US1746059A - Knob - Google Patents

Description

Feb. 4, 1930. J. G. swANsoN 1,746,059

Filed Jan. 24, 1927` Patented Feb. *i

' UNITED STATES PATENT ori-ica? JOHN aswaNsoii, or amara, omo', AssieNon 'ro 'ma GENE A1. INDUSTRIES coim-` rm, on any-BIA, omo, a coaroiwrion. or onio :Non Application illed January 24, 192'?. Serial .No..'163,01l1l.v

M inventionA relates to knobs and relates provide a gear-shift lever ball having the articularly to knobs for handles, such as, desirable roperties of a substantially un# or instance, may bev employed ashandle adulterate bakelite or condensite ball ut knobs on the end of gear-shift levers of autowithout possessing the disadvantages attendy 5 mobiles. ant upon the use of balls of adultered or com- 5 Heretofore it has been proposed to place posite materials. on the end of gear-shift levers for automo- Another object of my invention is to'proning a metallic insert provide a gear-shiftlever, or like ball, in whic biles al ball contai i jected from a si e thereof, the metallic in' the metallic internally threaded insert emthreaded recess ployed for. connection lpurposes is rigi y anchored in the integral phenolic material d within the reof theball and which ball will have the decess. sired outer form and surface of phenolic ma These gear-shift lever balls have been made terial in an integrally moulded structure' 1 of various-materials and it has beenfound comprising merely the metallic insert and the t that balls of phenolic moulded compositions phenolic material.

onl known as bakelite, or condensite, kAnother ob]ect of my invention is to "procomm ossess the properties of vstrength and dur- Vide a gear -shift.lever ball entirely o pheability re u'ire at the same time being vsus- 119119 materlal except for an imbedded'metalceptible o receiving a high polish on the'1` lic insert for connection purposes and whic exterior surfaces so as to present a'pleasing ill comprise a minimum of such phenolic a pearance. material relative toits exteri r'dimensions- However, such balls are expensive to make Another object of my invention is to probecause of the'high cost of the henolic mavide a gear-'h'ift lever ball of phenolic mate- 25'terial contained in the same, and it has been, rial employing a minimum of such matesed to adulterate this marial for its exterior dimensions and which terial, and gear-shift lever balls have been will be strong, durable, pleasing in appearformed of phenolic material adulterated'with ance, and inexpensive to make in quantities which are made almost entirel Other objects of my invention and the in woo rtions and convention itself will become apparent by refer tain only a surface shell of phenolic. material. ence-to the drawings illustrating an em o The henolic-sawdust balls do not present` a ment of my invention, and in which drav pleasin appearance to the eye an as dura le as balls made of substantially un- Fig. 4l illustrates a side elevational vie 5 adulterated phenolic material, and the balls of an embodiment of my invention;

having but a thin outer shell of phenolic ma- Fig. 2 is a longitudinal medial section terial are subject'to separation of the outer' view taken on the line 2--2 of Fig. l;v shells from the main body of the balls vand ig. 3 is a plan view 'from below of t tallie inserts becoming embodiment of my invention shown in Fig.

are sub]ect to the me 4o loosened from the wooden cores for the balls. Flg. 4 1S a SeCtlOIl taken 011 the 11119 4f Other and various attempts have been of Fig. 2; made to accomplish the making in quantities Fig. 5 is an elevational view of a meta of gear-shift lever or like ballsadapted to inser employed in the foregoing emb be used `as handles, and which will possess ment; an f I 45 all of the desirable qualities of substantially 1 Figs. t3, 7 and 8 are top. plan, bottom r unadulterated bakelitel or eondensite m9,- and sectional views, respectively, thereof terial but-mono of these proposals have met Referrlng v110W t0 the dlferent figure with any degreev of success, so far as am drawing, in all ofwhich likeparts are d r aware. f nated by like reference characters, t]

5 object of myinvention,l therefore, seem-generally, that stem and skirt avmg an axial stem 4 dep from the head and extending beyond the edge 5 of the skirt, there being formed between' the an 4annular recess 6. A plurallty of spaced webs 7, herein illustrated as our 1n number, joining opposing portions of the skirt and stem 1n portions thereof disposed toward the head 2. ese webs, as will ymmetry etween the portions.

The periphery of the skirt, as indicated at `is' rounded longitudinally, being more abruptly rounded, preferably, than the crown 1 in medial, verticalV sections, so as to have a portion of its surface 9 adjacent its edge 5 greatest diamm webs and such skirt and stem lntermediate nob portion of greatest diameter.

t w1ll be noted that by the provision of A.

as it is possible composite phenolic and that a better, more dulls of od materials, and

maximum strength in the joints d rable ball is produced. Also, this effect is contributed to thus omitted below the wise would be'filled with ower edge 17 of the stem.

At th I find that by forming and by proyiding the g web 7 Joining it, as sh e sufcient to break a sk vtially otherwise as formed aving thus described specific embo he embodiment herein illustrated and from the A lever handle knob ada ted to be screw threaded onto the threade end of a lever, comprising a single integral body of molded phenolic condensate material or the like, havdepending angral stem depending axially wall of the o is to be attached. In testimony whereof I hereunto aiix my slgnature thls 13th day of December, 1926. G. SWAN SON

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