https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=74547&pn=1,601,669 Tool Holder Patentee: Claude W. Bennett - Whittier, Los Angeles County CA Granted:1926-09-28
Manufactured by Stoody Co. - Whittier, Los Angeles County CA

Abstract: This invention relates to tool holders bars for lathes and has for an important object thereof the provision of a device in the use of which exchange of tools is facilitated. A further and more specific object of the invention is to provide a device of this character having controlling tappets, one of which may be struck with a hammer to tighten the tool in position and the other of which may be struck to release the tool, the structure being such that tools of different sizes or widths may be accommodated. Claim: In a tool holder for lathes, a tool bar having a head provided with a tool receiving opening and having a bore partially intercepting the tool receiving opening, a tool contacting wedge block arranged within the bore, a tappet having one face co-acting with the wedge block and normally spring urged to a position releasing the wedge block from engagement with the tool, a member movable longitudinally of the bore engaging the opposite face of the tappet and means normally preventing movement of the member longitudinally of the bore in a direction away from the tappet and urging the member into engagement with the, tappet.
This is one of 84,800 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85508&pn=234,914 Castrating Instrument Patentee: Charles B. Halstead - Rantoul IL Granted:1880-11-30

"Cord crusher" type emasculator employing a loop of chain passing through a metal loop. Known example marked "C.B. HALSTEAD PAT. NOV. 30 '80."
This is one of 84,800 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=18796&pn=527,557 Speed Indicator for Shafting Patentee: William Thomas Lintner - Gloversville, Fulton County NY Granted:1894-10-16
Manufactured by Harvey Hubbell Mfg. Co. - Bridgeport, Fairfield County CT
Assigned to William L. Sporburg - Gloversville, Fulton County NY

W. E. Hagan -patent attorney
This is one of 84,800 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85506&pn=306,760 Leather Splitting Machine Patentee: John T. Krebs - Cleveland, Cuyahoga County OH Granted:1884-10-24
Manufactured by H.F. Osborne & Co. - Newark, Essex County NJ
Assigned to William A. King - Cleveland, Cuyahoga County OH

Abstract: This invention relates to machines for splitting leather and it consists in a new and novel io construction and arrangement of mechanism in which there is a knife, combined with adjustable rollers, and a roller-setting mechanism provided with a graduated scale, whereby the operator readily adjusts the machine to any required degree, enabling him to maintain a uniformity in thickness in splitting leather, the object of which is to provide a machine which requires- no calculating, testing, or trying to adjust, resulting in a saving of time and labor. Claim: In a leather splitting machine, the combination, with the splitting-knife, of a mechanism, substantially as described, constructed and arranged to hold the roller adjustably in its relation to the knife, and a graduated scale mechanism constructed and arranged for setting and holding the said roller-holding mechanism.
This is one of 84,800 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85507&pn=1,145,706 Computing Rule Patentee: Edward D.N. Schulte - Troy NY Granted:1915-07-06
Manufactured by Lufkin Rule Co. - Saginaw MI
Assigned to W. & L. E. Gurley - Troy New York

The pictured example, marked PAT APPIED FOR, appeared in a Martin Donnelly auction
This is one of 84,800 patents currently in the database at datamp.org

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