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Class 100/257 - Range of movement adjustment


Subclass of Class 100 - Presses
Definition: Apparatus in which there is means other than a force multiplier
No. of patents: 214
Last issue date: 03/27/2012


1            
NumberTitleIssue Date
8141482Hydraulic fine blanking head for a press and method of its infeed
A hydraulic fine blanking head for a mechanical press and an infeeding method for same. The hydraulic fine blanking head includes an adjusting mechanism having an adjusting nut provided with an internal motion thread engaged with external motion threads on a main cy...
03/27/2012
8065955Hydraulic press
A hydraulic press is provided that includes a frame having a base, an upper member positioned above the base and a pair of laterally spaced side members extending upwardly from the base to the upper member. The hydraulic press also includes a cross-member extending ...
11/29/2011
7832331Slide position sensor and press machine
A slide position sensor includes: a link supporting member projecting from the slide toward the upright, a dual axis link member whose first end is rotatably supported and hung by the link supporting member, a plate rotatably supported and hung by a second end of th...
11/16/2010
7516695Press machine
A rotary ring (34) formed such that an outer circumference is eccentric with respect to an inner circumference is provided to an outer circumference of an eccentric drum (333) of an eccentric shaft (33). An adjustment ring (41) formed suc...
04/14/2009
7246533Reciprocating counterweight structure for a reciprocating saw
A counterweight in a reciprocating saw counterbalances a reciprocating shaft assembly adapted to hold a saw blade. The counterweight is supported for reciprocating motion by slides which ride within slots formed in a housing adapted to hold the reciprocating mechani...
07/24/2007
7225693Slide drive device for a press
A slide drive device for a press changes a slide stroke without a changing either a top or bottom dead center position of a slide. The slide drive device allows stroke adjustment without a loss of left-right balance in the slide drive device. An adjusting mechanism ...
06/05/2007
7182590Mold clamping mechanism of injection molding machine
A toggle type mold clamping mechanism for preventing the degradation of parallelism between stationary and movable platens, which is caused due to a clearance between a pin and a bushing, with use of a simple construction. A mold clamping force acting on the pin is ...
02/27/2007
7160098String hopper making machine
A string hopper making machine has a dough container removably mounted in a vertical manner in a frame. An extrusion piston is mounted on a vertical rod extending through a vertical guide channel formed in a guiding block mounted on the frame. The vertical rod is pi...
01/09/2007
7152523Press machine
A drive mechanism drives a slide in a cycle along a centerline. The slide includes a press center symmetrical with a frame centerline. A frame includes guides aligned with the press center and the slide to eliminate rotative force upon the slide during operation and...
12/26/2006
7143617Press
A press forming machines includes displacement measuring means for measuring a displacement between a slide plate and a reference plate. Control means measures a positional displacement of each of the driving sources by using the displacement measuring means in each...
12/05/2006
7140163Blister-foil packaging machine
A lower foil formed with upwardly open filled pockets passes horizontally at a constant transport speed through a work station of a machine frame. A support table holds an upper tool immediately above the foil in the station. A double parallelogrammatic linkage has ...
11/28/2006
7127870Replacement lock lever for an automatic beverage filling machine
Replacement lock levers and related methods are disclosed which accommodate adjustment to acceptable tolerances of the force applied to cans being filled by the platform lift cylinder assemblies of the automatic beverage filling machine, due to an eccentricity of th...
10/31/2006
7114365Ram guidance system
A ram guidance system for a stamping press is provided including an outer bush mounted to a portion of the stamping press. The outer bush has a central passageway sized and arranged so that a reciprocating ram extends through the passageway. An inner bush is coaxial...
10/03/2006
7111549T-gib dynamic balancer weight guide
A guide system is provided to slidingly guide a reciprocating dynamic balancer weight within a press machine. An elongate stationary guide rail is disposed within a vertical channel formed at one side of the balancer mass. In this configuration, the guide rail is ar...
09/26/2006
7036345Method of monitoring ram speed of press brake, press brake using the method, and method and apparatus for controlling ram position of press brake
A vertical position of a ram is directly detected by a ram position detector. A first speed arithmetic operating portion determines a first ram moving speed on the basis of a change of the detected position. A second speed arithmetic operating portion determines a s...
05/02/2006
7024913Adjustable stroke mechanism
An adjustment stroke connection for a mechanical press includes an eccentric bushing disposed within a press connection member and an eccentric crankshaft member disposed within the eccentric bushing. A rotatable crankshaft is connected to the eccentric member. A me...
04/11/2006
7013800Mechanical press
The object of this invention is to provide a mechanical press that presents no inconvenience in press operations despite its low height, providing great stability and excellent durability. The invention comprises a slide guiding mechanism provided at an upper...
03/21/2006
7007529Pressing machine
A press forming machine having a slide plate which reciprocates by driving sources between a lower support stand and an upper support plate and has a forming space between the lower support stand and the slide plate. In the press forming machine, a reference plate f...
03/07/2006
7007530Bending method and bending device
In bending a workpiece, a position of the workpiece relatively pressed down by a punch is directly detected by a plurality of position detectors provided in a V-groove of a die, and a bending speed calculation section obtains a bending speed from a change in this po...
03/07/2006
6931909Punch press
In a cube space having high rigidity, the following members are provided: a die holder (103) which can be pulled out forward, a punch holder (47) fixed to a separate bridge structure, a striker which can be positioned in an XY plane for selecting a des...
