US1346872A - Safety mechanism for ironing-machines - Google Patents

Description

w. BABVTHOLOMJEW.

CHANISM FOR IRON ING MACHINES. APPLICATION FILED DEC. I0. 1914.

-- SAFETY ME Patented July 20, 1920.

2 SHEETS-SHEET l- 69 am M h/z' $7 eases W. BA RT HOLOMEW. SAFETY MECHANISM FOR IRONING MACHINES. APPLICATION FILED 05 .10. 1914.

1,346,872; Patented July 20, 1920.

2 SHEETS-SHEET 2.

. lnwnimv 3%63865: ZJiZZz'amBarZh-olomew J. m/uwh source of power with the moving parts of the,

starting and stopping of the machine through the mediumlof any suitablemechanism for connecting and disconnecting a machine. Inasmuch as my inventionis not concerned with the particular mechanism; ac-

tuated by the starting lever G for effecting the starting and stopping of the machine, it

is not necessary to a full disclosurejof my invention that such mechanism should be illus-.,

trated or described.

7 H designates a safety guard of'any suit able construction, such for instance as a rectangular 'p'anel formed of a surrounding frame supporting wire fabric. The guard H ismounted upon the machine in front of the space between the receivingroll and cooper- ;atin'g' steam cylinder, and is" of 'a' length conforming tothe width of the feed apron E,

in order th atj all.portions of the articles fed to; the machine by the apronmu st pass below the guard. The guard is provided with trunnions It? and [12, which are supported in bearings formed in the upper'endsof the I brackets H and H secured tofthe end frames of the machine; ()neloffthe. trunnions, as p y for instance if, has fixed thereon'a crank arm 7L connected at its outer-end by means latter being preferably locatedwith'in a cy- I l1ndr1cal guide casing O; The flexible eon- 40 ithe latter being connected at one end through an offset portion m with the controlling lever Ur of the-machinef Aiflexible connection n extends from the bar M to a weightiNfthe neetionn passes through a curved" tubular guide '0 to the interior of .thecylinder .O,

where it'is connected with the weight N.

The weightll tends to move thebar Min a directionotooscillatethe lever a direcf tion to stop the operation of the machine.

In order that the leverG may be retained against the action of the weight N inthe position which itmust assume in order that the machine may be operated, afnotch p'is formed n the under-surface of the bar M [which engages a post 1? fixed to and pro 'ectin outwardl from. the .ad'acent side V b i l 7 frame of the machine. In order that the bar M maybe retained ,111 properspos'ition upon cured to the the supporting pin jlg, aguide loop Z is se- R designates aqsecond safety gu'a'rd which Imayfbe conveniently of the same construcftion' as the guard H. ,The guard R is located at the delivery side fthe machine above the apron F, and in position to be. engaged by an operator attempting, to reach the acent The guard-R isprovided with laterally projectpinL ajnd extends around the- M m w 'thatthe notchptherein will be disengaged ing trunnions r and 1' intermediate of its the top of'the frame of the guard'I-I. Col- .la'r's .8 78? are fixed upon thes rods S S adjacent the inner surfaces of the frame of the gu'ardI*I,so that aninward movement of of the'guarfd R and pass through openings in the top of the guard R will oscillateinwardly i the lower portion of the guard'HI i' In order thatthe operation of the machine may be conveniently stopped, when' desired,

by an operator at the delivery side of the j machine, 'rodsfT and T fa'r'e' connected to the opposite sides of the guard H adjacent its bottom, as by means. of the brackets 15;

The rods T and T 'pass through guide brackets T, supported upon the side frames ofthe machine, ,The free ends of therods T and T? are provided with knobs t and t respectively, by means of which either of the rods may be pulled in a direction'away from to stop the opera'ti'onbf "the machine in'fa 1 Fixed jupon each of the; side frames of they machineadjacent the lower edge of the,

the guard H, and the latter thereby oscillated 'guardR, is a bracket U, upon which is' ful fcrumed intermediate of "its ends a shortlever u. 'The levers u are provided'with slots. throughwhi'ch extend the rods T and T respectively, such rods "having fixed latter are oscillated. Pro ectingflaterally thereon collars a and a in positions to be -f "engaged by the respective levers u when the i portions of the short-levers uwhich depend below their f ulcrums. i r p The operation ofmy improved' safety mechanism is as follows Should th'ejhand of; an operator in arranging articles upon the feed apron E approach too closeto the adja cent roll and cylinder, it will engage the bottom of the guard Hand move the same inwardly toward the'machi'ne. Such move .nient of the guard oscillates its trunnions so that the crank-arm it will be raised and willlift upwardly the. depending rod 70, which in turn will oscillate the lever K. The upward oscillation of the lever K lifts the barM'so from 'the post'P, thereby permitting the weight N to fall and oscillatef'the controlling lever G into position to discontinue the operation of the machine? t 7 Af ter 'the pressure upon the guard h been discontinued, it oscillates'by gravity to its normal position in which the-bar-Mrests again startedby'moving the leverG toward the-machine, and when it has reached the desired position the notchp inthe bar M 1 will have engaged. the post. P so as to prevent thev weight from movingtlie lever G intoposition to stop the operation of the machine.

