US1619530A

US1619530A - Typewriting machine

Info

Publication number: US1619530A
Application number: US92491A
Authority: US
Inventors: Lewis C Myers
Original assignee: Royal Typewriter Co Inc
Current assignee: Royal Typewriter Co Inc
Priority date: 1926-03-05
Filing date: 1926-03-05
Publication date: 1927-03-01
Anticipated expiration: 1944-03-01
Also published as: GB267093A

Description

1 1927. March L. 'c. MYERS 'TYPEWRITING MACHINE Filed March's, 1925 2 Sheets-Sheei 1 March 1 1927. 1,619,530

L. C. MYERS TYPEWRITING MACHINE Filed March 5, 1.926 2v Sheets-Sheet 2 Patented Mar. 1, 1927.

UNITED STATES 1,619,530 PATENT OFFICE.

O. IYEB 8, OF FBEEPOBT, NEW YORK, ASSIGNOR T0 ROYAL TYPEWRITER COM- PANY, IIN'Q, 01' NEW YORK, N. Y., A COBIPORATION OF NEW YORK.

TYPEWBITING MACHINE.

Application filed March 5, 1926. Serial No. 92,491.

It is frequently desirable to feed paper to a typewriting machine either alone or associated with a carbon sheet, from a roll of paper, and in such cases it is also desirable that the roll shall have an endwise movement in unison with. the carriage of the typewriting machine in order that the paper may be fed in a direct line to the platen at all times. If such a roll carrying attachment is supported on the carriage, it so increases the weight thereof as to render the carriage more or less sluggish in action and imposes added work upon the typist in removing the carriage to begin a new line.

An object of this invention is to construct a roll carrying attachment which may be adapted to carry one or a pluralit of rolls of paper or similar material, whic attachment shall be supported entirely by the main frame of the machine, and will run freely on trackways carried b said main frame so that none of the weig t of the attachment is imposed on the travelling carriage of the typewriter. The invention embodies a simple and efficient attachment for thls urpose which will bemore articularly disc osed 1n the following detaiFed description and set forth in the appended claims.

In the drawmgs:

Figure 1 is a side elevation of a portion of a typewriting machine provided with the attachment constituting the subject matter of this invention with some parts in section.

Figure 2 is a fore and aft section of the platen and associated parts showing the pa er severing knife.

igure 3 is a front view of the roll carryin attachment detached from the machine.

Tigure 4 is a top plan view of the same.

Fi ure 5 is a front elevation of one side mem r of the roll holding frame.

F i ure 6 is a similar view of the other side mem r.

Figure 7 is a side view of the member shown in Figure 6.

Figure 8 is a pers ective view of the spindle for the paper re 1.

Figure 9 1s a detailed view'showmg the operative connection between the typewriting machine carriage and the roll supporting frame.

From many points of View the invention is applicable to any of the usual commercial t pewriters, but it is illustrated in connection with the standard Royal machine, for

which it is in some ways, particularly adapted. There is disclosed a portionbf a main frame A in which is supported a shift frame B upon whlch travels the" carriage C by means of interposed ball bearings D. The carria e supports the usual platen E which is shif table, as indicated by dotted line pos1t1on in Figures 1 and 2 and against the front side of which strike the usual type bars D. The laten is provided with front piiper feed rol s G and rear paperfeed rolls operated by the usualrock shaft I. The carriage also embodies the usual paper apron K. Side arms L are pivoted to the sides of the paper carriage at M and at their front ends are connected by a rod N upon which are adjustably mounted paper feed rolls 0 which are adapted to engage the top of the platen. Tlns construction is or may bethat of the usual paper holding bail of a Royal typewriting machine. There is also shown in the drawings a tabulator stop rod P.

Attached to the top plate at the rear of the machine by screws 2, are bracket members 1, each of which has a vertical portion 3 and a lower horizontal portion 4 terminating in an car, through which passes an adjustable screw 5, the end of which engages the mam frame of the machine. By a. proper ad ustme'nt of these screws 5, the brackets may be positioned when the parts are assembled. A vertical member 6 is attached to each portion'3 of the bracket by rivets 7 and at its upper end hasthe horizontal ortion 8 to which a track rail 9 is attache by a screw 10. The member 6 has a lower horizontal pprtion 11 to which a lower track rail is attac ed by a screw 13. The construction thus far described results in a. track for the paper frame which is carried solely by the main frame of the typewriting machine and is simple in construction and readily attached to or detached from said frame.

The roll supportin frame includes a top member 14 having downwardly extending side portions 15 to which a. bottom member 16 is attached b rivets 17. A brace 18 also connects the si e members 15 intermediate their ends and is attached thereto by rivets 19. The member 14 isprovided with a number of openings 20 for a purpose hereinafter set forth. The upper portion of the roll supporting frame comprises aside member 21 shown in Figure 5, corresponding side membar 22, shown in Figures 6 and 7, both membars being substantially right angular in similar to the openings 20 in the member 14.

The

side members

21 and 22 can be adjustably positioned with regard to the member 14 and held in position y thread screws 24 passing through the openings 23 and threaded into tapped holes 20 in the member 14.

The brace 18 of the lower portion of the frame carries two or more double coned ball bearing rollers 25, each mounted to rotate-freely on apivot 26 which is carried by said brace. This pivot 26 ma be threaded at each end and provided witnuts whereby its position may be adjust-able relative to the brace 18. The lower connectln crosspiece 16 also supports two ball caring rollers 27 which are mounted to rotate on ivots 28, passing through said brace 16 and held in position b nuts. Held in posit on by these same mem ers 28 are clips 29, which extend forwardly and upwardly to partially surround the rail 12 and prevent any accidental displacement of the rollers 27 from engagement with the track rail 12.

