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Assignee: Sankyo Seisakusho Co.


Location: Tokyo, JP
No. of patents: 27

NumberTitleIssue Date
7946580Sheet material feeding apparatus with guide members passing through roll grooves
A sheet material feeding apparatus capable of favorably guiding a sheet material to perform smooth feeding comprises a pair of rolls and first and second guide members and permits a sheet material to pass between the first guide member and the second guide member. O...
05/24/2011
7793567Clamping device and rotary table apparatus
A clamping device for clamping a rotatably supported shaft, is provided with a thin-walled sleeve arranged such that a gap is provided along a circumferential direction of the shaft. The clamping device clamps the shaft by deforming the thin-walled sleeve towards th...
09/14/2010
7748302Workpiece exchanging apparatus and lathe unit
A workpiece exchanging apparatus for exchanging a machined workpiece with an unmachined workpiece is provided, the workpiece exchanging apparatus including a gripping arm provided at its two longitudinal end sections with gripping sections for gripping, respectively...
07/06/2010
7603930Rotary table apparatus
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 protrudi...
10/20/2009
7451869Article carrying apparatus
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 s...
11/18/2008
7395743Lathe spindle unit and lathe apparatus
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...
07/08/2008
7383942Article carrying apparatus
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...
06/10/2008
7237449Drive mechanism and movable table unit provided with the same
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 tw...
07/03/2007
7229380Power transmission device and plate-material feeding apparatus incorporating thereinto the same
A power transmission device is capable of correctly adjusting relative positions of two shafts in a direction of rotation even when the shafts are rotationally driven, and comprises a hollow, outer shaft, to one end of which a drive gear is fixed, an inner shaft, to...
06/12/2007
7219792Article carrying apparatus
An article carrying apparatus for carrying, in a carrying direction, an article placed on a carry face of a carry section making use of a vibration, includes: the carry section provided with the carry face of which the carrying direction is linearly restricted; and ...
05/22/2007
7213316Machine tool and detachable/attachable motor
A machine tool is provided with: a rotating table apparatus that has a table for holding a workpiece, and that rotates the table based on a drive force that has been input; a processing area for processing the workpiece, the rotating table apparatus being carried in...
05/08/2007
7188722Article carrying apparatus
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...
03/13/2007
6990898Mechanical pressing machine
A mechanical pressing machine includes a slider mounted on an input shaft at a location below a cam, and a sliding block and a balance weight mounted at locations above the cam. A first cam follower rotatably carried on the slider abuts against a lower surface of th...
01/31/2006
6955345Inclining and rotating table apparatus
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 ro...
10/18/2005
6009773Motion conversion apparatus
A motion conversion apparatus having a torque compensation device which is operable to cancel a fluctuation torque, acting on an input shaft due to an inertia load and a fluctuation torque acting on the input shaft due to a frictional load. The motion con...
01/04/2000
6000298Fluctuation torque cancellation apparatus
A fluctuation torque cancellation apparatus which positively cancels a torque fluctuation developing on an input shaft or an output shaft of a motion conversion apparatus for converting a continuous rotational motion of the input shaft into a predetermine...
12/14/1999
5687645Mechanical pressing machine
There is disclosed a mechanical pressing machine in which an unbalanced inertia force, produced during reciprocal movement of a slider, is canceled without producing deflection in the whole of the pressing machine, thereby enhancing dynamic precision. The...
11/18/1997
5632430Material feeding apparatus
A material feeding apparatus intermittently feeds a material having a relatively large width at high speed with high accuracy, whereby adjustment of the apparatus and the die maintenance can be readily performed, and the material will not be easily damage...
05/27/1997
5603880Method and apparatus for manufacturing tablets
It is an object of the present invention to realize a method and an apparatus for efficiently mass-producing tablets of high mechanical strength, accuracy and quality which are so excellent in solubility and collapsibility that they can be easily taken by...
02/18/1997
5544576Mechanical pressing machine having a load fluctuating torque cancelling device
In a mechanical pressing machine, a flywheel is fixedly mounted on an input shaft, and a drive cam plate is fixedly mounted on the input shaft intermediate opposite ends thereof, and a torque compensation plate cam is mounted on the other end of the input...
08/13/1996
5544577Mechanical pressing machine with means for cancelling load fluctuation torque
In a mechanical pressing machine, a torque compensation plate cam is mounted on one end of a crankshaft, and a cam follower mounted on a distal end of a piston rod of a resilient force-producing device is held in pressing contact with the torque compensat...
08/13/1996
5509351Dynamically balanced mechanical pressing machine
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...
04/23/1996
5467706Mechanical pressing machine with dynamic balancing device
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 pressi...
11/21/1995
5467633Mechanical pressing machine
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 ...
11/21/1995
5413304Apparatus for supporting coil material supply device
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...
05/09/1995
5392977Coil material supply apparatus for an intermittent feed device
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 fo...
02/28/1995
5377517Reforming apparatus
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 r...
01/03/1995
 
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