US868618A - Paper-sheet-feeding mechanism for printing-presses. - Google Patents

Description

No. 868,618. I PATBNTED OCT. 15, 1907.

J. E. TUCKER.

PAPER $HEET FEEDING MECHANISM FOR PRINTING PRESSES.

APPLICATION FILED JUNE 19, 1906.

Ii [ZAQESSLS [Algal 10A mu'rno STAES PA ENT} orEro JUNIUS E. 'r'o'oEEE, or MEMPHIS, TENNESSEE, ASSIGNYOR OF ONE-HALF To'WrLLIAM s.

BRIAN, or MEMPHIS, TENNESSEE.

rlWEn-smEnr-FEEmNe MECHANISM FOE snmrmoaennssns.

No. memo,

Original implication filed December l l, 1905, Serial No. 291,745. Divided and this application filed June 19, 1906.

. Eerie] No 322,426.

To all'who'm it their concern; V

'CKER, 2t resident of lllcmphie, in the coiinty dl Shelby and State of Tenneseee lmve invented ccrtttin nexv md useful lmproye 5 ments in Paper-tiheet-Feeilingliliejbhenism for Printing Presses; and I do hereby dclm be following to be 9. full, clear, and erect description the invention; such as will enable others skilled in'the art to which; it appertains to mulch and use the slime. My invention relates to improvements paper sheet feeding mechanitun for vprinting presses," the object; of the invention being to provide improved automatic means for controlling the upward feed of the pfztper pile, and the invention consists in certuinnovel l'erttures of i5 construction and combinations and armngelilcnts of parts on will be more lolly hereinafter described and pointed out in thucluinis:

This application is a division of, my application filed of paper sheets 12, their forward edges being supported against it guide-plot o 3. Secured to the bottom of plntl'orin l is brat-hot. having or screw threaded socket to 'rot-oivo s. set Q hich latter is turned by a ratchet dog (5 cngogir ntchet. wheel 7 secured on the screw, 3Q mid :lltltl dog is reciprocated by the movementroi any suitable portion of the press operating mechanism. t The framework of the press (not shown) supports it rod 10 above the pile of sheets, and horizontally disposed guide plaice ll; arc pivoted at one end on the 3-5 rod ill and are Il'ltlliE with elongated slots 12, to receive a rod 13, zuljustrtblc therein :l('tt l'tiillg to the length of the sheets. The rod ill curries t1- rollcr l4. which rests .on the top sheet of the pile, uutl supports this end of the lilfitlitit" plates, flhcsc pl-ttlcs have beveled lower edges ill to exactly posit ion the top sheet before its pz'rssugc to the feeding lupw to. the operation oi which will more hilly hereinafter LliiPOill.

A lever in is pivoted at. one end on rod it) and coinprises two sections hing-ed together-11s shown at 17. and iulcrumctl between said hinge l7 and the long curl oi the lover. to a ro l IT on plates l l. The long (Hill of thc lever ltl hits it (lt'lnlllllllg roll it} connected at its lower end, to the outer our! oi n hinged catch ltl which latter is mlilptod uhou |ttl'illliil i to lull t engage. the (log 43 5G and hold tho-sumooutolmutm-l Wlllt thorutchut wheel,

lilpecifieotion of Letters Patent. I

Patented Oct. 15', 1907.

and thereby stop the upward movement of the paper sheets until, the dog is released.

The operation of my improvements above described is as lo1lows;As the pile of sheets is moved upwardly,

the pile, there will be no appreciable change in the po sition of the guide plates, butshould the pile be elevated too rapidly, the upward movement of the guide plates pile of I will cause the lever 16 to break at its hingel'? andthe long enclto fall, permitting the catch 19 to engage dog 6 and prevent it from operating'tbe ratchet wheel, thus I stopping the upward feed of the pile, until a. suficient number of sheets have been led offto allow the parts to assume their former normal positions.

A great many slight changes might be made in the general form and arrangement: of the parts described without departing from my invention and hence I would have it understood that I do not restrict myself to the precise details set forth but consider myself et. liberty to make such slight changes and alterations as fairly all within the spirit and scope of my invention.

Having fully described my invention What I claim as new and desire to secure by Letters-Potent, is:.

1. In an apparatus of the character described, the combination with a platform or support for a pile of paper sheets, of a screw to feed theplatform upward as sheets are removed from the top of the pile, a ratchet Wheelon the screw, :1 dog for operating the ratchet wheel to turn the screw, :1 lever hinged between its ends, :1 catch connccted to one end of the lever and adopted when depressed to engage the 102; and prevent sold (10;; from operating the ratchet whect und means supported on the pile of paper sheets and adapted to. fiorcedhe lever to bend at ts hinge and the catch to hold the dog out of ope ative relation to thc ratchet WheeL when the pile ls r-icvated too rapidly.

.3. In an appurzzlus of th character described, the combination with a platform or support: for :1 pile of pupcr sheets and means for fecdlng the platform upward es shoots are removed from the top, of a cross rod above the nllc of sheets, guide plates plvotully supported at one end on the rod, located beside The pile of sheets und having beveled inner fur-cs to guide the upper sheets into proper position, :1 rod or shaft supported in slots in the guide plates. i1 roller on said rod or shaft resting on thlop shoot of the pile, and menus operated by said guide plates to stop the upward feed of the pile when said feed is too rapid. 4 v

in testimony whereof, l have signed this specification in thc l l'(.\rllt't of two subscribing witnesses.

. JUNHZS I Tl UKER.

Wit nos'scs:

IHH'HLASS G; MCCOTTEH, Jr., 'iuouns J. McCuLLouuH.

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