The upper ends of the

side members

21 and 22 are provided with open end slots 30 adapted to receive spindles 31 for the paper roll. These spindles are provided near each end with a groove 32 outside of which is a knurled portion 33 for convenience in handling. It will be noted that the ,whole weight of the attachment and roll lies to the rear of the supporting rollers 25. For this reason the lower rollers 27 are mounted horizontally and rest against the rear of the track rail 12, thus resisting the tendency of the whole frame to swing rearwardly. The use of the-double coned rollers 25 in connection with a round track rail enables the frame to adjust itself to any inequalities of position and to run freely without placing any strain upon the carriage of the typewriting machine.

Attached to the right hand member 15 by the same rivets 19 which hold the brace 18 in position, is an outwardly and forwardly extending arm 34 provided near its front end with an elongated opening 35. In this 0 ening fits a pin 36 carried by a member 3 having an openin 38 which fits over the tabulating stop bar at its, end and is held in position by the adjusting hut of said rod. The member 37 has a forwardly extending ear provided with an opening 39 through which passes a fastening member 40 into the side frame of the carriage. It will be observed that any relative fore and aft} movement between the carriage and the paper roll supporting attachment which may be rendered necessary in assembling the arts or may be produc in operation, will be permitted by the elongated slot 35.

The roll carrying rod N is provided with arms 41 to which is attached a right an ular member having a horizontal cutting edge 42 providin a paper cutting knife. Any movement 0 this member in one direction is limited by the stops 43.

Paper fed from the roll will pass downwardly over the usual paper table K between the platen and the front and rear feed rolls u over the front of the platen and under t e feed rolls Oand knife 42. Whenever a form is completed or a sheet of desired length has been written, the papers will be fed forward until the bottom of the sheet registers with the edge of the paper knife, whereupon it can be readily torn off.

It will be noted that the roll holding attachment hereinbefore described places no extra weight upon the typewriting'machihe carriage and that due to the particular track upon which said frame travels, it'impose's but little additional work upon the end wise movement of the typewritingmachine. Due to the elongated pin 36 the-up and down shifting movement of the platen car riage may take place without in any way effecting the operative relation between. the carriage and the aper roll carrying attachment. The attachment may be removed in whole or in part readily or may be disconnected from the typewriting carriage. It is especially to be noted that the provision of this attachment in no way modifies any of the usual members of the typewriting machine, nor interferes in any way with the usual ordinary eflicient operation. 'It is obvious that various details may be modified and that parts of theinvention may be used in other relations without. in any way departing from the spirit of the invention. It is also to be understood that the attachment'may be used with typewriting machines, combined typewriting and computing machines,-

or any devices of similar character, in which a paper roll supporting frame is designed to have endwise movement simultaneously with the carriage of a writing or similar machine. Wherever the term typewriting machine is employed in the claims, it is to be understood as .having this broader significance. In general, it maybe stated that the invention is to be regarded as limited only by the scope of the appended claims.

I claim:

1. A roll carrying attachment for writing machines comprising brackets supported by the machine frame and provided with up r i and lower track rails; and a roll supporting frame havmg'double coned rollers running .on top of said upper rail, and rollers running on the rear side only of said lower rail; the center of gravity of the roll supporting frame being in the rear of a vertical plane passing through said track rails.

2. roll carrying attachment for writing machines comprising brackets supported by the machine frame and provided with upper and lower track rails; and a roll supporting frame having double coned rollers running on top of said upper rail, rollers running on the rear side only of said lower rail, and

means preventing accidental disengagement of the rollers and lower rail; the center of gravity of the roll supporting frame being in the rear of a vertical plane passing throu h said track rails.

3. roll carrying attachment for writing machines comprising brackets supported at their upper ends by'the machine frame and having at their lower ends adjusting screws which pass therethrough and bear against said machine frame, and upper and lower track rails supported by said brackets; and a roll supporting frame having double coned rollers running on top of said upper rail and rollers-running on the rear side of said lower rail; the center of gravity of said roll supporting frame being in the. rear of a vertical plane passing through said track rails.

4. A roll carrying attachment for writing machines comprising brackets supported by the machine frame and provided with upper and lower trap rails having curved contours; and a roll supporting frame having s aced double coned rollers running on top 0 said upper rail and rollers running on the rear side of said lower rail; the center of gravity of the roll supporting frame being in the rear of a vertical plane passing through said trap rails.

5. A roll supporting attachment for writing machines com rising brackets supported by the machine rame and provided with track rails, a roll support proper running on said track rails and composed of a lower portion and an upper portion adjustably mounted thereon, and loose connections between the carriage of the writing machine and the lower portion which compel moveable for case shift, comprising a supporting track carried entirely by the machine frame, a roll support having a lower portion running on said track and an upper portion.

adjustably mounted on said lower portion, and loose connections between the carriage and the roll support which compel the carriage and support to travel in unison but permit independent shifting movements of the carriage.

7. A roll supporting attachment for typewriting machines having a carriage shiftable for case shift, comprising a supporting track adjustably carried by the machine frame, a roll su port having a lower portion running on sai track and an upper portion adjustably mounted on said lower portion, and loose connections between the carriage and the roll support which compel the carriage and support to travel in unison but permit independent shifting movements of the carriage. and independent adjustment of the supporting track.

8. A roll supporting attachment for writing machines comprising a supporting track entirely carried by the machine frame; and a roll support comprising upper and lower portions, the lower portion running on said track and having a horizontal portion provided with a plurality of spaced openings, and the upper portion composed of two side members aving bases also provided with openings, and means for fastening the side members adjustably to said-horizontal portion.

In testimony whereof, I have hereunto subscribed my name.

LEWIS C. MYERS.