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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7168963 | Electrical power connector A printed circuit board electrical power contact for connecting a daughter printed circuit board to a mating contact on another electrical component. The power contact includes a main section; at least one daughter board electrical contact section extending from the... | 01/30/2007 |
| 7121952 | Method and apparatus for laser welding of flat stamped fasteners and resulting clip A pneumatic or manual impact operated nailer requires fasteners in a clip, typically of about 100 fasteners. The invention provides uniform well-bonded fasteners in a clip for use in a pneumatic or manual nailer, the clips being adhesive-free. In addition, this inve... | 10/17/2006 |
| 7065871 | Method of manufacturing electrical power connector A printed circuit board electrical power contact for connecting a daughter printed circuit board to a mating contact on another electrical component. The power contact includes a main section; at least one daughter board electrical contact section extending from the... | 06/27/2006 |
| 7007438 | Crossarm systems and methods A crossarm system adapted to support power lines from a vertical pole. The crossarm system comprises a wooden crossarm member and first and second nail end plates. The wooden crossarm member defines upper, lower, inner, and outer surfaces and first and second end su... | 03/07/2006 |
| 6884176 | Securing holding jaws on a tool ring for a nail machine The present invention relates to aspects of securing holding jaws in nail machines, including a method, a machine, a tool ring and a holding jaw for such purposes. The novel aspects of the invention include that holding jaws are secured to a tool ring in a manner wh... | 04/26/2005 |
| 6729962 | Method and apparatus for laser welding of flat stamped fasteners into clips, and resulting clip A pneumatic or manual impact operated nailer requires fasteners in a clip, typically of about 100 fasteners. The invention provides uniform well-bonded fasteners in a clip for use in a pneumatic or manual nailer, the clips being adhesive-free. In addition, this inve... | 05/04/2004 |
| 6676528 | Tool for the manufacture of an offset head nail and a use of said tool The present invention relates to a tool for the manufacture of an offset head nail, said nail comprising a shank and a head, said head being placed with its center being offset to the center of the shank, wherein said tool is one of a set of at least two ... | 01/13/2004 |
| 6248020 | Fastener forming machine A fastener forming apparatus comprises a positive stop that prevents workpieces from overshooting the end of a forming stroke. A workpiece transfer mechanism transfers one unformed workpiece at a time into a workpiece gripper and drives completed workpiec... | 06/19/2001 |
| 6071196 | Adjustment device for use in the forging of small metal items An adjustment device for use in the forging of small metal items, especially applicable to forging machines for the production of screws, rivets and the like, suitable to realise the rapid adjustment of the length of the shank of said small items, having ... | 06/06/2000 |
| 6066048 | Punch and die for producing connector plates A blade punch for forming teeth in a connector plate, the blade punch comprising an elongated blade having a metal working tip at one end and a shank at the other end. The blade has an elongated cross-section defined by opposing parallel spaced planar sid... | 05/23/2000 |
| 6004215 | Fastener forming machine A fastener forming apparatus comprises a positive stop that prevents workpieces from overshooting the end of a forming stroke. A workpiece transfer mechanism transfers one unformed workpiece at a time into a workpiece gripper and drives completed workpiec... | 12/21/1999 |
| 4936131 | Production of threaded metal rods for making U-bolts Elongated straight cylindrical metal rods are threaded along opposite end portions, and the cylindrical outer surface of the center portion of each rod is marked to form a visual indicator of the longitudinal center of the rod. The straight rods are succe... | 06/26/1990 |
| 4635310 | System for producing two separate sets of fasteners A system for producing a first and second series of blind fasteners each in uniformly varying grip increments for securing workpieces varying in total thickness, each blind fastener comprising a tubular sleeve, a pin and lock collar, the sleeve adapted to... | 01/13/1987 |
| 4473914 | Method and apparatus for manufacturing a stop and lock shoulder for a blind fastener sleeve A method and apparatus for forming a hollow sleeve for a blind fastener including the steps of forming a sleeve blank to have an enlarged sleeve head and a through bore having a radially inwardly extending shoulder forming portion, deforming the material ... | 10/02/1984 |
| 4344312 | Forming press with a cam arrangement An adjustable cam arrangement is provided for controlling various work handling elements of a multistage press. Releasable cam disc members are mounted on a camshaft for actuating a respective cam follower associated with a work handling element. The cam ... | 08/17/1982 |
| 4307600 | Forming press with at least one tool couple A forming press is disclosed having a press frame, a slidable press carriage, and at least one tool couple comprising a plunger and a matrix. A pressure member is movable in the direction of motion of the press carriage for bracing the plunger against the... | 12/29/1981 |
| 4130005 | High speed ball header A method and apparatus of cold forming is disclosed for improving die life. During a first phase a workpiece is initially engaged between a pair of dies with a sufficiently low force and velocity level to reduce die errosion but with a sufficiently high l... | 12/19/1978 |
| 4059860 | Apparatus for making shouldered tubular rivets A method and apparatus for forming shouldered tubular rivets is disclosed in which three forming operations are provided, two of which are performed in a single die station. In the first operation, the head end of the blank is squared and the inner end is... | 11/29/1977 |
