US Patent: 1,836,741
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| Filing Machine
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Patentee:
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| William Anderson (exact or similar names) - Chicago, Cook County, IL |
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Patent Dates:
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| Applied: |
Jul. 05, 1928 |
| Granted: |
Dec. 15, 1931 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Grob, Inc.
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Description: |
| Abstract:
Its primary object is the provision of a power-driven appliance by means of which the filing of metals and like hard substances may be accomplished mechanically as distinguished from the manual filing commonly done. A further object of the invention is the production of a machine of the character mentioned, the organization of which is such as to insure accuracy in the filing operation, so that the completed work shall present a nicety of finish comparable to the finish resulting when filing is done by hand. Furthermore, the invention also has in contemplation a filing machine which may operate on the work both externally and internially thereof. The machine, therefore, is capable of general application within the sphere for which it is designed, and is so constructed as to enable the user of the same quickly to adapt the machine for operation on either the exterior or the interior faces of the material presented to the machine.
Claim:
In a machine of the class described, the combination with a driving wheel and a driven wheel, of a flexible carrier supported by said wheels, a series of treating elements mounted 'on said carrier and each affixed thereto at a point midway its ends, whereby to permit flexing of the carrier in its travel about said wheels and to adapt said elements to break joint with each other as they pass over the wheels, aligning means at opposite sides of the point of attachment of each treating element with the carrier, said aligning means serving to connect each treating element with the carrier to hold the same marginally aligned with the marginal portions of the carrier, a work support adjacent to the path of movement of said carrier for sustaining the work in its presentation to the treating elements, and means for guiding the treating elements in their movement relatively to the work. |
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