| Patent Number |
Title Of Patent |
Date Issued |
| 7603930 |
Rotary table apparatus |
October 20, 2009 |
| A small-sized, lightweight rotary table apparatus is provided. The rotary table apparatus has: a support rest for rotatably supporting a rotary table; and a base for turnably supporting, in a cantilever fashion, the support rest by a shaft element, which is protrudingly formed on the |
| 7451869 |
Article carrying apparatus |
November 18, 2008 |
| An article carrying apparatus is capable of carrying an article efficiently and correctly. The article carrying apparatus for carrying an article, includes: a housing; an input shaft rotatably supported by the housing; an output section supported by the housing in such a manner that |
| 7395743 |
Lathe spindle unit and lathe apparatus |
July 8, 2008 |
| A lathe spindle unit is provided with: a rotatable spindle having a cam follower, and a holding section for holding a work piece; a drive source for rotatively driving the spindle; and a driven rotation shaft that has a cam and that is rotatively driven by the drive source. The driven |
| 7383942 |
Article carrying apparatus |
June 10, 2008 |
| An article carrying apparatus is capable of inhibiting a force that acts on the apparatus due to vibration being applied to its carry section in order to carry an article. The article carrying apparatus includes: a carry section for restricting, to a circumferential direction, a carrying |
| 7237449 |
Drive mechanism and movable table unit provided with the same |
July 3, 2007 |
| A drive mechanism is interposed between two members to make the members move relatively with respect to each other. At least one of the two members is guided to move linearly. The drive mechanism comprises: cam followers that are rotatably supported on one of the two members, that ar |
| 7188722 |
Article carrying apparatus |
March 13, 2007 |
| An article carrying apparatus is capable of inhibiting a force that acts on the apparatus due to a vibration being applied to its carry section in order to carry an article. The article carrying apparatus includes: a carry section for linearly restricting a carrying direction of an artic |
| 7066318 |
Transporting apparatus |
June 27, 2006 |
| A transporting apparatus permits to intermittent indexing with freely and independently setting stop position of work tables and stopping period adapting to each individual work station. The transporting apparatus sequentially transports a work table across a plurality of work stations. |
| 7024740 |
Rotating table apparatus |
April 11, 2006 |
| A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving device, and a rotating table which is rotatingly driven by sa |
| 6955345 |
Inclining and rotating table apparatus |
October 18, 2005 |
| An inclining and rotating table apparatus comprises a rotating table device having a rotating table, and a support base for rotatably supporting the rotating table having a shaft body provided perpendicular to a rotation axis of the rotating table, and a base for rotatably supporting the |
| 6865968 |
Cam apparatus and pick and place apparatus utilizing the same |
March 15, 2005 |
| There is provided a pick and place apparatus including a cam apparatus which comprises an input shaft (5); a first output shaft (7); rotational motion converting cam mechanism (21); a slider member (9); a relative rotation regulating cam mechanism (31); a cam link mechanism (41); a s |
| 6862786 |
Rotating table apparatus |
March 8, 2005 |
| A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving means, and a rotating table which is rotatingly driven by said |
| 6786856 |
Cam-type automatic tool-exchanging apparatus having shutter driving mechanism |
September 7, 2004 |
| 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/lowering-motion producing c |
| 6773382 |
Automatic tool-exchanging apparatus |
August 10, 2004 |
| An automatic tool-exchanging apparatus is provided which extends/contracts an arm with a rational and simple structure and can realize a high-speed operation essentially obtainable by making the arm's turning radius small. The apparatus comprises: an arm-driving shaft for being driven to |
| 6716146 |
Tool Magazine |
April 6, 2004 |
| A automatically indexing tool magazine, of the type attached to machining centers that incorporate an automatic tool change function, able to hold a relatively large number of tools in a compact space as means of improving space efficiency. The tool magazine is comprised of a rotatable m |
| 6708815 |
Article conveyor device |
March 23, 2004 |
| There is provided an article conveyor device which may effectively convey an article by a cam drive. The article conveyor device comprises a reciprocating portion which reciprocates by being driven by a cam, and an article conveyor portion for conveying an article, having an inclination |
| 6679131 |
Cam apparatus and pick and place apparatus utilizing the same |
January 20, 2004 |
| There is provided a cam apparatus which operates an output shaft by converting a continuous rotational motion at a constant speed of an input shaft into a complex rotation super-positioning an oscillating rotational motion and a rotational motion at an inconstant speed. The cam apparatus |
| 6637290 |
Housing oscillating type cam apparatus, and work shifter using such apparatus |
October 28, 2003 |
| A housing (21) which comprises an input shaft (22) and a second output shaft rotatably supported in a housing (21), and a first output shaft (23) rotatably supported to be movable in the axial direction as well as the rotational direction, a first cam mechanism (25A) which transmits the |
| 6601470 |
Cam mechanism |
August 5, 2003 |
