US1474555A - Separable rim - Google Patents

Description

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' Nov. 20,1923.

A. B. ROGNLIE SEPARABLE RIM Fild June so 1922 V 45 at 6.

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AD OLPH B. ROGNLIE, orsHELL VMVINESOTA.

sErARABLE RIM.

Application filed'June so, 192 Serial No. 571,900, v

i J V f. 2:2) all whom it may com-em:

Beitknownthat I, ADOLPI-I B. RoeNLm, a citizen of the United States, residing at Shelly, in the county of Norman and State.

that while the members will be firmly held together under all normal conditions they may be easily separated when it is desired 7 to remove a tire. The invention is illustrated in the accompanying drawings and will be hereinafter fully set forth.

In the drawings- Figures 1 and 2 are sections taken d1- ametrically through a rim of my invention and in planes at right angles to each other;

Fig. 8 is an enlarged detail perspective view of a portion of the rim showing the members separated. r s The rim consists of two circular bands 851 and 2 each provided'at one edge with a flange 3 which is adapted to bear against the inner portion of a tire so that, when the I rim members are brought together, the 'tire will be effectually held between said flanges. 30.The1band 1 is of somewhat greater'width than the band 2, as clearly shown in Figs.

1 and 2, and "will, therefore, overlap the inner edge of the latter band which is pro vided with a circumferential shoulder 4' upon its outer surface against which the edge of the band :l 'may abutso that the rim members will be maintained in the proper relation to prevent crampingof the tire, while at the same time the tire will 40 .be effectually held. The band 1 is provided at intervals on its inner surface with lugs 5, the length of which is disposed transversely to the band and the inner ends of the lugs are beveled, as indicated Adjacent the outer end of each lug, a. short longitudinally disposed slot 7 is provided in the band 1 to facilitate the separation of the bands when a tire is to beremo'ved. .The band .2 is provided at its inner edge with projecting keeper I tonguesSconstructed with slots 9 of the 1' same form and {dimensions as the lugs 5 so that they may engage' over the said lugs. It will be readily understood that: the

tongues '8 correspond in number and posi tion with the lugs-5 so that they readily mate when the bands 1 and 2 arebrought together, and the tongues are resilient so that they will readily ride over the-lugs and springinto engagement therewith. An opening 10'for the valve stem is provided through the circular band 1 and bothbands are reinforced by plates 11 secured to their inner surfaces around'and adjacent the said openingso that an increased surface will presented to the valve stem and the liability of the stem being cut by the rim will be thereby minimize As shown most clearly in Figs. 1 and 2 the free edge or end of eachtongue 8 will 70.

lie flush with the base of theiflange 3 upon the band 1. l/Vhen it is desired to separate the members of the rim, therefore, it" is necessary merely to insert the "end of a screwdriver or .other similar tool under the s end of the tongue 8,whereupon slight pressure exerted upon said tool will releaselthe tongue'from the outer end of the lug 5 and permit the tongue to ride over'the lugif outward force be applied to the flanges 3. If the tongues .should tend tosti-ck through. slight corrosion or other causes, the end of the screwdriver or other 'iimpler ment may be forced between the rim 3 and the adjacent side offthe tire into-and through '86 the slot 7 so as to exert a pressure against the ide of the tongue] directly downwardly as is evident.

My device .is exceedingly simple in 'con struction and may be produced at a low 90, 7 cost. fIn assembling the rim, the two bands ,1 and 2 are merey pushed together and the tongues 8 ride easily and automatically over and into. engagement with the 1ugsf5.

The shoulders at presenta structure whereby/'95 the outer circumference of the rim will be r };L flush and smooth throughout so'thatthere I are no projections which might pinch or otherwise injure the tire;

Having thus described the invention, j

what is claimed'asnew is: l

A separable rim' comprising circular bands adapted to 'fit togetherwith' their inneredges ovcrlappingand their :outersun.

faces flush throughout their extent, the overlapping band being provided at intervals with longitudinally disposed slots, transversely disposed locking lugs on the inner circumference of said band having their outer, ends disposed inimediaitely adjicent said slots,' and resilient locking tongues pro- ADOLPH B. 'noenmnfps

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