US853965A - Line-lock mechanism for type-writers. - Google Patents

Description

'P'ATENIED MAY 21, 1907 3- X- LINE LOCK MECHANISM FOR TYPE WRITERS;

APPLICAHONIFILED P33 1901. v

2 sums-sum 1.

11) Ye tfo-fl -No. 853,965. PATENTED MAYJZI, 1907. W. R. FOX. LINE LOOK MECHANISM FOR TYPE WRITERS. a

' APPLICATION: FILED FEB. 1,1907- JLJ m Witigesses:

'un'rrun sTATns PATENT ouuron. 7 WILLIA a. Fox, on GRAND, RAPIDS, MIcHIcAN-Q Limeook MscHAms'mFoR T YPE-wmTERs.

Specification of Letters Patent.

massa es. -MPatented May 21,1907.

Application filed February 1,1907; Serial No. 355.328-

Referring to the numbered parts of the Be it known that-I, WILLIAM R. Fox, a drawing, the frame 1 of my improved typeciti'zen of the United States,resi ding at the city of Grand Rapids, county of Kent and Fox typewriter. Transversely 5 State of Michigan, have invented certain new rear part of the frame is a fulcrum bar 2 o i and useful Improvements inLine-Lock echf fulcrumed by the key levers these anism for Type-Writers, of which the followin is a spec' cati key levers is the rocking locking bar 4, made e ofwhich is 'on. his invention relates to improvements-i of sheet metal, the lower ed 1ch serves to To all whom; it may} concern: I

'fulc'rums 3. Beneath t ewriters andit relates more particularly to improvements in line lock mechanisms for hereby the ke wra ped around a rod 5, w j stiffen the same, the ends of which project pewriters y levers wil be and form the pivots thereof, the same enterefiectively locked when the carriage reaches or-appr'oaches the end of its predetermine I in suitable bearings, preferably in bosses or 7 travel. p n the rear part of the frame on a The objects of this'invention are: First: pivot ro 6 18 the actua mg lever 7 or t e to provide a more direct connection than is ine lock which is bifurcated at its lower en usual between the carriage and the key e- The under member 7 extends into close yers; and second: to provide a simple acturoximity to the pivot 5 of the rocking bar 4 2o atin connection between the carria e and to actuate the same and throw it upwar at a the ine lock mechanism,whereby-- t e line very-slight touch or movement, the upper locking means "is eas actuated. direct from i the connecting lever wi hout. a special lin king lock-bar. A Further, objects, pertaining to detailsv of construction, will definitely appear from the detailed description to-follow."

I accomplish the objects of my invention.

member 7 of. the bifurcated part being at I and arranged as to engage-over the to of the rocking b into its elevated position-to retain it securely in that position, and affords advantage, so by the devices and means described in the the downward pressure at t e following specification.- I a rear end of the lever 7 is released, the action The invention is clearly defined and poirit- 9 will certainly be effective in ed out in the claims. V I the upper part of the lockingbar 4 Aportion of a typewriter necessary to illus-- downward, so that it'will drop trate the structure .and nature 0 my im-f rovements is clearly illustrated'in the'accompanying drawing forming a part of this specification, in which Figure 1 is a longitudinal detail sectional view through the frame of a Foxtypewriter, taken on a line corresponding to line 1--1 of Fig. 2, only a portion of the frame being only such of the type- The rearen of the lever crume'dat 6, projects out to the rear of e d is held normally upward by a light coiled spring 9, which connectsto the rear en upper p rt of the frame, trated, in Figs carriage issup orted on the rocking bar 10, so that It can e rocked out of engagement with the Sfl fit1s 3' 13 on the stop bar of the carriage. stoparm 16 has a bent lever -11 pivoted thereto, whic projects somewhat beyondthe stop 16 so as to be engaged by as is portions writer being shown as are-necessary to show roved line lock mechanism;

2 is a rear ele'vationview of. the struc ture appearing in Fig. 1; Fig. 3 is a detail view of the pivotal connection ofthe connecting lever-7 of my improved line lock; an

' Fig. 4 is a detail elevation view of proved rocking line-locking bar.

' in the drawin the sectionalviewsare taken looking int e directionof the little. arrows at the ends of-the section lines, and similar numerals I of reference 5 5 parts throughout the several views.

