US1212939A

US1212939A - Carriage-feed mechanism.

Info

Publication number: US1212939A
Application number: US85559014A
Authority: US
Inventors: George F Handley
Original assignee: Royal Typewriter Co Inc
Current assignee: Royal Typewriter Co Inc
Priority date: 1914-08-07
Filing date: 1914-08-07
Publication date: 1917-01-16
Anticipated expiration: 1934-01-16

Description

G. F. HANDLEY.

CARRIAGE FEED MECHANISM.

APPLICATION FILED AUG-7, 1914.

1,21 2,939. Patented Jan. 16, 1917.

WI T NE 8855:

A TTORNE Y screw hearing against the trip UNITED STATES PATENT OFFICE.

GEORGE F, HANDLEY, O1? GLENDALE. LONG ISLAND, NEW YORK, ASSIGNOR T0 ROYAL TYPE'WRITER COMPANY, INC., OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

CABRIAGEFEED IVIECI-IANISM.

Specification of Letters Patent.

Patented J an. 16, 15117.

To all whom it may concern.-

Iie it known that 'l', Gnouon F. Hammer, a citizen of the U: 'ted States 01 America, residing in Glendale, Long Island, county of Queens, and State of New Yorlc, have invented a certain new and use lul improve invention are adapted to he applied to all eseapenient devires oi the cln'n'aeter shown in the :wcoinpanying drawing, (to which reference will now he made) they are illustrated asapplie'd to the escapeinent rocker and universal. bar of the Royal t vpewriting machine.

Figure l is a side elevation of an escape- 'lnent wheel, dog-carrying rocker 'and uni versal har showing some parts in section; Fig. 2, a rear elevation of the same with the universal liar removed; Fig' 3, a plan view of the rocker and'dogs carried thereoy. Fig. 4, a side elevatiorrrt the anti-friction roller f01' (!OIltilCt with the trip plate of the nni versal oar and the spring by which it is connected to the roelrer plate. Fig. 5, a rear elevation of the same; and: Fig. (3 illustrates the. Gkhjhlit'lllG-Ilt dogs, the lilnber or teed dot: heingprovided with a. roller not shown in the other views of the drawings.

. The rocker plate'T- is held between center hearings S, 3, in the "frame 9. The eseapement wheel rotates on a stud 11 extending froi-nframe 9 and the universal liar 12 rocks on shaft '13 held in the nain frame, as in the Royal typewriting machine.

Hei etofore the lower extension of the rocker plate. 7 has. been provided with a. plateof the universal bar to cause the rocker to move eaelr time thenniversal bar is moved; and. during said movements, a rulihing action occurs between the end of the screw and. the trip plate since the center 8 of the rocker and center 13 of rocking motion oi the uni versal bar are in angular positions relative to the plane of the trip plate, The wear mg of these parts, though .slig ht in the course 0| time distal-he the adjustment. A. roller ll preferahly barrel-shaped, is pro vided and is located between the roelrer plate and the trip plate to avoid the ohjectione due to the aforesaid construction. ride for proper adjustment of this rolier 1.4, it is preferably rarried in ears torn on the. end oi a spring, 15 secured at its upper part to the rocker T and an adju ting; scie'i-v provided with a locl; nut 16 pi. ses throijlgh the lower extension 17 of the roelrer plate and ahuts against the spring 15, aaiizl extension lazing hent forward to in manila e the roller'and spring The s is also similarly heat to eaiiiee it to been against the screw. M

18 designate: a. screw against the headed end of which the rocker plate 7 is held by the action of a spring 19 to hold the (logs in normal position relative to the escapenient wheel 10, as shown in Fig. 1. This view also shows the universal har partly, moved forward with its trip plate 20 about to act on the roller ll. The trip plate 20 is connected to the universal bar 12 in such manner that its working face may he align larly adjusted, thus 'irovirling for perfect adjustment of all working parts espeeially when case shit't printing done. A. suit able means for thus setting the trip plate 20 is shown ronsisting; oi and 2&2 which eminent a side e3: plate to a 'lornari of the universal liar, passing through aslot in the extension and thus permitting the trip plate rocked on screw ilihsaid sore wsbeing Similarrleviees are employed at the opposite end of the universal bar.

.25 indicates a key rod or iink (ti/tilt the universal bar and which may cratei'l in the usual way.

A. ro ler 26 constitutes the rigid or dog, being held on a vertical pin carried in a bracket 27 at the upper end of the rocker plate. The feed or liinher dog. 28 rocks on the screw studQS) on the rocker plate and hy aspring 30 held against pin 33. when the plate '7 roehed and moves the dog 28 out iii action and the dog 26 into action with escapenient wheelie, as ehown "in' Fig. 2. \i'hen the liinher dog is moved into active To prc of the feed on limber dog position and the escapement wheel acts thereon against the tension of spring its .movement is arrested by the adjustable stop 32/ The bracket 27 is bent at an angle pro- 5 viding an inclined clearance surface 33 and the back of the limber dog 23 is also inclined as at 34, see Fig. 3). By this construction,

the relation of these angular surfaces to the toothed escapement wheel is such that maximum speed of operation of moving parts may be attained.

. To avoid friction of the parts and insure ease of operation to the fullest extent, it is found advisable to apply to the upper part 28 a roller 35, similar to the roller 26, but fitted to rotate on a stud end extension, as shown in Fig. 6. Both of these rollers 26 and 35 are egg or car shaped so as to act freely and fairly on the teeth of the escapement wheel 10.

It is evident that it is not absolutely essential that the escapement trip roller 14.- be carried on the rocker plate 7 to perform its functions. It may be carried on the uni- 5 vers'al bar and act on a trip surface on the rocker plate; and this, with other changes of mechanical construction retaining substantially the functions of structures as here shown and described, would come within the limitations ofthe skilled mechanic.

I claim: v

1. An escapement rocker plate for typewriting machines provided with-a spring supported contact roller adapted to engage the universal bar of the machine and provided also with an adjusting screw operating.on the spring to vary the position of the roller relatively to the rocker plate.

2. The combination with the universal bar of a typewriting 1na'chine,.of an escape: ment rocker plate, a spring secured thereto,

a roller carried by the outer end of the spring and adapted to make contact with the universal bar, and an adjusting screw carried by the plate and bearing on the spring in. rear of the roller for varying the position of the roller between the rocker plate and universal bar. v

3. A carriage feed mechanism for typewriters comprising an escapement rocker plate, a universal bar adapted to be actuated by all of the type keys, a spring secured to the rocker plate, a roller carried at the end of the spring arranged to contact.

with the universal bar and an adjusting screw passing through the rocker plate and bearing against the spring for varying the distance between the roller and rocker plate.

t. A carriage feed mechanism for typewriters, comprising a vertically arranged escapement rocker plate having a rearwardly bent portion at its lower end, a spring attached to the rocker plate and carrying an anti-friction roller, and a universal bar provided with a contact plate engaged by said rocker.

In te'stimony whereof, I .have hereunto subscribed my name.

GEORGE F. HANDLEY. Witnesses:

E. A. Hess, H. C. JAGAU.