Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7823435 | Die clamp mechanism for press machine A die clamp mechanism includes: a plunger that protrudes from a lower side of a carrier when the carrier on which a bolster is mounted is separated from a bed of a press machine and plunges into the lower side of the carrier when the carrier is grounded on the bed; ... | 11/02/2010 |
| 7404309 | Quick change over apparatus for machine line A machine arrangement includes a plurality of machines arranged to cooperate with each other in a manner which comprises a machine line. This machine line incorporates apparatus which is associated with and/or comprises part of the machines for: at least one of movi... | 07/29/2008 |
| 7069765 | Release mechanism for end forming machine A shuttle assembly for use with an end forming machine includes a shuttle and a release mechanism coupled to the shuttle. The shuttle includes a main body, a tool-receiving bore formed in the main body, and a lock mechanism associated with the tool-receiving bore. T... | 07/04/2006 |
| 7024915 | Tool holder unit for bending brakes A toolholder unit for sheet metal bending brakes, comprising a bar to be associated with a fixed or movable part of the brake, and provided with at least one recess forming with a jaw associated therewith a groove to receive the shank of the tool, there being provid... | 04/11/2006 |
| 7004008 | Press brake tool having lockable safety key A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable... | 02/28/2006 |
| 6732564 | Press brake tool and tool holder An American style press brake tool and tool holder having a safety key. The holder has a body with walls defining a downwardly open, tool receiving recess having a top, a downwardly facing force-delivering shoulder adjacent the bottom of said recess, and a shelf wit... | 05/11/2004 |
| 6539770 | Dent pulling apparatus and system A hand held dent pulling device for attachment to and use in combination with a MIG or similar welder. The device features a elongated body member with an axial cavity and a face plate mount at a front end. An elongated shaft slidably engages the body mem... | 04/01/2003 |
| 6467327 | Press brake tool and tool holder An American style press brake tool and tool holder having a safety key. The holder has a body with walls defining a downwardly open, tool receiving recess having a top, a downwardly facing force-delivering shoulder adjacent the bottom of said recess, and ... | 10/22/2002 |
| 6138492 | Tool holder for press brakes A tool holder for securely holding a forming tool in its intended position on a press brake. The tool holder includes a tool holder plate having first and second receiving surfaces oriented to respectively engage first and second mounting surfaces of a pr... | 10/31/2000 |
| 5782308 | Quick clamping device for at least one tool of a machine tool The present invention refers to a quick clamping device for at least one tool of a machine tool, in particular for at least one bending or edging punch of a bending or edging press, comprising a clamping member and a safety and hold means for the tool, sa... | 07/21/1998 |
| 5619885 | Upper tool holder apparatus for press brake and method of holding the upper tool In an upper tool for a press brake clamped between a support plate (7) of an upper tool holder body (5) attached to a lower portion of an upper table (3) and an upper tool clamp member (11), the upper tool (9) is formed with an inclined surface (9S) narro... | 04/15/1997 |
