US1782097A - Mechanism for stretching and drying hides and leather - Google Patents

Description

E. G. LOWE Nov. 18', 1930.

MECHANISM FOR'STRETCHING AND DRYING HIDES AND LEATHER 2 Sheets-Sheet 1 Filed Nov. 16 192a 9 n 9 3 mm N 5 7 o 0 N m 6L T W VVG fi 1 L N J. a 5 w 3 U w w fi /)N I w Y 6 Z M a C mw i/ m 7 W 2 6 a H m/ a w 4 4 4 w l G u e50 0 \I. L3. TI/ W e 0a 6 2W #3 a Nov. 18, 1930. E. e. LOWE MECHANISM FOR STRETCHING AND DRYING HIDES AND LEATHER Filed Nov. 16, 1928 ZSheets-Sheet 2 V //v VENTOB. [EA/156 r 6. 1, 0M5.

147- TO EMS) Patented Not. 18,1930

f UN Eu-s s rAreur-iorrlclz ERNEST G. LOWE, or I-IARTEORE'ILLINOIS MEoHANIsi/r "Eon STRET'CI-IVING' Ann nn me ninns *ANLD LE THER Application filed. Rommel-1 ,1928} seriai ivo. $119,834. I

' My invention relates to the tanning indus frame, partly broken away.

Fig. 2 is a view of the outer frame shown in Fig. .1.

in Fig. 1. r

Fig. 5 is a side view of a holding member usually designated a toggle. j

Fig, 6 is a top plan view of a toggle. r Fig. 7 is a bottomplan view'of a toggle.

Fig. 8 is a detail View along the line 88 inFig.5. m' Fig. 9 is a vertical sectional view of the holding 'members attached to the frame shown in Fig. 1 and Fig. 2.

During the process of tanninghides, it is necessary that the. hides be thoroughly stretched in the processof drying. This process has heretofore consisted of the use of a large wooden board ofveryconsiderable weight on which the hide was stretched and tacked in place with carpet tacks. Not infrequently, when'the hides began to dry and contract, the tacks pulled out. 40 When it is remembered that a hide of a very largeanimal may, when green, weigh from 100 to 200, .or 300 pounds, it is obvious 1 p p w I q I 21,:1nourited in brackets 22 rigidly attached that a very large and heavy board is required and that the handling of the board when two hides are stretched on it is slow and laborious work requiring at least two men to handle.

To reducethis onerous work and also reduce the time required in handling the hides,

I have produced, in my'preferred'method, a

mechanism whereby it isnever necessaryto Fig.1 is a front elevation of the'principal mechanism, showing a h1de1n place on a Fig. 3 is a cross 'section'along the line 33 inanually' lift and carry the heavy boards When the hides are-in placethereon. 5

My preferred method consists of a rigid and. strong outer frame 1 supported on an overhead track 2 by suitable attaching irons 8 carrying a wheel 4 .rotatably mounted on an axle 5 so that the entire frame 1 can be read-1 ily moved horizontally along the track 2.

The lower part of the frame 1 is held against lateral movement by means of a projection 6 engaging agroove 7 in the floor boards. I

In order to prevent movement of the frame 1 longitudinally, door checks 9.0fany suitable form are rigidly attached to the lower and. outer edges ofthe frame 1 so thatthe plunger 10 of thedoor'check 9 may bepressed down and instantly released by the operator s.

.' Rotatably positioned within the main frame l is'an'in'ner frame '11, strong and substantially built, preferably of steel chan-' neliron and-reinforced by cross members-12 offiat bar metal. q I

The perforated sheet. metalmember 13 fills theenti respace within the inner frame 11-betweenthe reinforcing bars 12, and its marginal edges are rigidly attached to the enclosing frame as'indicated in Fig. 3 a-t 14. The sheet metal member 13 may be spot welded," riveted, or" otherwise securely attached tothe frame 11. I

" The outer frame 1 is preferably made of to the outer frame 1. i

When the buttons 23 are turned parallel with the frame 1, permitting rotation of the inner frame'll, theframe may then be raised or-lowered to any convenient height best suited to the menstretching the hide in'place, andof course, it can be rotated to a reverse position for stretching a hide on the opposite side of the frame.

During this opera-tion the door checks 9 are pressed rigidly against the floor, and when the operation is completed, the door checks are released and the entire frame carrying two hides or sides of leather is pushed along the track 2 out of the way, and each succeeding frame is likewise handled without the strain and lifting that was necessary under the old method, with the result that .not only much burdensome labor is eliminated, but'much time is saved.

In order to hold the frame steady in a horizontal position while the hides are being stretched thereon, I have provided aplu rality of suitable hooks 2 L pivotally attached tothe outer frame 1 at one end and adapted to hook into and hold the inner frame in adjusted positions.

As it is necessary thatthe hides be ther oughly stretched at every point, a special holding member, or toggle as it is known inthe trade, is necessary to facilitate the work. I have, therefore, designed a special toggle, shown in Fig. 5, which consists of a spring steel member 25 looped in a distorted U-shape so that the ends when brought togetherform the upper jaw 26 and lower jaw 27 of a pair of pincers adapted to grip the edge of the hide or side of leather. The spring of the metal normally holds the aws A cam 28 rotates aboutthe axis 29 supported in the side members 30, which preferi ably are integral with the body of the toggle.

, It-is obvious that when the cam 28 is turned down, the pincers are closed in a mannerto firmly hold the hide or side of leather.

A hook 31 is slidably adjustable by the rack 32 cut integral with the body of the toggle and the ratchet 33 normally held in ERNEST e. LOWE.

position by the spring 34, attached to the slidable member 35. When the toggle is affixed to the edge of the hide, as best shown in Fig. 1, the hide is stretched as far as pos sible and the hook 31 inserted in one of the perforations 36; and in order to make the stretching of the hide more uniform,the hook 31.is made longitudinally adjustable.

It is evident that my mechanism in addition to saving a great deal of time in stretching the hides,.removes an enormous amount of heavy, disagreeable work and, generally facilitates the handling of the hides or sides of leather during this stage. of the tanning process.

Having fully described my invention, what V I claim as new and useful and desire to protest by Letters Patent is:

Mechanisms for stretching and drying hides and leather, comprising a transportable outer frame, a rotatable inner frame mounted within said outer frame, tracks for transporting said frames, means for transportably

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