| A cam mechanism through which torque applied to an input shaft is converted into the bi-directional rotation and reciprocating axial movement of an output shaft. Two cam elements are utilized, one consisting of a roller gear cam attached to the input shaft, and the other of a recessed ch |
| 6598733 |
Article conveyor device |
July 29, 2003 |
| The article conveyor employs two cams of different configuration. One cam imparts oscillatory motion to an output shaft; whereas the other cam imparts a reciprocating motion. The article conveyor moves in a conveying direction from a first position to a second position and back to the fi |
| 6547441 |
Cam mechanism |
April 15, 2003 |
| A cam mechanism incorporating a highly precise bearing structure that improves the dynamic stability of the cam mechanism's rotating output component. Relevant structures consist of a worm gear driven rotating shaft driving a rotating output shaft supported by a cross roller bearing |
| 6454684 |
Automatic tool changing apparatus |
September 24, 2002 |
| Disclosed is an automatic tool changing apparatus which comprises a tool magazine storing a multiplicity of tools each held by tool holding means, the tool magazine having a tool port through which the tools are loaded into or unloaded from the tool magazine; a tool shifter translating t |
| 6186014 |
Cam mechanism |
February 13, 2001 |
| A cam powered mechanism which uses two cam forms, a swing arm, and turret to drive an output shaft with a compound radial and axial movement. An arrangement in which a cam follower is positioned opposite each planar surface of the rectangular spline connecting the turret and output shaft |
| 5975284 |
Carrier apparatus |
November 2, 1999 |
| The present invention relates to a carrier apparatus for clamping a work by a two-dimensional rectangular motion of a pair of feed bars to automatically carry the work linearly. The carrier apparatus has at least three cams for feed and clamp rotated by an input shaft. Each of the ro |
| 5943915 |
Two-dimensional motion producing apparatus |
August 31, 1999 |
| The present invention relates to a two-dimensional motion producing apparatus for converting rotation of an input shaft to a two-dimensional motion in an X-direction of an output member and in an Y-direction orthogonal thereto. This apparatus of the present invention is constituted b |
| 5943860 |
Pressure loss compensation device of a fluid pressure circuit and cam arrangement incorporating |
August 31, 1999 |
| A pressure loss compensation device for a fluid pressure circuit automatically compensates a pressure loss of a working fluid pressure as required or regularly, in the fluid pressure circuit. A cylinder device forming the pressure loss compensation device is provided in the intermedi |
| 5876316 |
Automatic tool changer |
March 2, 1999 |
| An automatic tool changer can reduce a space required for an output shaft and thus permits downsizing of the whole device. Also, the automatic tool changer can reduce an inertia force in reciprocal linear motion to perform high speed operation. The automatic tool changer has a motion con |
| 5806367 |
Intermittent indexing apparatus using cam mechanism |
September 15, 1998 |
| An intermittent indexing apparatus has a simple structure of supporting portions for bearings without requiring complicated manufacturing processes. The intermittent indexing apparatus includes input shaft, an output shaft, and a housing. An indexing cam is provided on the input shaf |
| 5509351 |
Dynamically balanced mechanical pressing machine |
April 23, 1996 |
| There is disclosed a mechanical pressing machine utilizing a crankshaft, in which an unbalanced inertia force produced during a reciprocal movement of a slider is canceled without producing a flexure in the whole of the pressing machine, thereby enhancing a dynamic precision. A balance w |
| 5467706 |
Mechanical pressing machine with dynamic balancing device |
November 21, 1995 |
| There is disclosed a mechanical pressing machine utilizing a rotation cam, in which an unbalanced inertia force, produced during a reciprocal movement of a slider, is canceled in a slider system without producing a large flexure in the whole of the pressing machine, thereby enhancing a |
| 5467633 |
Mechanical pressing machine |
November 21, 1995 |
| There is disclosed a mechanical pressing machine of the general-purpose type which has advantages of a crank press, a knuckle press and a cam press. The pressing machine includes a slider which is mounted on a frame for vertical sliding movement, and has an upper press die mounted on a |
| 5413304 |
Apparatus for supporting coil material supply device |
May 9, 1995 |
| A support apparatus for a coil material supply device includes first and second arms pivotally mounted at their proximal end portions on a frame by respective pins, a third arm which has distal end portions of the first and second arms pivotally supported thereon by respective pins, and |
| 5392977 |
Coil material supply apparatus for an intermittent feed device |
February 28, 1995 |
| A coil material supply apparatus is provided between an uncoiler for unwinding a coil material (or a leveler for flattening the unwound coil material) and an intermittent feed device of a mechanical press. This apparatus includes a pair of feed rollers for feeding the coil material u |
| 5377517 |
Reforming apparatus |
January 3, 1995 |
| There is disclosed apparatus for reforming a work material into a flat configuration. A pair of first and second sprockets are mounted respectively on a drive shaft and a driven shaft disposed parallel relation to each other, the pair of sprockets being rotatable at the same speed. A |
| 5356062 |
Roll feed apparatus for intermittently feeding a workpiece |
October 18, 1994 |