I that, when the carriage approaches the end of the line, the stop 't toward the d by when the some little distance from the center an 7 I curved somewhat like a hook, and is so posi-v the stop 13-jtoward, the right hand side of the writer is of the usual form of the frame of a 1 through the 6 suitable. adjustab' e I d 2. The stop 16 for the 13 will 7 is depressed, the forward end is thrown upclose proximity to the axis of the rocking ward, and the line locking bar is rocked to the line lock bar, and the upper member 7 being vertical position beneath the-key levers 3 and hooked to engage over the top of the bar locks t em against'further movement until when inthe vertical position and arranged to the lineilockisreleased. epressitrwhen the line lock lever is released; 7

e line lock is'released by actuating'the "and a rocking fiat. line locking bar 4 secured rock shaft 10, by suitable-connections to the b ey board, which throws the stoparm 1'6 and th the lever 11 out of engagement with the stop I 13, which permits the s ring 9 to actuate the line lock lever 7, which throws the rocking line lock bar downward, thereby releasing the keys of the machine. I

o the line lock member 7, an arranged so 7 hat in its vertical position it will prevent the depression of the key ever, all co-actmg substantiallyas described and for the purpose specified.

desire to remark that my invention per-- 3. In' the line lock for typewriters, the 80 r 5 tains to the means here described broadlyconsidered as well as to e specific details.

to the 'rear thereo a line l'ock lever pivoted p I the machine and having a rearwardly. 2o 1. Ina line lock for typewriters, the comeating carriage thereon; a suitable stop to cated lower ortion arranged to. engage a rocking, flat, li ne locking bar, the lower mem- 90 her 7 of said bifurcation extending straight and into close proximity to the axis of the rocking line lock bar, and the upper member '7 being hooked to engage over the top of the bar when in the vertical osition and 5 the line lock ever is released; and a rockin flat, line locking bar 4 secured by a suita le ivot at its lower edge within the ame of t e typewriter and extending upwardly between the 100 2 5 arranged in the path of the stop, wherebyit will be actuated bythe stop on the carriage a line lock-lever 7 pivoted in the machine,

normally upward; a connection from the line lock lever to the actuating lever, the line lock ever 7 being provided with a bifurcated said bifurcation extending straight and into close roximity to the axis of the rocking line lock gar, and t -upper member 7 being hooked to engage over the top of the bar when in the vertical position, and arranged 40 to depressit when the line lock is released;

for the purpose s ecified. r05

4. n a line 100 for a typewriter, the comination of the typewriter frame a reciproeating frame thereon; a suitable stop to the rear thereof; a line locking lever fulcrumed 1n the central portion of said machine, with no a suitable pivot at its lower edge within the b frame of the typewriter and extending u wardly between the bifurcated members of tlie 4 5 line lock member 7 and arranged so that in its vertical osition it will revent the depression of t e key levers, all co-acting substantially as described and for the purpose specified. v

. 5 2. In a line lock for typewriters, the com- .1) bination of the typewriter frame; the reciprocating carriage thereon; a suitable stop .to' the rear thereof ;.a pivoted stop arm 16; an actuating lever pivoted on said stop arm and arranged in the path of the stop, whereby it ar; and a line lock bar arranged beneath r15 by the bifurcated portion, to be actuated by t e, said lever, eo-acting for the purpose specified. I 1 '5; In a line lock'for typewriters, the com- 120 bination of the typewriter frame; a reciproeating carriage thereon; a suitable stop thereon; a line locking .lever fulcruined in the centra portion of said machine, with c0nnec 6o normally upward; a connection from the line lock lever to the actuatin levei', the line lock th lever 7 being provided with a ifurcated lower portion arranged to engage a rockin fiat line locking bar, the lower member 7' of the key levers and in position to be engaged said bifurcation extending straight and into by the bifurcated portion, to be actuated by 1 0 553, a '15 released; and a'rocking fiat line locking bar 4 Secure by a dge' the said lever; co-aoting for the purpose suitable pivot at its lower e specifie. Y

6, In a line lock for typewriters, the. com'-' within-the frame of the typewriter an ex- 0 bination of the typewriter frame a-reoiprow tending upwardl between the bifurcate 5 eating carriage thereon; a suitable stop members of-the ine-lock member-Tand ar- 1 thereon; a line locking lever fulcrumedin't e ranged so that. in its vertical position itwill central portion of said r'nach'in withbon prevent the depressiono ey ler'rer, all co-acting substantially asdeseribe'd andfor "25 l l l l nections arranged to be actuated by the stopof the carriage, an a ding the purpose spec e 0 portion bifurcated and arranged to engage a" flat, line locking bar, the lower n1ern-,--: hand land-l seal in the presence of two W111- beri7 of salad bifurcation exterlilding straight nesses; 7 an intocose' roximity oteaxis' t 1 p l rocking line locl; bar, and the upper Inenlber O -f f Witnesses:,-

l 15 7 being hooked to engage over 'the to '0' I 1 the bar W en in the verticalpositionan, are .ELLA DEVRIIIEB; A. WALCQTT. I

ranged to depress it'when the line lock lever 1. In witness whereof; I have hereunto set iny

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