US854080A - Controlling mechanism for machines acting on sheets. - Google Patents

Description

m. 854,08QL- PATJENTE'D MAY 21,1907;

, F; L. GROSS.' I v CONTROLLING MECHANISM FOR MAGHINES ACTING 0N SHEETS. E

' Arrmouxon FILED APR. 3, 1905. nnmswnn NOV.2, 1906.

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dei zw No. 854,080.. PATENTED MAY 21, 1907;

I F. L. GROSS.

CONTROLLING MECHANISM FOR MACHINES ACTING 0N SHEETS APPLICATION FILED 13,1905. xB-Knwnn 1107.2. 1906,

BEETS-BEBE 2'.

FRANK n cnoss, or

f To vol/I whom whim/y concern.-

nnirrnn s'rnms MAINE,

PATENT ()FFICE.

t MYSTIC, oo NEoTIc n AssicNon TO CROSS PAPER FEEDER COMPANY, OF BOSTON, MASSACHUSETTS, A CORPORATION OF- CONTROLLING. MECHANISM FOR MACHINES ACTlNGyON SHEETS.

Specification of Iietters Patent,

. Patented May 21,1907.

. Application filed April 3, 1905. Renewed NovemberZ, 1906; Serial No. 341.782.

Be it known that I, FRANK-L; CRoss, of .Mysticj, in .the county of New London and State of Connecticut, have invented certain new and useful Improvements in- Controlling Mechanism for'Machines' Acting on Sheets, of

which the following is'a specification.

whenever a sheet is not fedinto theproper position to be acted upon.-

The object of the invention isto provide a controlling mechanism of this character which shall be simple in construction and reliable'in operation and which may be readily adapted for use in connection with printing resses to which sheets are automatically fed h ism, the engagement of which is controlled y sheet feeding mechanism.

In practicing my invention I operate the "mechanism which throws the machine but of operation, through an arm connectedwith said mechanism and having its freee'nd ar ranged at one side of the path of thesheets.

The front end of the arm is provided with a shoulder or recess arranged in the path of movement of an actuator which is located on the opposite side of the path-of the sheets.

When a sheet is properly-fed it lies between In adapting my invention for use. in connection with printing presses, I arrange the arm which'is connected with'the throw-out mechanism, above the path of the sheets and with the shoulder or reces just back of the front ed e of the sheet w on the sheet is against t e front gages of the printing press. When the sheet is brou ht into position with the front edge against t 1e front gages, it lies below the shoulder or recess n the arm and in the path'of theactuator asit advances toward the shoulder or recess. I prefer to employlas an actuator, a bar arrangedto be reciorow-ied; in line with the shoulder or recess I and tov engage the under surface of the sheet when said sheet is properly positioned.

When the'sheet is properly. posit1oned'be.'

tween. the actuator bar'and the arm conn cted with the throw-out mechanism, the actua-v tor moves'along the underjsurface of the-,.

sheet during its advance movement and the engagement of the actuator with the shoul.

{191 or recess in the arm is prevented. In or;

tie! that the sheet may move to accommodate the movement "of the actuator, the-arm is pivotally supported to swing upward as the actuator passes along the under surface of the sheet, thereby lifting it. When the sheet is not in proper position theactuator during its advance movement engages the recess or shoulder on the arm and operates the throw.- out meehanism. This construction and arrangement enables the parts of the mechanby the presence of the 'sheet, to be. arranged "close to the surface of the impression cylinder and at the same time to act efficiently and positively in throwing the machine out of op- In these drawings showing'one side of a feed board for a print- .ing press with the controlling mechanism applied thereto. .Fig. 2 is a side elevation, certain parts being removed and other parts shown in section for the sake of clearness. Figs. 3 and} are enlarged details showing the free end of the arm through which the throw-out mechanism is operated. liS a'partial detail showing a modified form of connection between the arm and its support, and Fig. 6 is an enlarged perspective view showing a modifiediierm of connection between the actuator, bar and throw-out ",Inechanismfarmq;

In the constructionshown inthe drawings,

themachine out of operation so the arm throu h Figure 1 is a plan view.

