Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7363693 | Wire-processing device A wire-processing device has a belt-drive that feeds a wire to a swivel-arm with a gripper. Drives operate the swivel-arm in a swiveling motion and/or in a linear motion. The swivel-arm has a neutral position on a longitudinal axis of the wire and on the axis is a p... | 04/29/2008 |
| 6676587 | Integrated emboss module The emboss module of the present invention provides for automatic die and bolster conversion. The emboss module includes a frame, a die changer sub-assembly and a bolster sub-assembly. The die changer sub-assembly includes rotatable die changers for autom... | 01/13/2004 |
| 6626809 | Cutter depot structure for use in general machining center A machining center is provided with a cutter depot structure comprising a cutter socket, a cutter disk, and a round machine frame. The cutter socket is rotatably mounted on the periphery of the cutter disk by a retaining pin which is put through an L-shap... | 09/30/2003 |
| 6579216 | Tool exchanging apparatus for a processing center A tool exchanging apparatus for a processing center, provided with at least one tool spindle (2), in which a tool (1) can be clamped and which can be moved in the direction of the spindle axis and at least also in a direction vertical to this direction, e... | 06/17/2003 |
| 6514184 | Rotating tool pot chain A rotating tool pot chain is capable of bending in both directions, the tool pot sweeps a relatively small area as it rotates, and the chain is capable of holding the tool pot stably. A pair of inner link plates (23) and a pair of outer link plates (24), ... | 02/04/2003 |
| 6155961 | Tool carousel A tool carousel comprising a plurality of wheel sections which can be joined together to form a carousel wheel and a plurality of tool-holding portions. Each tool-holding portion and wheel section is configured such that each tool-holding portion can be j... | 12/05/2000 |
| 6149562 | Manual tool changing apparatus A manually operated apparatus for removal and insertion of a tool holder to and from a tool pocket of a magazine includes two components--a multi-function insertion/removal tool, and a pivot bracket. The multi-function tool generally comprises an elongate... | 11/21/2000 |
| 5342161 | Holder changer A holder changer includes a robot fixed to front or rear faces of a press, and an oblique elevator which obliquely moves a plurality of holders to a work moving level from a lower level in a direction crossing a work moving direction. A fixing portion at ... | 08/30/1994 |
| 4979284 | Apparatus for changing a sensing device A device for changing styli or probes in a coordinate measuring machine has a magazine (330) with several stations each holding a stylus or probe (320). A holder (310) on the quill of the coordinate measuring machine has an opening (313A), so that kinemat... | 12/25/1990 |
| 4835837 | Tool magazine The invention concerns a tool magazine for program-controlling machine tools, comprising a supporting structure, a holder including the tool receptacles, and a program-controlled electrical drive mechanism for moving the holder together with the tool rece... | 06/06/1989 |
| 4835838 | Automatic tool changer in machine tool An automatic tool changer in a machine tool for automatically changing a tool. The machine tool includes a main frame, a main spindle head movably provided to the main frame, a main spindle rotatably disposed in the main spindle head, the main spindle hea... | 06/06/1989 |
| 4819320 | Automatic drill bit change apparatus for robot drilling Where components are drilled by means of a robot a problem occurs when different size holes are needed to be drilled. The existing solution to this problem is to provide a drill unit (including drill bit, chuck and feed device) for each size of hole to be... | 04/11/1989 |
| 4813122 | Machine tool A machine tool with a vertically reciprocating spindle head has an automatic tool changer including a rotatingly indexable tool support connected to the machine tool frame and vertically movable independently of the spindle head, a first cam-and-crank mec... | 03/21/1989 |
| 4800645 | Machining center with magazine for the tools The mechanical machining center is associated with a magazine for the tools in which the tools are collected in two horizontal rows superposed on vertical frames (pallets) transportable by means of a rotatable handling device from the magazine to a positi... | 01/31/1989 |
| 4712289 | Installation for the automatic grinding of curved surfaces An installation for the automatic grinding of surfaces, especially of body surfaces to be painted of a motor vehicle, in which the grinding aggregate is machine-guided and the grinding disk exchange at the grinding aggregate is realized automatically. For... | 12/15/1987 |
| 4692990 | Hollow tool exchanging mechanism for a machine tool A machine tool, such as an internal grinding machine, includes a tool quill with a hollow tool having a deformable hub releasably held thereon and a compound slide for moving the tool quill relative to a tool removal arm and a replacement tool storage chu... | 09/15/1987 |
| 4679296 | Machine tool A machine tool with a vertically reciprocating spindle head has an automatic tool changer including a rotatingly indexable tool support connected to the machine tool frame and vertically movable independently of the spindle head, a first cam-and-crank mec... | 07/14/1987 |
| 4658494 | Apparatus for drilling printed circuit boards An apparatus for forming openings in printed circuit boards includes a work table for supporting the printed circuit boards, and at least one drilling unit movable relative to the work table. The apparatus uses drills each having a shank, a collar fitted ... | 04/21/1987 |
| 4625387 | Cutting machine with automatic changing of tools and tool magazines A cutting machine with automatic changing of tools and tool magazines comprising a fixed body with spindle. On the body is mounted longitudinally a mobile compound cross slide and a transversely mobile column thereon. Behind the body there is mounted a to... | 12/02/1986 |
| 4419807 | Tool change device A tool change device, for transferring selected tools between a rotary tool magazine and the rotary spindle of a machine tool. The magazine has a plurality of sector-shaped tool holders, in each of which one tool is stored. Tools are individually loaded o... | 12/13/1983 |
| 4182021 | Tool magazine with a tool removal device A tool magazine is provided wherein an endless chain carrying a plurality of tool sockets is guided on a magazine frame and is indexable to present to a removal station one of the tool sockets receiving a desired tool. An operating arm mechanism carrying ... | 01/08/1980 |
| 4019246 | Machine tool with automatic tool changer A machine tool includes an indexing device for indexing a spindle to a predetermined angular position for engagement between a key member disposed upon the spindle and a key-way disposed upon a tool to be used. When either the tool, to be used next, upon ... | 04/26/1977 |
