US723108A - Stop-motion for printing-presses. - Google Patents

Stop-motion for printing-presses. Download PDF

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Publication number
US723108A
US723108A US11605802A US1902116058A US723108A US 723108 A US723108 A US 723108A US 11605802 A US11605802 A US 11605802A US 1902116058 A US1902116058 A US 1902116058A US 723108 A US723108 A US 723108A
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Prior art keywords
printing
stop mechanism
shaft
detector device
stop
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US11605802A
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George R Williams
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ECONOMIC MACHINE Co
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ECONOMIC MACHINE Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/18Modifying or stopping actuation of separators

Description

No. 723gl08'. PATENTED MAR. 17,1903.
G. R. WILLIAMS.
STOP MOTION FOR PRINTING PRESSES. APPLICATION FILED JULY 18. 1902.
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. flTfa fwenia I-No. 723,108. PATENTBD MAR. l7I .1903. G. H; WILLIAMS- STOP MOTION FOR PRINTING PRESSBS; APPLIOATION FILED JULY 18, 1002.
no MODEL. 2 sums-sum 2 figinssesfi r I Iv/0822507.
UNITED STATES PATENT FEicE.
GEORGE R. WILLIAMS, OF BROOKLYN, NEW YORK, ASSIGNOR TO ECONOMIC MACHINE COMPANY, OF NEW YORK, N. Y.
STOP-MOTION FOR PRINTING-PRESSES.
SPECIFICATION forming part of Letters Patent No. 723,108, dated March 1'7, 1903.
Application filed July 18, 1902.
To all whom it may concern.-
Be it knownthat I, GEORGE R. WILLIAMS, a citizen of the United States, residing at New York, in the borough of Brooklyn, in the county of Kings, inthe State of New York, have invented new and useful Improvements in Stop-Motions for Printing- Presses, of which the following is a specification.
This invention relates to an automatic stop-motion for printing-presses and other machines of the character described in my application for United States Letters Patent filed ofevendateherewith and which is intended to stop the machine or throw it out of action when the material being acted upon sticks or adheres to the form, so as to interfere with the proper delivery of the material or prevent a perfect subsequent impression. The stop-motion described in said application is held out of action by an electrically-releasable latch controlled by detector mechanism arranged adjacent to'the form and actuated by the material which sticks to the form.
The object of the present invention is to provide a simple and efficient mechanically-I operated releasing device for the stop mechanism.
In the accompanying drawings, consisting of two sheets, Figure 1 is a side elevation of the feed end of a printing-press provided with an attachment embodying the invention. Fig. 2 is an enlarged fragmentary transverse section showing the detector devices and associated parts. Fig. 3 is a sectional elevation in line 3 3, Fig. 2. Fig. 4 is an end elevation of the stop mechanism.
Like letters of reference refer to like parts in the several figures.
The invention is herein described, and shown in the drawings, as applied to the wellknown bed-and-cylinder printing-press; but it is not limited in its useful applications to such a machine. The stop mechanism may be arranged to trip the cylinder, shift the belt, and apply the brake, either oral]; but it is only necessary to stop the press when the paper sticks to the form, and in the present application a stop mechanism is employed which only shifts the belt and applies the brake. I
A represents the stationary frame; B,
Serial No. 116,058. (No model.)
the impression-cylinder; B, the reciprocating form-bed; C, the feedboard, and C the delivery-cylinder for taking the sheets from the impression-cylinder and delivering the same to the discharge mechanism. (Not shown.) D represents the footboard, E the hand-lever for shifting the belt in stopping and starting, and E the foot-spindle for applying the brake. These parts are all of ordinary construction.
The automatic stop mechanism shown in the drawings is arranged at the side of the press and is constructed .as follows: F represents a rock-shaft which is journaled in suitable bearings fand is connected to the handlever E and the brake-spindle E, so that by rocking this shaft the belt is thrown off and the brake applied. The rock-shaft is connected to the hand-lever by an arm f and a rod f and to the brake-spindle by an arm f and rod f-. The rock-shaft is rocked by a weight G, which is adjustably secured to the outer end of a weight-lever g, which is fulcrumed at its inner end on a fulcrum-pin g, projecting from a suitable standard g The weight-lever is connected intermediate of its ends by a link g with the outer end of an arm 9 fixed to the rock-shaft. The rockshaft is controlled or held from movement by a latch which is controlled by the detector mechanism.
