US52728A - Improved machine for rolling leather - Google Patents

Improved machine for rolling leather Download PDF

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US52728A
US52728A US52728DA US52728A US 52728 A US52728 A US 52728A US 52728D A US52728D A US 52728DA US 52728 A US52728 A US 52728A
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bed
leather
improved machine
hand
carriage
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    • CCHEMISTRY; METALLURGY
    • C14SKINS; HIDES; PELTS; LEATHER
    • C14BMECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00Manufacture of leather; Machines or devices therefor
    • C14B1/44Mechanical treatment of leather surfaces

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  • My invention relates to anew machine for rolling, glazing, pebblin g and finishing leather
  • O represents the base or floor, on which are erected or secured the working parts and the table and frame of the machine.
  • the frame B may be made of any suitable material. of proper strength, and tothe side of the projecting arm portion of this frame is secured the square working bar or way D, upon which travels the reciprocatory carriage b.
  • This carriage bis driven through an intermediate combination of pivoted levers,as will be presently explained, by a pitman, c, connected at c to the main crankpin on the driving-wheel A, which latter may be rotated on ,'.its'axis by hand or'iany other motive power.
  • Fig. 1 the parts are shown as they are whenl the carriage b has just started on itsvdown! ward stroke in the direction indicatedby the arrow. It con tin ues during this stroke to travel pressing against the upper surface vof the leather or'other Stock bein gworked upon. j
  • the hand f is again thrown' down onto the leather, as seen at Fig. .1, and another stroke is made, and so on the rubbing over the surface of the leather of the hand is continued.
  • the yielding bed is manipulated by the adjustment of thefbar h and supportingnuts o o and springs pp, in a manner similar tothat described in a previous' patent to me and familiar to those skilledv vin .the art.
  • crank-.pin n passes-over the' It is obvious' that other peculiar'combinaf so fullydwell upon'that part of my present machine, the main'featnre ofmy present invention being in the new method of applying and working the hand or tool-stock f by attaching -it to a systeml of levers involvingfasort of parallel motion in conjunction with a reciprofrom a crank-motion,
  • tions of pivoted leversand mechanical devices may be employed illA connection vviththe carriagebor its equivalent, to eect the same peculiar motion ascribed to the hand f, or to any tool which may bel substituted for it.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

