US865892A - Type-writing machine. - Google Patents

Description

No. 865,892. PATENTED SEPT. 10, 1907.

E. B. HESS.

TYPE WRITING MACHINE.

APPLICATION FILED APE.22,1907.

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EDWARD B. HESS, OF NEW YORK, N. Y., ASSIGNOR TO ROYAL TYPEWRITER COMPANY, OF

HOBOKEN, NEW JERSEY, A CORPORATION OF NEW lER sEY. v

. TYPE-WRITING- MACHINE.

Application filedApril 22,1907. .Serial No. SBSLQQL city and State of New York, have ,invented certain Improvements in Writing-Machines, of which the following is a specification.

' This invention relates to paper feed and alining or scale-bar.devices.- Its object isto provide-an alining JOE the elbow levers.

scale normally below. the line of printsay,-ajl'ull letter space-and adapted to-be moved independently at will to the line of print combined with paper feed rollsso'arra-nged that when the feed rolls are thrown outot-engagement with the platen', the alining or scalebar is automatically moved 'to the printing line and returned to normal position when the feed rolls. are again in'operative relation to the'plate n.

In the accompanying drawings: Figure 1 is a detail elevation with the platen shaft in section; Fig. 2,

similar view showing the parts in different position;-

Fig. 3, a section on the line 3, of Fig. fl; Fig. 4, a detail front elevation showing the right hand end of the platen. t

a is the platen, b an ordinary paper table; 0 rear iced rolls mounted on a shaft 0 turning in open bearings in arms or levers cl pivoted at d and the ends of which are urgedtoward the platen by a spring, not

shown. l-

g are front feed rollsmounted on a shaft 9 turning in open hearings in the front ends of elbow levers h rocking about a shaft 71 and the rear-ends 722 of which are also urged away from the platen and the rolls toward the platen by springs 9 applied under the front ends A rock shaft f has'on one side transverse notches in which the ends of the levers d lieand, on the opposite side, other transverse no tches in which lie the rear ends 7 7. of the'elbow levers. ,In this condition of the parts the pressure .or feed rolls bear upon, or are in operative relation to the platen. When the she it f is rocked-and the ends of the roller carrying levers respectively ride upon the circuml'erence ol the shaft, the rolls will be thrown outoi engagement with the platen and, by reason of the friction between the ends of the levers and the shaft, will so remain. The rocking of shaftf may be conveniently efie'ctedby means of a pinion f engaged by a circular rack-i on the hub of a rocking hand lever 2i. The a] ining or scale-bar j arranged across thefront or the platen is carried at each end in arms j pivoted-at Itto forwardly extending arms is fixed to a rock shaft m. Coiled springs 1t connecting the arms on. and L serve to draw the scale bar j against the face or the platen. Applied to the rock shaft 71'. is a hand lcvcr'o from the hub of which extends aprojection o i Specification oi Letters Patent.

Patented Sept. 10, 1907.

low position one letter space below the line of print. To 'move the scale bar to the line of print, the lever 0 may be depressed by hand as in Fig. 2 until arrested by a second stop 0 This construction of feed or pressure rolls and alining or scale-bar is disclosed in my application, No. 288,968, filed November 24, 1-905 and need not therefore be more elaborately illustrated. v v

Projecting from the side face of one of the teeth of the pinion f is a lug p which, when the parts are in normal position with thefeed rolls in engagement with the platen and thescale-bar depressed, lies against the upper side of the scale bar operating lever 0. When, theredirectiomof the arrow to move the feeder pressure rolls away irom the platen and the pinion f and shaft raises the'scale bar to the printing line; All the parts the line of nt, means whereby it may at will be independently raised to the line of print, pressure rolls cooperating with the platen, means for moving them outof thepressure-rolls are so moved, the scale bar is moved from normal position to the line of print.

the line of print, means whereby it may at will he'independently raised to the line of print, pressure rolls cooperating with the platen, nieans for moving them out of operative relation to the platen, means'wh erehy wheu the pressure rolls are so moved, the scale bar is moved from normal position to the line of print and means for locking the pressure rolls in inoperative'position. 3. A rotatable platen, a scale liar normally'below the line of print, spring pressed rocking arms in which the scale bar is carried, a lever acting to move the scale bar to the line ofi print. pressure rolls. a lever for throwing them out of engagement and an operative connection by which when the rolls are thrown out of engagement with the platen the scale bar is moved to the line of print.

4. A platen, a'scalebar normally below the line of print, pressure rolls. means. for moving the scale bar to the line of print and simultaneouslymoving the pressnre rolls l have hereunto subscribed my EDWARD B. HESS. Witnesses Jon): M. Lnn,

f are rotated, the lug pcarries down' the lever o and will remain in the position described by reason of the I v v 1. A rotatable platen and a scale bar normally below" operative relation to the platen and means whereby when 2.'.A rotatable platen-ands scale bar normally below away from the platen. and means for moving'the scale bar- -iore, the feed roll operating lever i is moved in the

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