A indicates the impression cylinder of a printing press to which the sheets are successively presented by being moved or fed intoposition against the front gages A of the press. The sheets may be fed by any suitable mechanism or by hand and when automatically fed the feeding mechanism should be driven by suitable connections with the mechanism for operating the press,

so that both the feeding mechanism and the press be thrown out of operation simultaneously in case a sheet is not properly presented and registered against the front gages.

In the-construction shown in the drawings known construction, such for instance as an 1 electric switch or mechanical or electric devices which are either released or operated by the movement of the link C The sleeve C is loosely mounted upon a rock shaft D which extends transversely of the machine above the sheet support B. The sleeve C remains at rest so long as the sheets are properly fed. The sleeve rocked, however, to operate the arm C and connected parts \of the stop mechanism in case a sheet is not properly fed through an arm C connected with the sleeve.

The arm C extends in an'inclined direction toward the line of the front gages A and is so arrangedthat its free end lies above the sheet when the sheet is in position against the front gages. A recess C is formed in the under side of the arm C near its free end and the end of this recess forms a shoulder C which lies just back of the line of the front gages This shoulder is also arranged in position to be engaged by the end of an actuator bar E arranged below the path of the sheet and 'reciprocated in. a line intersecting the path of the sheet and passing through the shoulder i The reciprocation of the acutator bar E is so timed with relation to the feeding mechanism that the bar E is advanced. just after the front edge of the sheet engages the front when the sheet is properly fed. With the sheet in' this position the front end ofthe bar it advances, presses against the under surface of the sheet which rises somewhat as the bar advances so that the end of the bar passes idly by the shoulder C. In order to accommodate the upward movement of the sheet as the actuator bar advances, the arm Ct is'pivotaily supported a manner which just-ed to vary the position of the arm.

will be further explained. In case the sheet is not properly positioned against the front gages, then as the bar E advances it engages the shoulder C" and carries the arm C forward with it, thus rocking the sleeve C and:

tudinally. In order that these adjustments may be conveniently and simultaneously effected in such manner that the shoulder-C will be adjusted in line with the movement of the reciprocating bar E, I prefer to support the arm C in the manner shown in Fig. 2'.

I As shown in this figure and in Fig. 1, the arm C is pivoted at its rear end to one end of a lever C which is in turn pivoted to an arm C secured to the sleeve C. The opposite end of the lever C is held by means of a spring C in engagement with an adjusting screw C mounted in the arm C By turning the screw C the lever C may be swung about its pivot to move the arm longitudinally and thus carry its free end forward or back in the line of travel of the sheet.

In order that the end of the arm may be maintained at the proper height as it is adjusted with relation to the line of the front gages, the arm is supported by means of an adjusting screw C upon'an inclined support (1. The support is properly shaped with relation to the path of movement of the pivoted end of the arm C to maintain the free end of the arm in proper relation to the recip'- rocatihg actuator bar as the lever C is ad- In order that the arm C may turn about its pivot and accommodate the rocking movement of the sleeve C when the arm is advanced by the engagement of the actuator bar with the shoulder C the support C is yieldingly mounted upon the arm C shown, this support is formed at the lower end of a lever 0 the upper end of which car- Since the ries an adjusting screw C arranged to bear gages, the supports C are adjustably secured upon the sleeve screws C E may be conveniently adjusted transversely by means of clamping of themachine to correspond to the adjust- ,"ment of the arms C these bars are adjustably connected with a transverse bar 9; This bar E is provided at opposite ends with guiding slots E embracing fixed pins E and the bar is reciprocated to advance and re tract the-actuator bars through links E connecting the ends of the bar E with arms-E which are jsecured to the rock shaft D. The rock shaft D may be operated at proper intervals through a linkE pivoted atone end to an arm E secured to the rock shaft-and connected at the other end with any suitable operating means.

In Fig. 5 I have shown a modified con-- struction in which the arm 0 is secured to a lever C In this construction-provision 18 made for the longitudinal adjustment of the der C in line with the actuator bar E. The interposed spring 0 formsa yielding sup port which enables the arm C to swing about its pivot as the arm is moved forward by the actuator bar in giving the arm and sleeve C a rocking movement. In Fig. 6 I have shown a modified construction for efl'ecting the connection between the actuator bar 'and'the arm through which the throw-out mechanism is'operated. In this construction the recesses 0* exten through the end of thearm c? and the actua torbar is provided with fingers e adapted to pass through the recesses c.

