| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 4896560 |
Indexing device |
January 30, 1990 |
| An indexing device comprises a rotatably driven input shaft; a globoidal cam having, for the purpose of outputting intermittently the rotation of the input shaft, a taper rib defining a cam face which has a disk-shaped end face gradually yielding to a helical face about the input shaft; |
| 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 |
| 4869411 |
Roll feed apparatus |
September 26, 1989 |
| A roll feed apparatus in which a plate material is held in a pair of rolls and fed intermittently, in a predetermined length at a time, by the oscillated operation of the rolls, the distance between the rolls is adjusted by a material thickness adjusting mechanism, the power of the r |
| 4850336 |
Flue control device |
July 25, 1989 |
| A device for adjustably restricting the flow of exhaust gases in a furnace flue to conserve fuel is disclosed. It comprises two interlocking pipe sections and a helical element having one end fixed to the inner surface of each pipe section. The helical element has a circular opening alon |
| 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 |
| 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 |
| 4761988 |
Press apparatus for small precision part |
August 9, 1988 |
| A press apparatus having a crank shaft mounted in a crown and having at least one crank portion, and first, second and third roller followers which are fitted on the crank portion to be rotatable about the axis of the crank portion eccentric with the rotational axis of the crank shaft |
| 4667531 |
Cam mechanism |
May 26, 1987 |
| A cam mechanism includes a continuous rotary shaft connected to a drive source, a cam fixed on the rotary shaft to convert each continuous rotation motion of the rotary shaft to a compound horizontal and vertical motion, and an output member coupled with the cam. The cam comprises a |
| 4648288 |
Power transmitting device |
March 10, 1987 |
| A planetary roller type power transmission device has a first rotary shaft and a second rotary shaft which are arranged coaxially, a sun roller connected to the first rotary shaft, a stationary outer ring disposed concentrically with the sun roller, and a plurality of planet rollers |
| 4638990 |
Roll feed apparatus with adjustable nip |
January 27, 1987 |
| A roll feed apparatus having a first roll and a second roll for oscillatory rotation in opposite directions such as to intermittently feed a sheet clamped therebetween. The roll feed apparatus comprises a pivot member having one end fitting on a pivot shaft extending from the housing of |
| 4630493 |
Cam arrangement |
December 23, 1986 |
| A cam arrangement comprises a solid cam mounted on an input shaft for rotation and having a plurality of ribs formed on a circumferential surface thereof, the solid cam being formed to a non-circular configuration at an outer periphery of the ribs, the ribs including a linear portion |
| 4625845 |
Overload release latch |
December 2, 1986 |
| An overload release clutch includes a bearing for receiving the load of a drive flange on a cylindrical boss. The bearing has a first row of ball bearings disposed between an upper edge of the boss and a first curved flange and a second row of ball bearings disposed between a lower edge |
| 4605147 |
Roll feed apparatus |
August 12, 1986 |
| A roll feed apparatus has first and second rolls designed for cooperation with each other in clamping therebetween a sheet material such as to intermittently feed the same. The apparatus also has a release/brake device having first and second braking members which temporarily fix the |
| 4601420 |
Roll feed apparatus |
July 22, 1986 |
| A roll feed apparatus for intermittently feeding a sheet-like blank material to successive work stations has a pair of sector rolls adapted to be driven by an oscillation driving device in synchronism with each other such as to clamp the material therebetween and feed the same interm |
| 4586259 |
Output rotational angle indicating device of rocking rotational angle altering system |
May 6, 1986 |
| A rocking rotational angle altering system is equipped with an improved output rotational angle indicating device. The device includes a movable block and a cam rod brought into engagement with each other in rolling contact. The movable block has rolling elements mounted to act as a unit |
| 4549683 |
Roll feed apparatus |
October 29, 1985 |
| A roll feed apparatus for feeding a sheet material successively to different working stations. The apparatus includes an oscillation driving device, a main sector roll integrally carried by a main roll shaft and adapted to be oscillatorily driven by the oscillation driving device, and |
| 4475678 |
Roll feed apparatus |
October 9, 1984 |
| A roll feed apparatus suited for use in automatic manufacturing machines, in feeding a sheet-like material intermittently. The apparatus comprises a main sector roll and a sub-sector roll adapted to cooperate with each other in clamping therebetween the sheet-like material and in feeding |
| 4415108 |
Roll feed apparatus |
November 15, 1983 |
| A roll feed apparatus comprises a main roll (4) and a subroll (8) adapted to cooperate with the main roll to feed a flat workpiece (7) in a clamped state on a step-by-step basis. The main roll is mounted on an output shaft (2) of an intermittent motion mechanism (3) to be intermittently |
| 4304348 |
Roll type sheet material feeding apparatus |
December 8, 1981 |
| A sheet material feeding apparatus of a roll type includes a main feed roll and an auxiliary roll adapted to cooperate with the main roll to feed a sheet material in a clamped state on a step-by-step basis. The main roll is mounted on an output shaft of an indexing drive unit to be i |
| 4282779 |
Indexing drive apparatus |
August 11, 1981 |
| An indexing drive apparatus comprises a cam assembly connected to a drive source, a cam follower turret adapted to follow the rotation of the cam assembly to be swung, a turret shaft having the turret assembly fixedly mounted thereon and adapted to be rotated in an oscilatory manner in |
| 4282779 |
Indexing drive apparatus |
August 11, 1981 |
| An indexing drive apparatus comprises a cam assembly connected to a drive source, a cam follower turret adapted to follow the rotation of the cam assembly to be swung, a turret shaft having the turret assembly fixedly mounted thereon and adapted to be rotated in an oscilatory manner in |
