US1074348A - Leather-staking machine. - Google Patents
Leather-staking machine. Download PDFInfo
- Publication number
- US1074348A US1074348A US76492413A US1913764924A US1074348A US 1074348 A US1074348 A US 1074348A US 76492413 A US76492413 A US 76492413A US 1913764924 A US1913764924 A US 1913764924A US 1074348 A US1074348 A US 1074348A
- Authority
- US
- United States
- Prior art keywords
- leather
- staking
- rolls
- blade
- apron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/40—Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills
Definitions
- This invention relates to leather staking machines having tools adapted to move to and fro and to coperate lsimilarly to pincers, use being made of clamping rolls arranged for traveling to and fro so as to hold the leather lying freely upon a stationary apron.
- the invention comprises two pairs of clamping rolls situated vone in front and one at the rear of the staking blade for holding the leather, all therolls or only some of them being actuated in such a manner that during the traveling movement of the rolls justas much material. is conducted behind the staking blade as there is material c0nducted away from the rolls situated in front of the staking blade. By this means there will be no tension in the leather, which is bent on its passage over the blade.
- the leather or work 1 rests freely upon. the apron 2 fixed to the transverse beam and to the tension roll 3. In front and at the rear of the blade 9 which constitutes the tool are arranged pairs of clamping rolls 13,
- blade 9 attached to the lower staking arm 7 carries out the traveling movement.
- clamping rolls 14, 141 which are likewise caused to travel, being iixed to the upper staking'arm 6.
- These rolls are supported in swinglng levers 15, which are drawn toward each other by a coil spring 15a connecting them, and guide rolls 16 journaled on the levers 15, contact with the cam disk 17 with the object of enabling both rolls 14, 141 to be displaced away from and toward the stakin blade 9 rand the boarding action to be varled.
- cam disk 17 may be turned 1n any desired manner by means ofV a rod 18 either forward or backward. This allows the' boarding action to be modified and therefore an individual treatment of different parts of the leather and kinds of leather to lbe effected.
- actuating means use may be made of toothed or frictional gear wheels, or the like, besides the apron 2.
- an arrangement may be emstaking blade is fixed Vfrom between said carrying rollers, hinged levers above said apron, clamping rollers on said levers and means to reciprocate said clamping rollers toward and away from Y each other. these rolls in conjunction with the staking 2.
- an apron all the clamping rolls towith the upper rolls to the upper ⁇ levers adapted to engage said cam and a rod to adjust said cam, as specied.
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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
P.. BQHVAGEK. LEATHER STAKING MACHINE. AP?LIOATIO`N FILED HAY 1, 1913.
1 ,074,348., Patelited Sept. 30, v1913.
fw( Mad/f 9 9%@ A staking operation,
useful Improvements in Leather- STATES PATENT onnion.
PAUL B'oHACEK, or FnANKronT-oN-THE-MAIN, GERMANY, AssIGNon To 'MASCHINEN- FABRIK MoENUs A.G., or FRANKFonT-oN-THE-MAIN, GERMANY, A CORPORATION.
LEATELSTAKI'NG MACHINE.
' .Specication of LetterslPatent. Patented Sept-, 30, 1913l Application led May 1, 1913. Serial N o. 764,924.
T0 all whom t may concern.'
Beit known that I, PAUL BoHAcEK, a subject of the Emperor of Austria-Hungary, residing at 63 Moltke Allee, Frankfort-onthe-Main, in the Kingdom vof Prussia and Empire of Germany, have invented new and Staking Machines, of which the following is a specification.
This invention relates to leather staking machines having tools adapted to move to and fro and to coperate lsimilarly to pincers, use being made of clamping rolls arranged for traveling to and fro so as to hold the leather lying freely upon a stationary apron.
With a view to renderin the leather staking device suitable not on y for the sim le but also lfor boarding leather, the invention comprises two pairs of clamping rolls situated vone in front and one at the rear of the staking blade for holding the leather, all therolls or only some of them being actuated in such a manner that during the traveling movement of the rolls justas much material. is conducted behind the staking blade as there is material c0nducted away from the rolls situated in front of the staking blade. By this means there will be no tension in the leather, which is bent on its passage over the blade. The
requisites for a favorable staking action are therefore fulfilled by this arrangement, in-
the leather receiv'es in the main tens1on, thus insuring the staking of even the most tender leathers. .A
In the accom t anying drawing a preferred constructional l orm of the machine comprising the improved leather holding device is Irepresented in diagram, the tool consisting of a simple blade.
The leather or work 1 rests freely upon. the apron 2 fixed to the transverse beam and to the tension roll 3. In front and at the rear of the blade 9 which constitutes the tool are arranged pairs of clamping rolls 13,
14and 131, 14:. The rolls13,.131 under- -neath the leather areV for instance rotated bv the apron 2 inthe-direction indicated by afrows, inasmuch f as the slides 10 carrying Vgether,
this purpose the cam disk 17 may be turned 1n any desired manner by means ofV a rod 18 either forward or backward. This allows the' boarding action to be modified and therefore an individual treatment of different parts of the leather and kinds of leather to lbe effected.
' Of course the invention may be carried out in various ways apart from the constructional form represented in the drawing. Thus for instance it is altogether immaterial whether the blade 9 remains in its highest vposition between the rolls 14, 141
ring the whole operation, or whether it is .used for the formation of the fold of the leather at the beginning of the Working stroke and subsequently drawn back again.
Moreover, either the upper or the lower clamping rolls, or
may be driven. As actuating means use may be made of toothed or frictional gear wheels, or the like, besides the apron 2.
Furthermore, an arrangement may be emstaking blade is fixed Vfrom between said carrying rollers, hinged levers above said apron, clamping rollers on said levers and means to reciprocate said clamping rollers toward and away from Y each other. these rolls in conjunction with the staking 2. In a leather staking machine an apron all the clamping rolls towith the upper rolls to the upper` levers adapted to engage said cam and a rod to adjust said cam, as specied.
In vtestimony whereof I afHX my signature in the presence of two witnesses.
PAUL BOHACEK.
fixed at one end to a cross beam, carrying rollers beneath said apron, a tension roller to which the other end of said apron is secured, a staking blade extending upwardly from between sald carrying rollers, hinged levers above said apron, clamping rollers on said levers, a cam between the middle portions of. said levers, guide rollers on said Witnesses:
JEAN GRUND, CARL GRUND.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76492413A US1074348A (en) | 1913-05-01 | 1913-05-01 | Leather-staking machine. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76492413A US1074348A (en) | 1913-05-01 | 1913-05-01 | Leather-staking machine. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1074348A true US1074348A (en) | 1913-09-30 |
Family
ID=3142580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US76492413A Expired - Lifetime US1074348A (en) | 1913-05-01 | 1913-05-01 | Leather-staking machine. |
Country Status (1)
Country | Link |
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US (1) | US1074348A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687635A (en) * | 1953-04-10 | 1954-08-31 | Garrett Jacob | Staking machine |
-
1913
- 1913-05-01 US US76492413A patent/US1074348A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687635A (en) * | 1953-04-10 | 1954-08-31 | Garrett Jacob | Staking machine |
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