https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=84933&pn=103,476 Automatic Lathe Patentee: none listed - Munich, Munich District Bavaria, Germany Granted:1924-02-16
Assigned to Friedrich Deckel Praezisions Mechanik und Maschinenbau - Munich, Munich District Bavaria, Germany


This is one of 84,519 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=85222&pn=707,418 Pliers Patentee: Matthew M. Howland - Providence RI Granted:1902-08-19
Manufactured by Frank Mossberg Co. - Attleboro MA

"Automatic adjustment lock" type provision for parallel jaw pliers and similar tools. The patent date appears in a 1906 ad for MOSSBERG TRITON parallel jaw pliers available from Pope Mfg. Co. No other ad has been found, and no examples have been reported.
This is one of 84,519 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=14947&pn=18,266 Wrench Patentee: Henry D. Blake - New Hartford CT Granted:1857-09-22
Assigned to W. H. Warner - New Britain CT

The adjustable jaws are arranged in a rough parallelogram. A thumb piece extends toward the handle on the inner jaw segment. Motion of the "T" shaped handle segment opens or closes the jaw opening. Both pipe and nut wrench applications are shown in the patent drawing. The patent claims were reprinted in the British "Commissioner of Patents Journal."
This is one of 84,519 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=84382&pn=703,237 Variable Friction Gearing Patentee: Edward P. Cowles - Warren, Trumbull County OH Granted:1902-06-24

Abstract: This invention relates to improvements in variable-speed friction-gearing; and the object of the invention is to provide a mechanism in which the adjustment of the friction power-transmitter relative to the driving or driven elements to vary the speed of the latter will be effected practically automatically. Claim: In a device for changing speed, two parallel, rotatable wheels or disks, a friction-roller supported between and arranged to engage both said disks to transmit motion from one to the other, and means for adjusting the plane of rotation of said friction-roller angularly to its normal tangent position at its point of contact to cause said roller to traverse said wheels or disks in opposite directions toward or from their centers.
This is one of 84,519 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=13695&pn=13,388 Improved Ratchet-Wrench Patentee: Alden Graham - Roxbury MA Granted:1855-08-07
Manufactured by Atwood & Co. - Boston MA

The improvement is the arrangement of adjustable jaws on a ratcheting wrench face. A well marked example is stamped "ATWOOD & CO. BOSTON / AUG. 7, 1855 PATENT" Manufacturer info. also appears in "American Wrench Makers 1830-1930," by Kenneth Cope.
This is one of 84,519 patents currently in the database at datamp.org

]]>