...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8114000 | Machine tool with automatic tool changer A tool changing unit moves between a magazine position and a changing position to transfer a tool. A machine tool has a plurality of tool changing positions. One of the tool changing positions is selected in advance for changing the tools next time. The tool changin... | 02/14/2012 |
| 7547270 | Machine tool with optimally positioned operator station An operator station is positioned on the outside of a machine tool on the same side of the machine as the tool magazine and the automatic tool changer, to improve the ergonomics of the machine by keeping the tool loading access as close as possible to the operator. ... | 06/16/2009 |
| 7374526 | Tool replenishing apparatus A tool changing apparatus automatically changes tools mounted on the spindle of a transfer machine module. The apparatus includes a tool gripper magazine that releasably holds at least two tools. A guillotine supports the tool gripper magazine for motion between a r... | 05/20/2008 |
| 7357769 | Machine tool Machine tool simplifying maintenance, reducing manufacturing costs, and enabling high precision machining. The machine tool is equipped with: a bed furnished with a rectangular base, right and left sidewalls provided standing either side of the base, and a rear side... | 04/15/2008 |
| 7348616 | Ferroelectric integrated circuit devices having an oxygen penetration path Ferroelectric integrated circuit devices, such as memory devices, are formed on an integrated circuit substrate. Ferroelectric capacitor(s) are on the integrated circuit substrate and a further structure on the integrated circuit substrate overlies at least a part o... | 03/25/2008 |
| 7344113 | Tool holder having a clamping hole A tool holder includes a base body having a through hole and a tubular clamp rotatable between first and second positions. The tubular clamp has a plurality of axially extending split parts which extend through the through hole and which define a clamping hole to cl... | 03/18/2008 |
| 7293337 | Machining apparatus A machining apparatus for conducting at least one of a cutting process and a grinding process, comprises a stationary base; and a working device mounted on the stationary base and having a degree of freedom of more than two axes to conduct at least one of a cutting ... | 11/13/2007 |
| 7267642 | Automatic tool changing device and working machine An automatic tool changing device (30) has a tool storage device (31) with a plurality of tools stored therein, a tool chucking unit (41) and a tool unchucking unit (51) both capable of advancing/retreating between the tool storage device... | 09/11/2007 |
| 7266871 | Machine tool To provide a machine tool in which supporting stiffness of a tool post is increased, thereby enabling improvement in machining accuracy. When seen in a Z-axis direction, a tool post 5 includes: a supporting member 30 having a pair of left and right leg... | 09/11/2007 |
| 7232406 | Tool changer of machine tool To provide a tool changer of a machine tool capable of preventing chips from scattering to the outside of the machine from an opening of a cover to adhere to a sliding portion or a gripper portion during tool change. A tool magazine 42 holding a large number ... | 06/19/2007 |
| 7229395 | Cover structure of a machine tool A cover structure of a machine tool with a simple structure which improves work efficiency by minimizing an opening portion. An opening portion is defined in a reverse concave shape at one lateral side of a cover. The opening portion includes two tool passing portio... | 06/12/2007 |
| 7226403 | Machine tool, in particular a drilling and milling machine A machine tool (1, 1′), in particular a drilling and milling machine, comprising a housing (20) having a machine bed (2), together with side walls (3, 4) and doors (5, 6, 7), comprising a fixed, pivotable or rotatable work table ... | 06/05/2007 |
| 7223221 | Column moving type machine tool with shield machining space A machine tool capable of reducing the lateral width of the upper part thereof by reducing the lateral width of a bed (1) while machining through the same lateral moving distance of a spindle (10) as before, comprising longitudinal guide rails (2 | 05/29/2007 |
| 7211033 | Machine tool A machine tool has at least one working spindle, in which a tool receptacle for tool holders is provided. Furthermore, there is a tool-changing arm with a gripper, for a tool holder in order to transfer this tool holder between its magazine position, which is spaced... | 05/01/2007 |
| 7192225 | Machine tool Machine tool having a bed, a table arranged on the bed, a first saddle provided free to travel back and forth, a second saddle supported on the first saddle and provided free to travel side to side, a spindle head provided free to travel perpendicularly on the secon... | 03/20/2007 |
| 7182720 | Machine tool A machine tool has a support table provided on an upper surface of a bed to support a work, a Z-axis saddle, a machining unit mounted on the Z-axis saddle and provided with a machining head, a compartment cover arranged on the bed to compartment a region and a machi... | 02/27/2007 |
| 7169100 | Tool change magazine for laser beam machine The invention aims at providing a tool change magazine for laser beam machine to improve machining efficiency of a laser beam machine by installing a tool change magazine containing laser machining tools equipped with a torch and a nozzle replaceably attached to the... | 01/30/2007 |
| 7137940 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction, movement of the turn table in a Y-axis direction, and movement of a spindle in a Z-axis direction, so t... | 11/21/2006 |
| 7127786 | Machine tool The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and b... | 10/31/2006 |
| 7115082 | Machine tool A machine tool has a working spindle in which a tool receptacle for tool holders is provided. Furthermore, there is at least one tool-changing arm with a gripper in which a tool holder is held in a peripheral alignment with respect to the gripper in order to transfe... | 10/03/2006 |
