US2563809A

US2563809A - Quick-release fastener

Info

Publication number: US2563809A
Application number: US45383A
Authority: US
Inventors: Clifford L Ash
Original assignee: Individual
Current assignee: Individual
Priority date: 1948-08-20
Filing date: 1948-08-20
Publication date: 1951-08-14
Anticipated expiration: 1968-08-14

Description

Aug. 14, 1951 c. L. ASH 2,563,809

QUICK-REILEASE FASTENER Filed Aug. 20, 1948 [6 (1L1; OF L f Z Z k ATTORNEY Patented Aug. 14, 1951 UNITED STATES PATENT OFFICE (Granted under the act of March 3, 1883, as amended April 30, 1928; 3'70 0. G. 757) 3 Claims.

The invention described herein, if patented, may be manufactured and used by or for the Government for governmental purposes without the payment to me of any royalty thereon.

The present invention relates to a buckle or fastening device for straps, bands and the like, and has for one of its objects to provide a quickrelease buckle which may be moved to inoperative position by merely pulling upwardly on the free end of the strap with which the buckle is associated.

Another object of the invention resides in the provision'of a buckle of simplified construction, comprising two separable elements which may be stamped from sheet or strip stock.

A further object of the invention consists in providing a buckle which will automatically secure a strap by merely pulling the free end of the strap in the proper direction.

A still further object of the invention resides in the provision of a simplified buckle composed of two separable loops, or frame members, which will serve to clamp a strap without the use of perforations in the latter.

Other objects and advantages of the invention will be apparent from the following description when taken in connection with the accompanying drawings, in which:

Figure l is a plan view of the buckle in clampingposition, the strap being shown in dotted out line;

Figure 2 is a plan view of the buckle per se in released position;

Figure 3 is a fragmentary perspective view of the buckle in association with a strap and showing the buckle in released position; I

Figure 4 is a cross-sectional view, showing the buckle in the process of being reset;

Figure 5 is a side elevational view of the buckle in clamping relation to its strap; and

Figure 6 is a longitudinal section View taken on the line 6-45 of Figure 2.

The buckle of the present invention is relatively simple and inexpensive and comprises merely two separate and distinct frame members, indicated by the numerals I and 2.

The frame member I is of polygonal form, comprising side members 3 and angular end members 4, and these end members are provided on their interior with notches 5. The end members ll are also provided with bearing portions 6, for cooperation with the complementary frame member 2 in a manner which will appear later on.

The frame member 2 is also of generally rec- 2 a I tangular form and comprises the longitudinal side members "I and end members 3, and one of the side members I is provided with extensions 9, which limit the movement of the frame member 2 in one direction with respect to the frame I member I.

The buckle in assembled relation to its strap is shown in Figures 3, 4 and 5; the strap being indicated generally by the numeral It. It will be understood, of course, that this buckle may be employed with practically any type of strap required to be tightened, but in the present illustration the strap I0 is indicatedin connection with an Army packboard II, provided with slots I2, through which the strap II? passes. In this particular illustration the strap I0 is provided with a permanent loop I3, which encircles the side bar 3 of the frame member I adjacent to the bearing members .6. This loop also encloses the lower side bar 3 of the frame member 2, as clearly I indicated in Figures 3 and 4. The free end I4 of strap end I4 is drawn to the right (Fig. 4), but

before this operation is performed, it is necessary to change the positions of they frame members I and 2 from the positions shown in Figure 3 to substantially the positions shown in Figure 4, that is to say, the frame member I must be swung over the frame member 2, so as to bring them into substantially horizontally parallel relationship with the member 2 above the member I. In this position the strap end I4 may be drawn to the right (Fig. 4), and by so doing the end bars 8 of the frame 2 press on the bearing surfaces 8 of the frame member I, pressing the same forcibly against the free end I4 of the strap It, thereby securely clamping the same against the body of the strap, as shown in Figures 1 and 5.

To release the strap, it is only necessary to pull upwardly on its free end it. This movement will raise the frame member I from its clamping position and cause the two members to assume positions substantially as shown in Figure 3, so that the strap is entirely free to be moved for releasing goods or for any other purpose in connection with which the strap may be used. If it is again desired to place the strap in operative position and clamp the same, the frame members i and 2 are again reset, as indicated in Figure 4, so that a pull on the end It of the strap will cause the end bars 8 of the frame 2 to apply pressure to or strip stock; that a clamping action is provided Without mutilating the strap by providing a series of perforations or by using serrations on the edges of the buckle; that tension on the strap is distributed equally across its entire'width; that the buckle may be released fromclamp'ingposition by simply using one hand to pull upwardly on the free end of the strap; and that, 'afte'r'the buckle is reset, it is automatically moved to clamping position by a simple"pull-'onthe free end of the strap in a :Vdirection paralleling the plane of the frame member. 7

While-"the structure "of the illustrated buckle has been describedin considerable detail, it is to be understood thatvfari oiis changes may be made in structural features without in any waydeparting from thespi rit of the invention, and it is intended that allsuch changes be included within the scope of'the'appendd claims.

I claiin: I 1. In combination, a strap, a quickly releasable buckle Comprising inner and outer substantially rectangular framerneinbersforined of side and end'barsftheinner faces 'of the end bars of the outer member beingprovided with complementary notches providing an overall-internal length inthe outer frame; greater "than the external length of the inner frame, a loop on the strap encircling ajdjglcent side bars, one on each frame, the free end"of ;the strapyheing threaded around the oppos'itejside bar of the inner frame, and bearingfnembers extending from the ends of the side bars of the outer fra me to the bases'of said notches, whereby the end bars of the inner frame are" adapted to engage one orithe other of the bearing members dependen upon the relative positioning of the ffa'rnefme'mbers'.

2. In combinati'ohfastrapfa'quickly-releasable buckle comprising inner "amplifier substantially rectangular frame niei'nbrsf'dimd of side and end bars, the inrferfa theend parser the outer member being'provided with complementary notches providing an over-all internal length in the outer frame greater than the external length of the inner frame, a loop on the strap encircling adjacent side bars, one on each frame, the free end of the strap being threaded around the opposite side bar of the inner-frame, and a pairof arcuate bearing membrsoneach of the inner sides of the outer frame, each bearing member extending from an end of its side bar to the base of the adjacent notch, whereby the embers of the inner frame are adapted to engage one orthe other of the bearing members dependent upon the relative positioning of the frame members.

In combination, a strap, a quickly-releasable buckle comprising inner and outer substantially rectangular frame members formed of side and end bars, the inner faces of the end bars of the outer member being provided with complementary notches providing an over all internal length in the outer frame gr'eater than the external length of the inner frame, a loop on'th'e strap encircling-adjacent-side bars, one oneach'frame, the free end of thestrap being threaded around the opposite side bar of the inner framefbearing inembersextendlng from the-ends of the side bars of theouter frame to the bases of said notches, and extensionson the ends of the inner'frame adapted to preyent-theihrier fram'efrompassing entirely through the outerframe in one direc tion, whereby the end bars of'the inner-frame are adapted to engage one or the other of the bearing members dependent upon the relative positioning of the frame-members; 71 V V GLIFWGRDL. ASK.

sweetness-"s ren The'followingreferences are of r-ecor'd in the file of-this patent:

UNITED STATES PATENTS- Name I 1 Date I Phelps quiyio, 1866 Ritte'r Nov. 11,1924

Lane Jan; 1,1929

FOREIGN PATENTS Ccuntry Number N timber 135,139