US2642932A

US2642932A - Rail member for removably mounting sinuously corrugated wire springs

Info

Publication number: US2642932A
Application number: US237942A
Authority: US
Inventors: William H Neely; William C Sander; Charles E Smith
Original assignee: Universal Wire Spring Co
Current assignee: Universal Wire Spring Co
Priority date: 1951-07-21
Filing date: 1951-07-21
Publication date: 1953-06-23
Anticipated expiration: 1970-06-23

Description

June 1953 w. H. NEELY .ETAL 2,642,932

RAIL MEMBER FOR REIAOVABLY uoun'rm; smuousLv CORRUGATED WIRE SPRINGS Filed July 21 1951 Patented June 23,}953

RAIL MEMBER FOR REMOVABLY MOUNTING SINUOUSLY CORRUGATED WIRE SPRINGS William H. Neely, Cleveland, William O. Sandor,

Solon, and Charles E. Smith, Hudson, Ohio, asslgnors to The Universal Wire Spring Co.- pany, Bedford, Ohio, a corporation of Ohio Application July 21, 1951, Serial No. 237,943

Claims. (Cl. 155-179) This invention relates in general to supporting members for springs of spring constructions, and, more particularly to supporting rails for sinuously corrugated wire springs assembled to wire spring constructions.

The primary object of this invention is the provision of a rail member adapted to readily removably and non-shiftably support corrugated wire springs of the type embodying left and righthanded loops connected with each other by cross wires. the rail member including for each spring to be supported two aligned, hook-shaped elements arranged in laterally spaced, reversed relation with respect to each other to seat and grip opposite sides of one of the cross wires oi a corrugated wire spring when such cross wire is shifted into engagement with said elements, and a third hook-shaped element positioned in spaced, symmetrical relation with respect to said two elements and constructed to engage and grip one of the cross wires adjacent to the cross wire seated and gripped by the said two aligned hook-shaped elements.

Another object of the invention is the provision of a rail member adapted to readily removably and non-shiftably support sinuously corrugated wire springs embodying left and right-handed loops connected with each other by cross wires, the rail member including, for each spring to be supported, two, aligned, struckup portions having hook-shaped form and arranged in laterally spaced, reversed relation with respect to each other to effect seating and gripping of opposite sides of one of the cross wires of a corrugated wire spring, when such cross wire is shifted into engagement with said elements, and a third hook-shaped struck-up portion having hook-shaped form and arranged in spaced symmetrical relation with respect to said two struck-up portions, said third struck-up portion adapted to engage and grip one of the cross wires adjacent to the cross wire seated and gripped by the said two struck-up portions.

a further object of the invention is the provision of a rail member as described above in which the two aligned, hook-shaped, struck-up portions which are arranged in laterally spaced,

, reversed relation with respect to each other iiielude opposed, slanted edge portions to facilitate locking engagement of a corrugated wire spring with the hook-shaped. struck-up portions by retating the spring while one of its cross members is positioned between the two struck-up portions.

in view, the invention has other marked improvements and superiorities which radically distinguish same from presently known structures. These improvements and superior characteristics. embodying certain novel features oi construction are clearly set forth in the appended claims and the preferred embodiment oi the invention hereinafter shown with-reference to the accompanying drawing forming part of the specification.

In the drawing:

Fig. i is a plan view oi a rail member constructed in accordance with the invention, the rail member having attached thereto single convolutions oi sinuously corrugated wire springs;

Fig. 2 is a sectional view on line 2-2 of Fig. 1;

Fig. 3 is a plan view oi a rail member similar to Fig. l having placed thereon a i 'ragmentarily shown corrugated wire spring in position to engage when rotated a cross wire with the two cbgoperating struck-up portions of the rail mem- Fig. 4 is a plan view similar to Fig. 3 showing in i'uli line the corrugated wire spring properly mounted on the rail member and in dash-dotted lines the wire spring just before its engagement with the third struck-up portion oi the rail member;

2 Fie d is sectional view on line wt of Fig.

Fig. 6 is a sectional view on line 8-t oi Fig. 1.