| A roll feed apparatus of the type including a pair of rolls for clamping a workpiece therebetween and for intermittently feeding the workpiece, comprises a differential gear, operatively connected to at least one of the rolls, for rotating the roll(s). A mechanical feeding mechanism is |
| 5145169 |
Roll feed device |
September 8, 1992 |
| A roll feed device includes a rotatable main roll, and a rotatable sub-roll. The main roll includes an annular stator, and an annular rotor rotatably mounted around the annular stator. The annular stator and the annular rotor cooperate with each other to provide a direct drive motor. |
| 5013016 |
Positioning table |
May 7, 1991 |
| A positioning table includes a pair of direct drive motors mounted on a flat surface of a base. One of the direct drive motor drives a parallel crank mechanism so as to move a table in one direction. The other direct drive motor drives an arm member connected to the table through a rail, |
| 4967619 |
Material feeding apparatus |
November 6, 1990 |
| An apparatus for converting an oscillatory motion to a linear sliding motion comprises a slide block provided for reciprocatory sliding movement along a linear path and an oscillating shaft. An oscillating arm is adopted to oscillate about the axis of the oscillating shaft. The oscil |
| 4955254 |
Eccentricity control device |
September 11, 1990 |
| An eccentricity control device, suitable for use as a slide stroke control device in a press, has a rotary shaft including an eccentric member mounting portion, and an eccentric member mounted on the eccentric member mounting portion. The eccentric member has an outer peripheral surface |
| 4955243 |
Motion transforming apparatus |
September 11, 1990 |
| A motion transforming apparatus for transforming a continuous rotary motion of an input shaft into a motion of a predetermined type of an output shaft through a motion transmitting cam device. The fluctuating torque loaded on the input shaft by the motion transmitting cam device is compe |
| 4938610 |
Rolling contact device |
July 3, 1990 |
| A rolling contact device having a shaft adapted to be secured to an element of an apparatus, an outer ring adapted to be in rolling contact with another element of the apparatus, and rolling elements disposed between the shaft and the outer ring, includes an abutting portion provided on |
| 4914977 |
Stroke control device for use in press |
April 10, 1990 |
| A stroke control has an eccentric member fitting on an eccentric member mounting portion of a drive shaft and the eccentric member is at an eccentricity with respect to the drive shaft and has sliding surfaces which are in sliding engagement with the eccentric mounting portion. A con |
| 4899616 |
Press with stroke control device |
February 13, 1990 |
| A press with a stroke control device has a drive shaft having an eccentric member mounting portion with an eccentric member thereon, the eccentric member is at an eccentricity with respect to the drive shaft and has sliding surfaces which are in sliding engagement with the eccentric |
| 4883210 |
Material feeding apparatus |
November 28, 1989 |
| A material feeding apparatus for intermittently feeding a sheet or rod material in a predetermined length has a first gripper device having a first fixed gripper and a first movable gripper for cooperation with each other in clamping and unclamping a material therebetween, and a second |
| 4881828 |
Rolling contact device |
November 21, 1989 |
| A rolling contact device having a shaft adapted to be secured to an element of an apparatus, an outer ring adapted to be in contact with another element of the apparatus, and rolling elements disposed between the shaft and the outer ring. The contact device has a projection mounted on or |
| 4848636 |
Roll feed apparatus |
July 18, 1989 |
| A roll feed apparatus for intermittently feeding a strip by a constant length into manufacturing machines. A pair of first and second rolls and a pair of first and second brake shoes are arranged along a strip transporting path. The rolls move swingingly in a strip transporting direc |
| 4844444 |
Roll feed apparatus |
July 4, 1989 |
| A roll feed apparatus has first and second rolls for gripping a plate when rotated in first directions and moving from each other when rotated in second directions, and first and second brake pieces for fixing the plate during rotation in the second direction. A pivot body has support po |
| 4836101 |
Pressing machine |
June 6, 1989 |
| A pressing machine has a drive pulley secured to a press crank shaft, an intermediate shaft parallel to the press crank shaft and an input shaft of a material feeding device, the intermediate shaft being supported by a tension adjusting device which is rotatably supported by the crank sh |
| 4819850 |
Material feeding apparatus |
April 11, 1989 |
| A material feeding apparatus for intermittently feeding a sheet or rod material in a predetermined length has a first gripper device having a first fixed gripper and a first movable gripper for cooperation with each other in clamping and unclamping a material therebetween, and a second |
| 4776505 |
Roll feed apparatus |
October 11, 1988 |
| A roll feed apparatus for intermittently feeding a strip by a constant length into manufacturing machines. A pair of first and second rolls and a pair of first and second brake shoes are arranged along a strip transporting path. The rolls move swingingly in a strip transporting direc |
| 4638991 |
Adjustable nip roll feed apparatus with braking/releasing device |
January 27, 1987 |
| A roll feed apparatus having a first roll and a second roll for intermittently clamping therebetween and feeding sheet material. An adjusting device is provided for adjusting the gap between the first and second rolls and includes a pivot member adapted to cause, when it pivots, the |
