https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=48955&pn=412,277 Hollow Handle For Implements Patentee: William Wilson Lee - Northampton MA Granted:1889-10-08
Manufactured by Clement Mfg. Co. - Northampton MA

Screwdriver marked Pat'd May 7, Oct 8, 1889. The Vulcan Hollow Handle Screw Driver. No 115. Advertised in late 1889 as VULCAN HOLLOW HANDLE SCREWDRIVER (Clement Mfg. Co, Northampton, Mass). Also shown in Starrett catalog 13 c1895. Presuming other patent is Lee's 402,947
This is one of 84,779 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85487&pn=1,745,079 Friction Clutch Patentee: Alfred A. Conway - Cincinnati, Hamilton County OH Granted:1930-01-28
Manufactured by Conway Clutch Co. - Cincinnati, Hamilton County OH

Abstract: An object of my invention is to provide a device wherein centrifugal force assists in releasing the clutch. Another object of my invention is to provide a device of this kind requiring a minimum of effort to manufacture and assemble and wherein a maximum of efficiency is obtained. Claim: A clutch comprising a hollow driven member, a driving member having a recess extending longitudinally thereof and received in the hollow in the driven member, complementary normally disengaged means carried by the driving member and driven member within the hollow of the driven member for transmitting motion when clamped upon one another from the drive to the driven member, a p awl having a long and a short arm pivot, all carried by the driving member, the pawl being pi voted at the junction of the arms and having the longer arm disposed within the recess in the driving member, and the short arm disposed on one side of the complementary normally disengaged means, g0 an abutment carried by the driving member and disposed on the opposite side of the complementary normally disengaged means to that on which the short arm of the pawl is disposed, and means operable on the long arm e5 of the p awl for actuating said long arm center ward of the driving member about the pivotal mounting of the pawl for clamping the complementary normally disengaged means upon one another between the short arm of the pawl and the abutment.
This is one of 84,779 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85486&pn=32,684 Combined Nail Extractor and Box Opener Patentee: Dayton C. Hawkins - Terre Haute IN Granted:1889-11-02
Manufactured by Hawkins Nail Puller Co. - Terre Haute IN
Assigned to Richard W. Rippetor - Terre Haute IN

Combination tool corresponding to U.S. patent 409,355. Produced in the U.S. by the HAWKINS NAIL PULLER CO., Terre Haute, IN.
This is one of 84,779 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85485&pn=409,355 COMBINED NAIL-EXTRACTOR AND BOX-OPENER Patentee: Dayton C. Hawkins - Terre Haute IN Granted:1889-08-20
Manufactured by Hawkins Nail Puller Co. - Terre Haute IN
Assigned to Richard W. Rippetor - Terre Haute IN

The two parts work together for some nail removing functions; the tapered portion is a wedge / pry. The functions include hammer poll, etc. Corresponding Canadian patent CA-32,684 was granted Nov. 2, 1889. Many surviving examples are missing the wooden handles.
This is one of 84,779 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85454&pn=516,263 Electric motor Patentee: Oliver F. Conklin - Dayton OH Granted:1894-03-13
Manufactured by Dayton Fan & Motor Co. - Dayton OH
Assigned to Dayton Fan & Motor Co. - Dayton OH


This is one of 84,779 patents currently in the database at datamp.org

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