Referring now more in detail to the exemplified form oi the invention shown in the drawing, reference numeral 2 denotes a ill-shaped raii member 1: M i a seating or resting portion 3 having downwardly extended side flanges t and t. Seating or resting portion 8 is termed with a plurality of groups oi hoot. members, each group oi which includes two aligned, hookshaped elements 8 and l laterally spaced irom each other a short distance and reversed with respect to each other to extend their open ends in opposite directions, and a third hook-shaped element t positioned in spaced, symmetrical relation with respect to elements 8 and l. These latter elements are struck up irom seating portion I which for such purpose is slit to form oppositely extending tongue members 8 and i0- tongue member 6 being bent upwardly and outwardly and tonguemember it being bent upwardly and inwardly.

Hook-shaped elements I and I include upper wall portions Ii and il, respectively, spaced from the seating surface It of seating portion with the above and other incidental objects a I a distance approximately equal to the gage amps:

. v v of the sinuously corrugated wire spring ll having its cross wire II engaged and held by elements and I.

Hook-shaped element I is positioned in spaced. symmetrical relation with respect to hook-shaped elements' I and I and also struck up from seating portion ,8 which for this purpose is slit to form a tongue member ll bent upwardly at an angle of substantially 46 degrees and provides a seat II adapted to engage the middle portion II of cross wire II adjoining the cross member II oi ripped convolution II of sinuously corrugated wire spring II.

The described hook-shaped elements cooperate as a group in properly removabl'y seating, holding and sripping a sinuously corrugated wire spring on rail member 2 and permit quick and eiiicient mounting and demounting of such spring. The steps to be taken in mounting spring II on rail member 2 are clearly disclosed in Figs. 3 and 4-and these steps, taken in reverse, enect quick and eiiicient demounting of the spring.

Mounting of a sinuoualy corrugated wire spring II on rail member 2 is eiiected by pla in the spring, as shown in Fig. 3, on the seating surface 14 of seating portion I so, that cross wire II extends between hook-shaped elements I and I, then spring II is rotated in a direction indicated by arrow 22 to engage and rip cross" wire II by wall portions H and I! of elements I and I and seating surface 14 of seating or resting portion I (see the position or cross wire II in Pig. 4); finally cross wire II is forced into engagement with tongue member I! by yieldingly bending spring II (see dash-dotted line II) in a direction indicated by arrow 24 to shift said cross wire over tongue member l1 and downwardly and then by releasing spring II cross wire II is automatically engaged with hook-shaped element I when the spring, allowed to snap back, regains its original shape.

Preferably, as shown, hook-shaped elements I and I have opposing corner edges of their upper wall portions II and II cut on slan nsparal. lel lines 2i and II, respectively. to facilitate locking engagement of these elements with' the cross member of a sinuously corrugated w'ire spring placed on seating portion I so that one of the cross wires or the wire spring is positioned between the hook-shaped elements I and Rail members of the type ducribed are particularly well suited for sinuously corrugated wire springs made of wire with gauges ran in from 10 to 14, which wires can readily be handled in the manner described without use of special tools and danger of deformation.

Having thus described our invention, what we claim is:

1. In a rail member for mounting sinuously corrugated wire springs, a metal strip, two aligned, laterally spaced, hook-shaped elements on said strip, said elements including open hook ends and being arranged in inverted relation with respect to each other to extend their open hook ends in opposite directions, and a third hook-shaped element arranged parallel to said 4 other open book ends in opposite directions and a hook-shaped element on said strip, said element including an open book end and in axially spaced and facing such elements with its open book end.

1 g 4. A rail mounting sinuously oorrugated wiresprings comprising an' elongated m tal st p. aiisn dgroupa oi h ok-shaped attachment arranged on said strip in'longitudinaliy spaced relation. each roup including a pair of aligned, laterally-spaced. hookshap'ed' portions struck up from laid strip and I s red onc d 9m hook ends. ach p r having its hooheshaped portions arranged ininverted position with respect to each other to extend the open hook-ends at each pair in opposite directions. and a third hook-shave portion struck up said strip and including an open hook end. he hird hook-shaped portions of each pair raeing'yini their open hook ends the struckupportionsgfsuchpairsandbeingaxiallyspaced with respect to; such struck-up portions,

5.A'ra'il member as described in'claim 4, wherein the inverted, laterally spaced, two hookshaped portions of each 'group include upper wall portions having bias-cut edge portions. and wherein the bias-cut edge portions or such upper wall portions extsndparaliel to each other to facilitate a releasable mounting of sinuously corrugated wire'springa on .the aligned groups of the hoobshaped attachment means of the rail