| 7108647 | Tool changer of machine tool The present invention provides a tool changer of a machine tool capable of suppressing cost increase and preventing size increase of the machine when a tool magazine is mounted. In a tool changer of a machine tool provided with a pallet change mechanism 10 in... | 09/19/2006 |
| 7063654 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction and movement of a spindle on a Y-Z plane, so that a width of a main unit in a X-axis direction can be ma... | 06/20/2006 |
| 7063653 | Horizontal machining center A horizontal machining center 1 has a table 20 on a bed 10. An X-axis slidable surface is provided on the bed 10, and a column 30 is driven by a servo motor 32. A spindle stock 40 is supported on the column 30 ... | 06/20/2006 |
| 7048679 | Tool-changing system The invention discloses a tool-changing concept in which tools are accommodated in a rack and, by means of a storage and retrieval unit located behind the rack, are removed and fed through the rack to a tool changer, by means of which it is possible to remove a tool... | 05/23/2006 |
| 7024783 | Apparatus for changing operating modules on a coordinate positioning machine A storage port (20) for separating a magnetically coupled task module (18) from a modular probe (16) mounted on a machine comprises a housing (22) and arm (24) receivable by the task module (18). A mechanism is provided for ... | 04/11/2006 |
| 7010851 | Automated machine for setting bendable nailing pins on a frame The machine includes a movable carriage (5) carrying an application gun (8) filled with pins for application, which is movable above a work station composed of a table (1) carrying an endless belt (2). The machine is provided with a rack ... | 03/14/2006 |
| 6949057 | Multi-function end effector A multi-function end effector includes a plurality of tool change mechanisms in a housing in which a spindle is also mounted for translation along an axis of the spindle. Each tool change mechanism has a gripper that releasably grips a tool holder in which a tool is... | 09/27/2005 |
| 6918719 | Machine tool A machine tool is provided which is designed so that chips generated by the machining of a workpiece can assuredly be introduced onto a chip conveyer disposed in a trough of a bed through oil pans. The machine tool includes a column provided on one end portion of a ... | 07/19/2005 |
| 6786856 | Cam-type automatic tool-exchanging apparatus having shutter driving mechanism A cam-type automatic tool-exchanging apparatus comprises: a housing; an input rotary shaft within the housing; a rotational-motion converting cam within the housing and rotationally driven by the input rotary shaft and outputting a rotational motion; a lifting/lower... | 09/07/2004 |
| 6685608 | Device for loading and unloading tools into/from the tool magazine of a machine-tool or the like A device for loading and unloading a tool into/from the tool magazine of a machine-tool or the like comprises a door, which separates the area of the tool magazine from an external protected area, and a tool-bearing slide, which can be displaced between a... | 02/03/2004 |
| 6648806 | Device for loading and unloading tools into/from the tool magazine of a machine-tool Described herein is an oscillating-drawer device for loading and unloading tools into/from the tool magazine of a machine-tool.... | 11/18/2003 |
| 6296599 | Machine-tool A machining tool for dry processing includes an encapsulated workspace having arranged therein a workpiece support which is displaceable on a machine bed. The guide members of the workpiece carrier are arranged externally of the workspace, so that chip re... | 10/02/2001 |
| 6251720 | High pressure reoxidation/anneal of high dielectric constant materials A high dielectric constant (HDC) capacitive dielectric film is fabricated in a capacitor structure using relatively high pressure surface treatments. After forming the HDC capacitive dielectric film on a supporting bottom plate electrode structure, a surf... | 06/26/2001 |
| 6228007 | Machine tool for processing crankshafts The machine tool comprises a workpiece carrier (16) into which crankshafts (10, 10a) can be clamped one above the other in horizontal alignment. The workpiece carrier (16) is fixed to a turntable (15) on a horizontal slide (14) with the turntable being pi... | 05/08/2001 |
| 6220799 | Machine tool A machine tool of small scale, light weight, and low cost, yet accomplishing a high degree of precision in machining. A spindle (2) is encased in a body frame (1) and disposed preferably in such a manner that the spindle (2) is movable along an axial cent... | 04/24/2001 |
| 6203479 | Automatic tool changing device for machine tools An automatic tool changing device (ATC) for machining tools is disclosed. The ATC consists of arbor rotation guide means, arbor position changing means, arbor rotation means, tool changing means and ATC protection means. The ATC is positioned at a side of... | 03/20/2001 |
| 6200247 | Machine tool with tool changer A machine tool and more particularly a drilling and/or milling machine, which has a machine stand, on which a slide arrangement, which runs on guide rails and is motor driven, is able to be moved in either direction of horizontal motion. On this slide arr... | 03/13/2001 |
| 6077206 | Storage device for machine tools A storage device for a machine tool having a ram, includes a cylinder of mounted for rotation in a chamber mounted to a frame of the machine tool adjacent the ram. The chamber has an opening and the cylinder is mounted for rotation about an axis parallel ... | 06/20/2000 |
| 6010440 | Automated machine tool including a plurality of processing units and a shared tool stocker An automated machine tool is provided and includes a frame having a first workpiece transfer station at a first location on the frame; at least two self-contained processing units, each of the units including structure for holding the workpiece for proces... | 01/04/2000 |
| 5853358 | Method and machine tool for mounting and dismounting blind cover A method and an apparatus for mounting and dismounting a blind cover, which is used for protecting an exposed surface, from cutting fluid and chips. The blind cover is held and carried by a blind cover carrier having a shank mountable into a main spindle ... | 12/29/1998 |