UNITED SrAmrEs-vT PATENT 'OFFICE- vwirmiAivi v P. MAnfriN, or SALEM,y MASSACHUSETTS. i
|`MPRovED MACH-INE Fon .ROLLING LEATHER.
Specification forming part of Letters Patent N0. 52,728, dated February '20, 1866.
. To all who-m it may concern:4 i'
Be it known that I, WM. P. Merita-1N, of Salem, in the State ot' Massachusetts, have in- -vcnted anew and useful- Machine for Rolling, Glazing, Pebbling, .and Finishing Leather;
and I do hereby declare that the following is a full and exact description thereof, reference being had to the accolnpanyin g drawings, inaking part of this specification.
My invention relates to anew machine for rolling, glazing, pebblin g and finishing leather,
and has foritsyo'bject to produce an organized machine adapted to various adjustments and tools for the ready and perfect accomplishment of all the before-recited'operations5 and to these ends myinvention,consistsv in the employment, in combination with a yielding bed for sustaii'ngtheleatherto be operatednpomof a reciprocatory carriage arranged about parallel with `the-said bed, and a combination of pivoted levers, whereby the tool-stock is carried along in contact with the bed and backv over the bed, all as hereinafter more fully set forth. l v
To enable those Skilled in the art to make and use my invention, I will proceed to describe the construction and opera-tion of' one of my new machines, referring by letters tov the accompanying drawings, in which- Figure l is a side ele'vatiornv Fig. 2 is a similar view, showing the parts in a different position.` Fig. 3 is a detail section at the line x x of Fig. l; and Fig.- 4 is afdetail sectional elevation of the work-table, which is omitted in Figs. 1 and 2 in. order that' th'e'working parts of the machine might be more clearly delineated.
In the several views I have designated the' v same part by the same letter of reference.v
O represents the base or floor, on which are erected or secured the working parts and the table and frame of the machine.
' The frame B, the peculiar shape of which is clearly. seen, may be made of any suitable material. of proper strength, and tothe side of the projecting arm portion of this frame is secured the square working bar or way D, upon which travels the reciprocatory carriage b. This carriage bis driven through an intermediate combination of pivoted levers,as will be presently explained, by a pitman, c, connected at c to the main crankpin on the driving-wheel A, which latter may be rotated on ,'.its'axis by hand or'iany other motive power.
0ny the sill uis arranged the'base-plate fr of av metalliq'stand, j ic 7c. At each end ofl this metallicstand is a screw-rod, on the lower end ot also twoother nuts, o of, and a vspiral spring, lo, The construction and arrangement together of-these bolts, nuts, springs, and thestand are clearly shown inthev drawings. The lowe'l` one, o', of theftwo nuts 0 and o is used to .vary
and control the action of the 'spring p on eachv bolt, while the upper nut, o, supports the 'adjusting-bar It. This bar, it will b'eseen, has twginclined planes oroblique surfaces near its two ends, -on which inclined surfaces res't the supporting blocks orflugs d dof the m'etallic bed c', onwhich the skin a 'to be operat b ,"Figs. 1,12, 3.
poses to be'fpresently explained.
one end of pitman c, where it is bent up, as
a", and said bed adj usted by means of the nuts o o'and sliding bar h, the motive power is'ap' tory motion to the carriage b. v
At Fig. 1 the parts are shown as they are whenl the carriage b has just started on itsvdown! ward stroke in the direction indicatedby the arrow. It con tin ues during this stroke to travel pressing against the upper surface vof the leather or'other Stock bein gworked upon. j
which is a nut,'s,'and on which is arrangedl 'On-one side ofthe adjustingbar h is pivoted,
' at x, one endof a rod, t', the-other endofvwhichf hasa nut in it, within whichjworks the screwf rod c, which is provided .with a knurled heath by means of which itisreadily turned, for pur-' f is the hand or'toollstock, in whichishung j, the .tool e, as shown. To the carriage b is'se cured a plate, l, to which, at yy, are pivote'd plied tol the main wheel A, causing it to rotate in the direction indicated by the arrow, and through the pitman c impart areciproca-- 4 with the hand'or tool-stock]c in such position that the roll e travels in contact with and` about the completion of thisstroke, and, while the crank-pin v is passing a dead-center, the
relative position of the hand f and carriage b is changed and the parts assume'the position seen at Fig. 2, in which position the return or upward stroke of the carriage and pitman-is made, the hand f, it will be understood, moving backV above and at same distance from lthe leather.
next dead-center the hand f is again thrown' down onto the leather, as seen at Fig. .1, and another stroke is made, and so on the rubbing over the surface of the leather of the hand is continued. As the Voperation of themachine continues the yielding bed is manipulated by the adjustment of thefbar h and supportingnuts o o and springs pp, in a manner similar tothat described in a previous' patent to me and familiar to those skilledv vin .the art.
1t will be seen that while the-machine'lis running the adjustment of theV yielding-bed;
up and down may-be effected by'simply turning the screw-shaft n.
It will be seen thatfwith-a'machine 'con-I structed as shown and described all the various operations 'of rolling, pebbling, glazing, finishing, &c., may b e performed on various kinds of stock by placing different tools in the place occupied by the one f shown in thev drawif'gs; and it will be understood' that by means of the jam-nuts of o', in connection With the rods and springs 19theamount or degree of elasticity at each end of the yielding bed may be regulated and varied to suit the peculiar nature of the different portions of the` stock being operated upon.
Most of the features embraced in the yieldin g bed land its mechanism are seen in apprevious patent to me, and I 'need not therefore 4kcatoryl carriage driven 'as alreadyset forth.
As the crank-.pin n passes-over the' It is obvious' that other peculiar'combinaf so fullydwell upon'that part of my present machine, the main'featnre ofmy present invention being in the new method of applying and working the hand or tool-stock f by attaching -it to a systeml of levers involvingfasort of parallel motion in conjunction with a reciprofrom a crank-motion,
tions of pivoted leversand mechanical devices may be employed illA connection vviththe carriagebor its equivalent, to eect the same peculiar motion ascribed to the hand f, or to any tool which may bel substituted for it. I
do not therefore desires to be understood as limiting myself tothe precise combination and arran gement of parts'sliown and described;
but,
Having explained my invention fully, what I claim as new, and fdesire to secure Let! ters Patent, is-
1. The employment of a reciprocatory car-l riage, in combination with the yielding bed and a'suitablc mechanismfor effecting the described motion of the hand or tool-stock, substantially as set forth.
Y 2. .The employment of the screw-shaft Lz-,in
combination with the stationary'stand j and -sliding'adjnsting-bar h, the whole arranged to 4operate as set forth.
3. The 4combination of the Bilrings p and regulating-nuts o with their screw rods, tbe- Whole arrangedto opera-te with the bed, substantiall y 'as hcrejnbefore. described.v
WILLIAM?. MARTIN.. [n.3 s.)
`ln presence-of---v J. N. MGINTIRE,
WM. C. MGINTIRE.
US52728D Improved machine for rolling leather Expired - Lifetime US52728A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656326A (en) * 1969-09-05 1972-04-18 Yves Grenier Leather-smoothing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656326A (en) * 1969-09-05 1972-04-18 Yves Grenier Leather-smoothing machine

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