Manufacturers Index - J. M. Robinson Mfg. Co.
J. M. Robinson Mfg. Co.
Cincinnati, OH, U.S.A.
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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142,921
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Sep. 16, 1873
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Sheet Metal Bending-Machines
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Willoughby F. Kistler |
Cincinnati, OH |
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393,583
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Nov. 27, 1888
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Brake for Bending Sheet Metal
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James M. Robinson |
Cincinnati, Hamilton County, OH |
Claims:
1. In a machine for bending metal sheets, the combination of a base or supporting jaw and a movable clamping jaw, the latter being connected to the former by a pivotal connection, said connection being constructed for vertical adjustment, substantially as and for the purposes specified.
2. The jaw N and base or bed piece A, provided with pivot arm d', in combination with the clamping jaw M and end piece, B, provided with a vertically adjustable box, b, the latter being arranged to turn on the said pivot arm d', substantially as and for the purposes specified.
3. The base or bed A, having rearward extension C, and sliding blocks D, secured thereto and longitudinally adjustable, in combination with the pivot arm d', clamping jaw M, end pieces, B, each having a yoke, B', in each of which yokes is a vertically adjustable box, b, for receiving the pivot arm, said boxes being retained in the desired position by adjusting-screws b1 b2, substantially as and for the purposes specified.
4. In a brake machine, the combination of the end piece, B, having yoke B', box b, screws 1, b pivot arm d, sliding support D, bed piece A, having extensions C C', screw D', and screw d, substantially as and for the purposes specified.
5. In a brake machine, the combination of the end piece, B, having yoke B', box b, screws b1 b2, pivot-arm d', sliding support D, bed-piece A, having extensions C C', screw D', screw d', shaft F, cam F', and set screw or screws f, substantially as and for the purposes specified. |
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438,970
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Oct. 21, 1890
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Machine for making sheet-metal moldings
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John W. Yates |
New Decatur, AL |
This patent metal molding machine was subsequently improved in patent 464,410. An 1898 broadsheet from J. M. Robinson Mfg. Co. features "Robinson's Power Curved Moulding Machine", with the later patent date visible on the machine. |
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464,410
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Dec. 01, 1891
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Machine for molding and embossing sheet metal
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John W. Yates |
New Decatur, AL |
Improvements to the inventor's patent 438,970. An 1898 broadsheet from J. M. Robinson Mfg. Co. features "Robinson's Power Curved Moulding Machine", with this patent date visible on the machine. The ad also shows a "curved sky-light bar" as a work sample. |
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475,299
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May. 24, 1892
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Machine for bending sheet metal
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Charles J. Colling |
Cincinnati, OH |
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