https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=82867&pn=728,893 Saw Filing Machine Patentee: John W. Foley - Omaha, Douglas County NE Granted:1903-05-26

Abstract: The aim of my invention is to provide a simnple machine adapted to be secured to a suitable tripod, to the upper end of which is Secured a panel supporting a table, which ,able supports a suitable guide-shaft upon which is suitably held a carrier, which carrier in turn receives a vibrating file-holder, to which holder are adjustably secured a plurality of files. Claim: A saw-filing machine comprising the combination of the following instrumentalities, to wit: a tripod, a table supported by said tripod, a vise secured to said tripod, vertically adjustable holders secured to said table, a guide-shaft slidably held within said holders, a bottom plate secured to said shaft, roller-holding plate adjustably secured to said bottom-plate, upon opposite sides, rollers within said holding-plates, a plate forming a holder movably supported by said rollers, arms extending from said holder-plate, a block provided with a vertical and horizontal slot, secured to said arms, a screw provided with a file-holding opening laterally, adjustable within said holder-plate, a screw provided with a loose collar secured to said i holder-plate, said collar being provided with a file-holding opening, a strap clamping said block and vertically adjustable thereon, a file-holder secured to said strap, a second strap horizontally adjustable upon said block, a file-holder secured to said last-mentioned strap, and a handle to operate said holder-plate.
This is one of 84,022 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=81407&pn=641,474 Harrow Tooth Holder Patentee: Marquis J. Todd - Buffalo, Erie County NY Granted:1900-01-16
Manufactured by Pitts Agricultural Works - Buffalo, Erie County NY

Abstract: The object of the invention is to provide a holder, which will securely bind a spike-shaped barrow-tooth to its bar by gripping it at a plurality of opposite points-one which will be composed of but few parts and which will be simple in construction, inexpensive, and durable. Claim: The combination with a harrow-bar, of a clip engaging such bar and having integral therewith a split portion formed with an opening for the harrow-tooth, and a binding-bolt for holding the clip on its bar and gripping :o the tooth by said split portion.
This is one of 84,022 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=82279&pn=619,010 Twyer-Iron Patentee: Frank S. Blakesley - Rockford IL Granted:1899-02-07
Assigned to Weyburn & Briggs Co. - Rockford IL

Abstract: The object of this invention is to produce a twyer-iron in which the volume of the air-blast from the bellows or blower to the fire may be varied at pleasure and which when set will not readily be disarranged by jars or blows. Claim: In a twyer-iron, in combination, a fire-pot, an air-chamber, an air-blast pipe opening into the air-chamber, a ring adapted to be set into the lower part of the fire-pot which ring has two depending perforated lugs, a rotatable closure for varying the volume of the air-blast to the fire-pot, having facets of different sizes also having a pivotal opening eccentric to its center and a rod extending through such opening and through the perforations of the lugs, for rotating the closure.
This is one of 84,022 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=82630&pn=27,900 Cane Crusher Patentee: Theodore Grundmann - Freeport, Stephenson County IL Granted:1860-04-17

Abstract: The object of this invention is to obtain a simple, compact, and efficient cane-crushing machine, one that can be attended with but few hands and have a great working capacity. The invention consists in the employment or use of a large central cylinder or drum in connection with a series of pressure-cylinders. Claim: The arrangement and combination, for the purpose specified, of the drum or cylinder D, pressure-rollers E, provided with the feed and discharge spouts GHF, and the receiver I.
This is one of 84,022 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=84383&pn=727,136 Elevator Hoisting Mechanism Patentee: Thaddeus W. Heermans - Chicago, Cook County IL Granted:1903-05-05

Abstract: This invention relates to improvements in frictional hoisting mechanism for elevator-cars, and embraces both an improved variable-speed motor for giving power to operate an elevator-car and an arrangement of the rope connections between said motor and the car for giving variable speed to the car. Claim: An elevator apparatus comprising a car and a counterweight, traveling sheaves connected with said car and counterweight, an endless cable trained about said sheaves, two driven wheels around which the endless enable also passes, a single motor arranged to drive both wheels and means for varying the relative speeds of the wheels.
This is one of 84,022 patents currently in the database at datamp.org

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