H, Fig. 4, represents the latch, which is pivoted to a forwardly-projecting portion of a standard h. it represents a rock-arm secured to the rock-shaft adjacent to said standard hand connected with the upper part thereof by a toggle-joint consisting of a lower link h pivoted to .the rock-arm, and an upper link 77?, pivoted to the standard. The upper link is provided below the joint of the toggle with a bolt-socket, in which is arranged a spring-pressed catch-bolt 7%, adapted to be engaged by the latch H. When the latch is lifted by the detector mechanism, the catchbolt is released and the weight Grocks the rock-shaft to operate the hand-lever and brake-spindle. The stop mechanism above briefly described is shown and fully described in my application for United States Letters Patent filed March 18, 1902, Serial No. 98,738. While this mechanism is preferred in 00111160- tector device arranged opposite to each lon-.
gitudinal space formed in the printing-form between the raised portions thereof. The detector devices are pivoted or hung on pivot-' pins 2', secured by brackets to a supportingbar t", which extends transversely over the form-bed and is secured at its opposite ends to suitable portions of the stationary pressframe. The lower edge of each detector device is preferably curved or rounded and projects into the longitudinal space between the raised portions of the printing-form, slightly below the upper surface of the latter, so. as to be engaged and oscillated by the sheet or portion of the sheet being printed sticking or adhering to the printing-form.
J represents a ratchet-shaft whichis journaled in suitable bearing-brackets j, fixed to the stationary frame of the press, and extends transversely over the form-bed parallel with the supporting-bar for the detector device. The shaft is positively driven from some moving part of the machinefor instance, by means of a beltj, running around pulleys j j secured, respectively, to the adjacent end of the impression-cylinder shaft and ratchet-shaft J. The ratchet-shaft is provided adjacent to each detector device with a ratchet-wheel K.
L represents a pawl or rock shaft which is arranged parallel with the ratchet-shaft and is journaled in suitable bearing-brackets Z, secured to suitable portions of the stationary press-frame. The pawl-shaft is provided adjacent to each ratchet-wheel with a rock-arm l, to which is pivoted a pawl P, which extends toward the adjacent ratchet-wheel and is provided with a tooth adapted to cooperate therewith. The free end of the pawl is supported below or out of engagement with the teeth of the ratchet by an upright flange or portion carried by the supporting-bar for the detector device. Each detector device is provided with an upwardly-extending arm or finger Z which lies beneath and is adapted to engage and lift the free end of the pawl when the detector device is rocked on its pivot.
When any one of. the detector devices is oscillated by the engagement therewith of the material which sticks to and moves with the printing-form, the adjacent pawl is raised by the arm Z on the detector device into engagement with its ratchet-wheel, which draws the pawl forward and rocks the pawl-shaft L. The movement of the pawl-shaft is transmitted to the latch which controls the rockshaft of the stop mechanism by any suitable connections. In the construction shown a rock shaft M, Fig. 1, is provided, which is journaled in suitable bearings depending from the footboard. This shaft is provided at one end with an arm m, which is connected by a link on with a rock-arm m fixed to the end of the pawl-shaft. The other end of the shaft M is provided with a rock-arm 'n, Fig. 4, which is connected by a link n with the free end of the latch H. When the pawlshaft is rocked, as above described, the shaft M is also rocked and the latch lifted to disengage the catch-bolt on the toggle connected to the rock-shaft F of the stop mechanism and release the latter to permit the weight G thereof to operate the shaft and throw off the belt and apply the brake.
I claim as my invention-- 1. The combination with a printing-press or the like, of a stop mechanism therefor, a movable detector device operated by the engagement therewith of the material to be operated upon when it'sticks to the form, and movable connections between said detector device and said stop mechanism whereby the movement of the detector device operates to release said stop mechanism, substantially as set forth.
