US1424922A - Pulverizing machine - Google Patents

Description

hammer he used in e reversed position when the hammer faces ot the sume become Wo-rii. From the foregoing` description it Will he seen 'that this type .of ring` hammer overcomes the disadvantages of 'hammers of the old plain our type which are pivotecl to 'the supporting rofl incl lieve only tour huur mer luces. rlflie ehove described ringhznnv mei' 1s loosely mounted on its eupoortiiig roel ring hummer is equally es Well applicable` jaa so es to move hodilv inwiirfl upon striking :in obstructionv enrl is provided with ten hummer feces in addition 'to its; grinding sun' faces. i

The foregoing 'errainpjement is considered only en exemple; und l do not lwish to he limited to the type of machine shown as my to other types oi pulverizers I l claim the i5 lowing :is my ii'ivention:

l. A hammer und crushing member for.

ing

i eilv therein, ring lnunniers loosely mounted ,on seiclL carrier emi adapted to (zo-operate with sciiti grinding Surfaces, some of said hammers being plein ring-gs :incl some being rings of substantially "the seme overall (lia-meter ne the plain `r/iiigs but having their periphery o'lf'si'ii', outweril-iy at intervals to forni hummer tucesysiiliituzitizilly as nud for the purpoee set tort-li'.

pulverizing' 'machine comprising e erasing hei/ing grind-ing surfaces, a.' carrier with offset pcriiilieries foii'ning redini shoulders, smal, iings'heing loose-lv supported hy said carrier to rotate therewith to co operette with suiii grinding surfaces, Where hy seid rings serve hotli as hummersweiid cruelle-rs.-

vtions 4.- lii combination with e pulverizing ine-l chine comprising` 'a easing hfviiig grinding surfaces und a carrier rotatehly mounted therein, and having ennulerly spaced rods thereon, rings adapted to cooper-(ite `with seid grinding surfaces as ci eher-s, seid rings being` loosely supported, on seirl ennulurly spaced rods, tlie peripheral surface of said ring being oiiset at intervals by raaiiiil shoulders so that the outermost 1porw 4form c rushing surfaces and. the shoulders :it the ends of said crushing surfaces forni hummer feces whereby the ring mayheusod inn reversed position.

5. A ring ianiiuer for pulveriiiing niachilies of the high-speed peroussion` enti crushing type, comprisingv an annuler hody whose innernncl outer surfaces are suhsteiitielly concentric but Whose outer surface is offset at intervals to forni rrliel hammer faces.

(3. 'Ei ring hummer for pulverizing meu chines comprising :in annular hotly Whose inner and outer surfaces eresuhstantielly concentric, seid outer surface having about live notches therein and at leest one sie of each notch having a substantie-ily ref dielly disposed surface adept-ed to constitute e hammer fece.

7. A ringv hummer for pulverizing .nia-- chilies comprising an annuler body Whose inner und. outer surfaces are substantially concentric, seid outer .surfacel having ebout tive notches .therein and both sides of each notch having euloetentifillyi` radially disposed surfaces adapted to constitute hummer facce Wherehysaid ring: hammer is reversible.

8. ring hammer for pulveriziiig incf chines ol the high-speed 'percuseion enel crushing tL/pes comprising an annuler hotly Whose inner find outer surfaces ereg-Elkton Y tielly concentric' but Wliose'oiiter surface is rotatably mounted therein und heavy rings i oii'set et intervals. to forni reolial hammer feces, the arcuate length of the notches loeii'i'glV approximately equal. to the :ircuute length. of the portions between them. l

Sin-neel et St. Louis. Missouri, this 5th

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