When the shoulders c engage the arm 0 this engagement in connection with the engagement of the shoulders c with the under -.surface of the fingers e lock the actuator bar and arm 0 together so that the arm is carried forward with the actuator barl While I prefer to use a construction and arrangement substantially like that shown in it will heunderstoodthat the details of construction and arrangement maybe Nariously modified and changed 'without defparting from the invention. l a Without attempting toexplain in detail the VEtIiQUSfiOIlS'tIjlltlOIlS' in which the invention may be embodied, what I claim and desire to secure by Letters Patent is 1. Controlling mechanism for machines.

acting on sheets, having in combination In order that the actuatorbars acting on sheets front gages against which the sheet is registered, throw-out mechanism, an arm con- 'nected therewith arranged atone side of the path of the sheet and provided with a shoulder back of the line of front gages, an actuator arranged on the opposite side of the path of the sheets and rendered inactive by an in "terpo'sed sheet. I g c 2. Controlling mechanism for machines acting on sheets, having incombination iront gages against which the sheet is-registered, throw-out mechanism, an arm connected therewith arranged at one side of the path of the sheets, a recess in said arm back of the line of the front gages, and an actuator adapted to engage said recess in the absence of a sheet between the arm and actuator.

Controlling mechanism for machines acting on sheets, having in combination throw-out mechanism, an arm connected therewith and arranged above the path of the sheets, a recess in said arm, and an actuator arranged below thepath of the sheets and adapted to engage said recess in the absence of a sheet between the arm and actuator.

4.. Controlling mechanism for machines acting on sheets, having in' combination throw-out mechanism, an arm connected therewith and arranged above the path-of the i sheet, a shoulder onsaid arm located above the edge of the sheet when in position, and an actuator arranged below the path of' the sheet and adapted to engage said shoulder in the absence of a sheet between. the arm'and actuat0r.-

5.. Controlling. mechanism for machines acting on sheets; havingin combination throw-out mechanism, an arm connected therewith, and -'a reciprocating actuator between which and the arm the sheets pass, a

shoulder onsaid arm in line with the move ment of the actuator, and means for adjusting said arm to vary the position of the shoulder in said line. c

6. Controlling mechanism for machines. acting on sheets, having in combination throw-out mechanism, an arm connected therewith andhaving its free end'above the path of the sheets, a recess in the free end of the arm, and areciprocating-actuator bar arranged below the path of the sheets.

7. Controlling mechanism for machines acting ,on sheets, having in combination throw-out mechanism, an arm yieldingly connected therewith and having its free end arranged above the path of the sheets, a recess in the free end of the arm, and a'reciproeating actuator bar arranged below the path of the sheets.

8. Controlling mechanism for machines having in combination throw-out mechanism, an inclined arm pivotally connected therewith and having its free end arranged above the path of the sheets; a reciprocating actuator below the path of the sheets, a shoulder on tlie arm in Y acting on sheets having in combination,

line with the movement of the actuator, and means for adjusting said arm longitudinally and vertically.

9. Controlling mechanism for machines acting on sheets, having in combination front gages against whi h the sheet is registered, an arm having its free end arranged above the path of the sheets, a shoulder on said arm back of the line of the front gages, a

reciprocating bar arranged below the path of the sheets and prevented from engaging said shoulder by the sheet, and throw-out mechanism connected with said arm.

10. Controlling mechanism for machines front gages againstwhich the sheet is registered, throw-outmechan'ism, a connected;

arm inclined toward the front gages and hav ing its free end above the path of the sheets, a zo shoulder on said arm, a reciprocating actua tor bar below the path of the sheets and prevented from engaging said shoulder by the sheet.

In testimony whereof I have alIiXed my 25 signature, in presence of two witnesses.

FRANK- L. CROSS. Witnesses:

IRA L. Fisn,

KATHARINE A. DUGAN.

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