2'. The combination with a printing-press or the like, of a stop mechanism therefor, a movable detector device arranged adjacent to the form and adapted to be operated by the material which sticks to said form, and movable connections between said detector device and said stop mechanism whereby the movement of the detector device operates to release the stop mechanism, substantially as set forth.
3. The combination with a printing-press or the like, of a stop mechanism therefor, a pivoted detector device arranged adjacent to the form and adapted to be oscillated by the material which sticks to said form, and movable connections between said detector device and said stop mechanism whereby the movement of the detector device operates to release the stop mechanism, substantially as set forth.
4. The combination with a printing-press or the like, of a stop mechanism therefor, a releasing device for said stop mechanism, a detectordevice arranged adjacent to the printing-form and adapted to be moved by the material which sticks to said form, and movable connections between said detector device and said releasing device whereby the movement of the detector device operates said releasing device, substantially as set forth.
5. The combination with a printing-press or the like, of a stop mechanism therefor, a detector device arranged adjacent to the form and adapted to be operated by the material sticking to said form, a positively-driven part, means operated by said detector device adapted to be connected with said positively-driven i part,and connections between said means and said stopmechanism for releasing the latter,
substantially as set forth.
6. The combination with a printing-press pivoted detector device arranged adjacent to the form andadapted to be oscillated by the .materialsticking to said form,a positivelydriven part,and mechanism controlled by said detector device for connectingsaid releasing device with said positively-driven part, substantially as setforth.
7. The combination with a printing-press or the like, of a'stop mechanism therefor, a releasing device for said stop mechanism, a
rotaryshaft, a detector device arranged adforth.
jacent to the printing-form and adapted to be operated by the material sticking to said form, and-mechanism .,controlled by said detector device for connecting said releasing device with said rotary shaft, substantially as set 8. The combination with a printing-press or the like, of a stop mechanism therefor, a releasing device for said stop mechanism, a rotary shaft, a ratchet-wheel thereon, a'pawl,
a detector devicegarrang'ed adjacent to the i printing-form and adapted to be operated by 9539 the material sticking to said form to move said pawl into engagement with said ratchet,
and connections between'said pawl and said releasing device, substantially as set forth.
9. The combination with a printing-press or the like, of a stop mechanism therefor, a releasing device 'for said stop mechanism, a
rotary shaft, means fOIQIIlOllll'tlng the same jacent to said form, a pawl actuated by said detector device, means for supporting said pawl on the press, and connections between saidpawl and said releasing device, substantially as set forth.
10. The combination with a printing-press,
of a stop mechanism therefor, a movable detector device operated by the engagement therewith of the material to be operated upon when it sticks to theform, and movable connections between said detector device and said stop mechanism whereby the movement of the detector device operates to actuate said stop mechanism, substantially as set forth.
11. The combination with a printing-press,
of a stop mechanism therefor, an actuating device for said stop mechanism, a detector device arranged adjacent to the printing-form and adapted to be moved by the material which sticks to said form, and movable connections between said detector device and said actuating device whereby the movement of the detector device operates said actuating device, substantially as set forth.
Witness my hand this 15th day of July,
US11605802A 1902-07-18 1902-07-18 Stop-motion for printing-presses. Expired - Lifetime US723108A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100174384A1 (en) * 2008-09-04 2010-07-08 Iwalk, Inc. Hybrid terrain-adaptive lower-extremity systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100174384A1 (en) * 2008-09-04 2010-07-08 Iwalk, Inc. Hybrid terrain-adaptive lower-extremity systems

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