * 2007-01-11 2010-02-02 Grovtec U S, Inc. High-strength sling swivel

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US249333A (en) * 1881-11-08 Snap-hook
US276965A (en) * 1883-05-01 John gibbons
US307054A (en) * 1884-10-21 Suspenders
US714777A (en) * 1901-05-09 1902-12-02 Cornelius A Buck Snap-hook.
US1920408A (en) * 1931-07-13 1933-08-01 Irving Air Chute Co Inc Coupling device
FR785981A (en) * 1935-02-21 1935-08-23 New hooking system between watch and bracelet
US2190268A (en) * 1939-04-27 1940-02-13 Magid Philip Swivel device
US2296733A (en) * 1940-04-10 1942-09-22 Alfonso A Paolino Gun sling
US2539272A (en) * 1945-09-24 1951-01-23 Bessie A Richman Fastener of the slide buckle type

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US249333A (en) * 1881-11-08 Snap-hook
US276965A (en) * 1883-05-01 John gibbons
US307054A (en) * 1884-10-21 Suspenders
US714777A (en) * 1901-05-09 1902-12-02 Cornelius A Buck Snap-hook.
US1920408A (en) * 1931-07-13 1933-08-01 Irving Air Chute Co Inc Coupling device
FR785981A (en) * 1935-02-21 1935-08-23 New hooking system between watch and bracelet
US2190268A (en) * 1939-04-27 1940-02-13 Magid Philip Swivel device
US2296733A (en) * 1940-04-10 1942-09-22 Alfonso A Paolino Gun sling
US2539272A (en) * 1945-09-24 1951-01-23 Bessie A Richman Fastener of the slide buckle type

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843908A (en) * 1954-10-26 1958-07-22 Carolyn S Koelling Jewelry clasp
DE1138193B (en) * 1960-10-08 1962-10-18 J P Sauer & Sohn Sling swivel for Gewehrriemen
US4665641A (en) * 1985-01-07 1987-05-19 Oscar Nepomuceno Quick point reversible sling swivel for rifle and shotguns
US4823491A (en) * 1986-11-21 1989-04-25 Llames Emiliano C Quick point reversible sling swivel assembly for a rifle or the like for rifle and shotguns
US5323940A (en) * 1992-07-14 1994-06-28 Hart Milton M Fall-away gun sling attachment
FR2751741A1 (en) * 1996-07-23 1998-01-30 Biemont Paul Fastening for attaching sling to assault rifle
WO2006053239A1 (en) * 2004-11-12 2006-05-18 Ra Brands, L.L.C. Swivel connector
US20060248686A1 (en) * 2004-11-12 2006-11-09 Cook Todd D Swivel connector
US7654028B1 (en) * 2007-01-11 2010-02-02 Grovtec U S, Inc. High-strength sling swivel

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