https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=41209&pn=D177,636 Wrench Patentees: Walter R. Meier - Hamburg NY , Hollis R. Ross - Buffalo NY Granted:1956-05-08
Manufactured by Crescent-Niagara - Buffalo NY
Assigned to Barcalo Mfg. Co. - Buffalo NY

Design marketed as the TAPER DESIGN, with handles angled to clear surfaces and lessen chances for scraped knuckles. Also used for CRESCENT "LIFETIME" box end wrenches after CRESCENT's acquisition of BARCALO in 1963.
This is one of 83,617 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=84308&pn=62,138 Carpet Stretcher Patentee: William J. Johnson - Newton, Middlesex County MA Granted:1867-02-19
Assigned to H. A. Hildreth - Lowell, Middlesex County MA

Abstract: The nature of my invention consists in providing a mechanical device sufficiently magnetized to receive and hold a tack or nail preparatory" to its being driven into wood, or any other material, in any direction or angle. Claim: I claim a carpet stretcher with a piston, or its equivalent, magnetically charged.
This is one of 83,617 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=84307&pn=767,012 Combined Carpet Stretcher and Tack Holding Tool Patentee: Augustus Rebetey - Newark, Essex County NJ Granted:1904-08-08
Assigned to Albert Ebbecke - Newark, Essex County NJ

Abstract: This invention relates generally to improvements in carpet-stretching tools or implements, and more particularly to a novel construction of combined carpet-stretching and tack-holding tool. The invention has for its principal objects to provide a simple and cheap tool of the character hereinafter more fully specified which is more especially adapted for family use and can be employed for the purpose of stretching the carpet and at the same time locating the tack in the proper place prior to being driven by means of a hammer through the body of the carpet and into the floor. Claim: A combined carpet stretcher and tacker, comprising, a flat main body portion 2, provided with an opening, an upwardly-extending tubular post connected with said body, the interior tubular portion of said post registering with the opening in said main body portion, said post being provided with a tack-retaining means, a laterally-extending groove in the under surface of said body, a spring in said groove having a portion extending into the interior tubular portion of said post so as to be brought in engagement with the tack when the tack is in position in said post, a plunger in said post, and a plate secured to the under surface of the body portion and over said laterally-extending groove to retain the spring in said groove.
This is one of 83,617 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=84306&pn=863,099 Carpet Stretcher and Tacker Patentee: Gottfred Schilling - Prescott, Pierce County WI Granted:1907-08-13

Abstract: This invention relates to carpet stretchers and tack- era, the object being to provide a stretcher with a magazine hammer so that the carpet can be tacked down after it has been drawn in place by the stretcher. Claim: The combination with a bifurcated base provided with pins, of a lever mounted on said base arm carried by said lever provided with pointed angled ends and a magazine and hammer mounted between said arms in the bifurcation of the base.
This is one of 83,617 patents currently in the database at datamp.org

]]> https://www.datamp.org/patents/displayPatent.php?id=77411&pn=720,912 Flat Surface Grinding Machine Patentee: George Gorton - Racine, Racine County WI Granted:1903-02-17

Abstract: This invention relates to certain improvements in grinding or polishing machines, and relates more particularly to flat-surface grinders or what are generally known in the trade 1as "disk" grinders. An object of the invention is to provide certain improvements in bearings or mountings for the arbor of a flat or circular surface grinding-machine wherein the arbor carries one or more vertically or otherwise disposed grinding-surfaces, usually circular disks or chucks rigidly secured to both outer ends of the arbor and carrying the abrading or grinding surfaces, the work being- applied to the abrading-surfaces at the outer faces of said disks or chucks, a table or -other fixture or support being provided for each abrading disk or surface to hold the work. Claim: In combination, in a surface grinding-machine, a support, a rotary arbor mounted therein and having an end outwardly tapered with a reduced shouldered threaded extremity, a collar slipped on said tapered end, a key to hold the parts to rotate together and permitting removal of the collar, said collar having a reduced outwardly-extending hub around said extremity and having an end nut- 1 recess, a clamping-nut screwed on said threaded extremity and located in said recess, a grinding-head fitted on said hub and against the outer face of the collar, and means for removably clamping the head to the collar.
This is one of 83,617 patents currently in the database at datamp.org

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