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 |
| 7980112 | Modular tooling system and method A die having various features such as spring pockets and mounting provisions for a lifter bar that can be utilized to make a variety of dies. The dies may include pockets or other mounting features that provide for mounting replaceable plates that can be machined fo... | 07/19/2011 |
| 7634935 | Quick upper tool coupling and uncoupling device of a press brake The rapid coupling and uncoupling device consists essentially of a plunger element (12) capable of being inserted into the clamp (4) or into the top beam/intermediary (1) of the same press brake, or into the tool connection (2), having a ... | 12/22/2009 |
| 7350393 | Hand tool for wires A hand tool includes two levers pivotally coupled together at a middle portion with an axle, and each having a handle end for being held by users, and a carrier end having a channel formed between two plates, a bar is engaged into the channel and secured between the... | 04/01/2008 |
| 7308817 | Push plate tool holder for press brakes Press brake tool holders suitable for releasing and securing press brake tools are provided. Provided in certain embodiments are a press brake tool holder and press brake tool, in combination. Methods of using press brake tool holders as well as press brake tool hol... | 12/18/2007 |
| 7305755 | Processing tong A hydraulic processing tong for processing workpieces, with a tool, has a first tool part with an axially movable press ram or plunger, which with a first end or a tool located there and an opposing workpiece assembly forms a work area or work gap and with the first... | 12/11/2007 |
| 7111484 | Plug-in lower tool The present invention provides a plug-in lower tool for a deep rolling apparatus. The tool includes a housing having a recessed region that defines a seat for removable mounting of the tool and a passage in communication with the seat. The tool includes a reciprocab... | 09/26/2006 |
| 7096708 | Fixing system for mounting and dismounting a bending tool A fixing system for mounting and dismounting a bending tool relative to the top panel of a bending press, in which the bending tool is held clamped between a first clamping surface of a tool spacer and a pivotally-mounted clamp including a second clamping surface. T... | 08/29/2006 |
| 7069766 | Cope holder device An upper die holder apparatus having a holder body has an upper die clamp supported to the holder body with a supporting point supporting the upper die clamp in a vicinity of a center in a vertical direction of the holder body. A clamping force applier is provided t... | 07/04/2006 |
| 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 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7021116 | Press brake tooling technology The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools.... | 04/04/2006 |
| 7013783 | Slide cam die A slide cam die including a slide cam base, a wedge-shaped slide cam sliding on a guide surface of the slide cam base and mounting a press tool such as a punch or a trimming blade thereon, and an actuating cam driving the slide cam in contact therewith. A press tool... | 03/21/2006 |
| 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 |
| 7000523 | Blade holder and support member for perforator A holder and a support member for mounting a blade to a perforator are provided. The holder is composed of a blade, a two-position switching member, and a mounting member. The holder is assembled detachably to the support member along the external shape of the mount... | 02/21/2006 |
| 6843760 | Bending press system A bending press system provided with a bending press (1) with at least one bending station to mount a plurality of divided tools and, tool housing devices (65, 123) to house divided metals to be used on the bending press and, tool exchange devices (... | 01/18/2005 |
| 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 |
| 6516649 | Press brake tooling providing stabilization between die and die holder A press brake die holder for holding a press brake die having an upper, work-contacting surface and a lower, elongated tang. The die holder has an elongated body having a slot defined by opposing walls, the slot being configured to receive the tang of the... | 02/11/2003 |
| 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 |
| 6446485 | Modular tool support element in sheet metal bending brakes A modular tool support element in sheet metal bending brakes which includes an intermediary member fixed to the respective toolplate and having a lower channel for receiving the tool shank provided with a groove along its entire length, support elements f... | 09/10/2002 |
| 6389863 | Residue stripper for metal-extrusion press A stripper assembly used in combination with a metal-extrusion press having a die with a back face on which residue is formed during an extrusion operation, has a blade carrier movable generally parallel to the die back face, a blade pivotal on the carrie... | 05/21/2002 |
| 6334288 | Apparatus for printing, cutting, cropping of blister packs obtained from a blister band In an apparatus mounted on an automatic machine for packaging articles into blister packs, a working station (A) applies numeric codes to a blister band and a scoring station (B) equipped with scoring members (20), traces scoring lines on the blister band... | 01/01/2002 |
| 6263721 | Upper tool holder apparatus in press brake An upper tool holder apparatus in a press brake includes: a holder main body having an upper tool supporting section for supporting an upper tool a lower portion of the holder main body and further having a mounting; an upper tool clamp supported to the h... | 07/24/2001 |