When for any reason an operator on the delivery side of the machine dcsires to 'stop its operation, as for instance to disengage articles which may have 'become tangled, it "is merely necessary for the operator to exert a pull upon either of the knobst orv 25 on the rod T or T hich oscillates the bottom of the guard H toward the machine and thereby trips the bar M and permits the weight to move the controlling lever G to its off position. a

Should an operator on the delivery side of the machine attempt while the machine is in operation to reach articles passing through the machine, the top of the guard R will be oscillated inwardly through the necessary contact therewith of the operator. Such oscillation of the guard R oscillates the top of the guard H away from. the machine through the medium ofthc rods S and S and the collars s and s thereon. The machine is consequently stopped. The machine is, also instantly stopped should the bottom of the guard R be moved inwardly, inasmuchas such movement of the guard causes the brackets '0 and o thereon to oscillate the levers a and cause them to engage the collars a and a fixed upon the rods T and T and move the latter in a direction tooscillate inwardly the From the foregoing description it observed that I have invented an improved safety mechanism comprising guards located at a plurality of places upon the ma chine so that should any of the guards be i moved, the operation of the machine will be discontinued and danger of injury to the operators avoided. It will be further observed that in my improved safety mechanism the machine is stopped when a guard is moved in either direction, thereby protecting from injury an operator who might attempt to reach either above or below the safety guard.

While I have described more or less in detail the specific embodiment of my invention herein disclosed, yet that I do not intend to be limited thereto, asl comprehend changes in form, the proportion of parts, and the substitution of equivalents, as occasion may require, or as may be expedient.

its application to the type of ironing machine in connection with which it is illustrated, but is capable of application to various machines.

' ing moving. parts places, of adevice forcontrolling the operafed to it, a safety bottomof the guard H.

will be it will be understood It will be further understood that my invention is not limited in Iclaim: :1 1. The combination w1thawmachine exposed at a plurality of tion of the machine, a safety guardfor pro tecting each of the exposedplaces of the machine, means operatively connecting said safety guards with said device to actuate the same tostop the operation of the machine when" any. of said guards is moved and means extending from'said guard to remote part of the machine for manually moving the guard to actuate said device to stop the operation of the machine. 7

2. The combination with a machine comprising moving partsbetween which articles are passed, ofja safety guard protecting the side of the machine where the articles are guard pivotally supported upon a horizontal axis intermediate of its top-and bottom for protecting the side of the machine from which the articles are de- I livered, a devicclfor controlling the opera-Y tion of the-machine, and means operatively connecting both of said safety guards with said'devicefor actuating the same to stop the operation of the machine when said first guard is moved in one direction and when said second guard is moved in either direction.

3. The combination with machine hav ing moving parts exposed at a plurality of places, of a device for controlling the operation of the machine, a plurality of oscillating guards protecting different exposed portions of the machine, means operatively connecting one of said guards with said device for actuating the same to stop the operation of the machine, rods connecting the said 7 V uards so that the movement of any of said guards will effect the stopping of the ma chine, and means extending from said guards for manual operation to effect the stopping of the machine.

- 4:. The combmat1onwithzt machinehaving moving parts exposed at a pluralityjof places, of a cated' at different exposed 7 machine," rods connecting the tops of the guards, means connecting one of said guards with said device for actuating the same to stop the operation of the machine, rods *eX- tending tioned guard to positions adjacent the bottom of said other guard, and means operdevice for controlling the operation of the machine,a pair of'safety'guards joach oscillatory upon ,horizontal axe's loportions of the from the bottom of said last-men- H atively connecting said latter guard with said last-mentioned rods to effect the stopping of the machine when the bottom of said last-mentioned guard is oscillated toward the machine.

5. The combination with a machine-comr prising exposed moving parts, of a movable safety guard for protecting said-moving parts,-and a device controlling the operation of the'machine actuated by a movement of said guard ineither direction to stop the operation of the machine.

- p 6. Thecombination with a machine comprising exposed moving parts, of a safety guardfor protecting said moving parts,*

means for pivotally supporting said guard to oscillate upon a horizontal axis intermediate of its top and bottom, and a device my name.

WILLIAM BARTHOLOMEW.

Witnesses:

C. M. LEARY',

J. W. LYON.-

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