08/23/2005
6877422Mechanical press
The present invention provides a mechanical press with a low height. A sliding guide mechanism and a position adjusting mechanism are provided on the upper and lower sides of an adjustor member, respectively. The sliding guide mechanism converts the rotating motion ...
04/12/2005
6871586Slide drive apparatus and slide drive method for pressing machine
A slide drive apparatus and a slide drive method for a pressing machine capable of enhancing positioning precision at the time of adjustment of die height, and responding to pressing work at high stroke per minute. For this purpose, the drive apparatus includes a sl...
03/29/2005
6868351Displacement based dynamic load monitor
An apparatus and method for monitoring the force severity of a mechanical press able to do so without utilizing a contact force sensor. The method continually computes values of dynamic deflection for the press being monitored and utilizes these values to compute lo...
03/15/2005
6826946Forming machine with a rotating wedged disc
A forming machine according to the invention comprises at least one forming station having a punch and a die as tools and a device for setting the axial position of one of the two tools. The setting device has, as adjusting wedge, a rotary wedge disk which is rotata...
12/07/2004
6820455Metal working machine
The invention metal working machine includes a stationary frame and a moving frame. Both the stationary frame and the moving frame carry opposite corresponding tool dies that perform metal working operations when the moving frame translates relative to the stationar...
11/23/2004
6772682Press shutheight adjustment using bolster hydraulic tie rod assemblies
A shutheight adjustment system incorporating tie rods and accompanying hydraulic tie rod nut assemblies in connecting a bed to a bolster of a mechanical press for dynamically altering the tensioning of the tie rods. Each hydraulic tie rod nut assembly includes a cyl...
08/10/2004
6769355Auto-positioning inching control
An auto-positioning inching control for a mechanical press allows a press operator to select one of a plurality of preset slide stop zones in which the slide may be stopped. A programmable logic controller is utilized to compute values of clutch dropout which will o...
08/03/2004
6715409Method and apparatus for eliminating free clearances in a press shutheight adjustment mechanism
An apparatus for use in a press machine eliminates the free clearances present between the threaded portions of a screw and adjustment nut assembled in a shutheight adjustment mechanism. A hydraulic assembly directs a pressurized fluid against an outer periphery of ...
04/06/2004
6708610Bolster-elevating device for a press
Guide posts that guide the elevating motion of a slide also serves as the guide means for the elevating motion of a bolster. A bolster elevation drive means consists of a hydraulic cylinder. The top of the hydraulic cylinder is connected to the bottom of the bolster...
03/23/2004
6679164Press machine
A press machine comprising a base, a guide member provided in such a manner that an end thereof orthogonally intersects the base, a support plate provided in such a manner that the other end of the guide member orthogonally intersects the guide member, a ...
01/20/2004
6666316Hydraulic actuated radial friction clutch/brake
The present invention relates to an apparatus and method for adjusting the stroke length of a slide in a press. A sleeve works as a fluid bearing in relation to a shaft. Upon applying pressure to the sleeve, the sleeve creates an interference fit with the...
12/23/2003
6666134Method and apparatus for adjusting the gib-slide clearance using a thermal treatment process
A feedback control system for use in a press machine is adapted to monitor and adjust the clearance between the gib and slide. A connection bolt provides a connection between the gib and frame upright. A thermal applicator selectively heats and/or cools t...
12/23/2003
6662715Slider link press
A slider link press includes an oscillation link operating about a fulcrum shaft and an eccentric crank pin. A connecting link connects the oscillation link to a slide. The oscillating link and fulcrum shaft act to increase press torque, reduce downward p...
12/16/2003
6647869Positive lock for infinite adjustable stroke mechanism
A positive lock for infinite adjustable stroke alignment mechanism for a mechanical press with an eccentric bushing disposed within a press connection member with a second eccentric member disposed within the eccentric bushing. A rotatable crankshaft is c...
11/18/2003
6606941Method of altering the drive mechanism of a mechanical press
A mechanical press having a variable drive arrangement. The press includes a link drive which drives a crankshaft. The drive altering mechanism includes an adjustment device which changes the position of the link drive, thereby altering the drive mechanis...
08/19/2003
6581427Method of adjusting the stroke of a press brake
A method of adjusting the stroke of a press brake having a movable beam (1) supporting a punch (2), a fixed beam (3) supporting a die (4), means of displacing (5, 5') the movable beam with respect to the fixed beam, said displacement means resting on side...
06/24/2003
6575087Press machine having suspension mechanism
A suspension mechanism is formed as a liquid-tight structure by fitting the bottom end of a female screw member using a liquid-tight sealing member provided between a slider and a retainer and by covering the retainer with the liquid-tight sealing member....
06/10/2003
6553903Hydraulic press
An hydraulic press includes a head member removably connected at each opposite end to a leg and formed of a unitary sheet of steel rolled into a generally U-shaped transverse cross-section. The head member includes a reinforcing tube at its mid portion. T...
04/29/2003
6520075Double action hydraulic press
A high precision, all-purpose, double action hydraulic press, which can control the speed, position, and parallelism of each slide, can conduct mold exchanges easily, and prevent the breakthrough phenomenon is provided with an outer slide 4, an inner slid...
02/18/2003
6494116Stroke adjusting device for press machine
A stroke adjusting device for removing eccentric instability in an mechanical rotary system. The stroke adjusting device includes an adjustable rotation balancing weight adjustable about an eccentric bushing positioned on an eccentric shaft. The adjustabl...
12/17/2002
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