| 6151951 | Upper tool holding apparatus and upper tool separating method from upper tool holding apparatus An upper tool holding apparatus includes: an upper tool support portion provided under a holder main body to support an upper tool; an upper tool clamp which is supported in a swingable way with a fulcrum near the approximately central portion in the vert... | 11/28/2000 |
| 6092270 | Die for forming a joint A die (24) and punch (32) is employed to form a joint (74) between at least two sheets of material (70 and 72). The preferred embodiment die (24) has a shield (54) surrounding an anvil (52). This shield (54) has at least one aperture (120) extending there... | 07/25/2000 |
| 5685191 | Upper tool for press brake In an upper tool for a press brake formed with an inclined surface (9S) narrowed upwardly at an upper portion thereof and an engage groove (9G) formed under the inclined surface (9S). The inclined surface (9S) is brought into contact with an inclined surf... | 11/11/1997 |
| 5642642 | Upper tool and upper tool holding device for press brake An upper tool for a press brake is removably attachable to an upper tool holding device mounted on an upper table of the press brake. The upper tool includes a mounting portion and a projection portion, both adjacent a first end of the upper tool, a work ... | 07/01/1997 |
| 5572902 | Upper tool holder apparatus for press brake and upper tool attachable thereto An upper tool holder apparatus (1) for removably supporting an upper tool (9) on an upper table (3) of a press brake includes: a holder body (5) removably attached to the upper table; an upper tool clamp (11) attached to the holder body, for pushing and f... | 11/12/1996 |
| 5513514 | Upper tool and upper tool holding device for press brake An upper tool for a press brake is removably attached on an upper tool holding device mounted on an upper table of the press brake, and includes a wedge portion having a contact surface brought into contact with a lower surface of a support plate provided... | 05/07/1996 |
| 5511407 | Upper tool for press brake An upper tool (9) for a press brake, the upper tool being clamped to a supported body (5) mounted on an upper table (3) by a clamping force of a pressing-down and fixing member (11), includes: a shank to be clamped being formed with an inclined surface (9... | 04/30/1996 |
| 5507170 | Upper tool for press brake An upper tool for a press brake includes a push actuating section (9K, 107, 9U) for actuating upward an actuated member (17, 103P, 121) movable up and down, in a clamping force increasing mechanism such that an upper tool clamping force can be increased g... | 04/16/1996 |
| 5460027 | Punch clamp device A clamp device for securing a bending press punch on its punch holder, the clamp device being capable of securing punches having a straight, or flat, contacting surface and those having a groove on the contacting surface. The clamp device comprises a plur... | 10/24/1995 |
| 5284069 | Ball lock punch retainer An improved punch retainer is disclosed in which a backing plate extends over a relatively large surface area to dissipate force from a punch. A punch retainer body and the tacking plate are permanently connected to each other and include passages which a... | 02/08/1994 |
| 5181438 | Ball lock punch retainer An improved punch retainer is disclosed in which a backing plate extends over a relatively large surface area to dissipate force from a punch. A punch retainer body and the backing plate are permanently connected to each other and include passages which a... | 01/26/1993 |
| 5042352 | Quick change tool holder A quick change tool holder for a punch press having a die holder, a die base secured to the puch press and a releasable holding device which is manually actuatable to secure and release the die holder to and from the die base without the use of any tools.... | 08/27/1991 |
| 5040400 | Power actuated tool for installing metal corner strip A power actuated tool for attaching a protective metal strip to the outside corner formed by two intersecting wall panels is provided. The tool includes a shoe releasably mounted on the tool for holding the tool and the protective strip in alignment along... | 08/20/1991 |
| 5038599 | Ball lock punch retainer An improved punch retainer is disclosed in which a backing plate extends over a relatively large surface area to dissipate force from a punch. A punch retainer body and the backing plate are permanently connected to each other and include passages which a... | 08/13/1991 |
| 5022256 | Clamping device The invention relates to a clamping device for the clamping of at least one piece of tooling, for instance an upper tooling or a press, which device comprises: two clamping jaws moveable towards and away from one another, between which the tooling can be ... | 06/11/1991 |
| 4738130 | Structure for mounting mandrels in tube expanding apparatus A structure for mounting mandrels in a tube expanding apparatus comprising a horizontal mounting plate fixed to the underside of a vertically movable slide and having a plurality of passage holes through which the mandrels suspendingly extend. The structu... | 04/19/1988 |
| 4637113 | Tool for removing and reapplying rivets This disclosure relates to a tool which is connected to a conventional air-powered chisel to remove old rivets and reapply new rivets, the tool including a collar secured by set screws to a chuck end portion of the power chisel and carrying a sleeve slida... | 01/20/1987 |
| 4476615 | Tool for removing and reapplying rivets This disclosure relates to a tool which is connected to a conventional air-powered chisel to remove old rivets and reapply new rivets, the tool including a collar secured by set screws to a chuck end portion of the power chisel and carrying a sleeve slida... | 10/16/1984 |