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Class 100/282 - Shaft turned cam or crank and pitman


Subclass of Class 100 - Presses
Definition: Apparatus in which the connection is between a pitman and/or
No. of patents: 152
Last issue date: 04/22/2008


1        
NumberTitleIssue Date
7360482Crank roller paper cutting device
This invention reveals a crank roller paper cutting device, which comprises a base, a supporter, a handle part, a master roller, a slave roller, and a group of speed-reducing gears. Via the group of speed-reducing gears, handle part correlates to the master roller a...
04/22/2008
7357073Drive unit and drive method for press
A press drive unit and press drive method are provided which decrease the cycle time of a press to improve its productivity, enable use of small-sized, inexpensive presses and provide improved product quality. To this end, the press drive unit comprises a drive shaf...
04/15/2008
7331281Press with vertically reciprocated frame
A press has an upper traverse, a lower traverse below the upper traverse, and vertical frame elements extending between the traverse, fixing same together against relative movement, and forming a rigid frame with the upper traverse and lower traverse. A central trav...
02/19/2008
7328655Juice extractor with drive and return cams for extractor cup movement
A juice extractor includes at least one pair of extractor cups being relatively moveable for compressing fruit therebetween. A drive mechanism engages at least one of the extractor cups and includes a drive cam that drives the extractor cup into engagement with the ...
02/12/2008
7310988Drive device for a mechanical press
The invention provides a drive device for a mechanical press with a two-step speed reduction mechanism for driving a slide of the mechanical press and includes a drive pinion provided concentrically with a crankshaft, a main gear mounted on said crankshaft, intermed...
12/25/2007
7308925Apparatus for assembling substrates of planar fluorescent lamp
Apparatus for assembling substrates of a planar fluorescent lamp including a base mounted movable along a process line, the base having an upper surface for placing a first substrate of the fluorescent lamp, at least one movable board over the base, the movable boar...
12/18/2007
7234337Punch Press
A punch press that provides an arrangement of a motor and a crank mechanism so that the motor does not project far from the side of a frame. The punch press includes a servo motor, a ram which drives a press tool, a crank mechanism which converts a rotating motion t...
06/26/2007
7185585Container crusher
An apparatus for crushing containers includes a die defining an opening, a punch, and a system for displacing the die and punch relative to each other. The punch may be fixed and the die may be moved from a first position spaced apart from the punch such that a cont...
03/06/2007
7162908Device for handling the upper moving table carrying the punch in a bending press
The invention deals with the field of bending presses, and, more precisely, deals with a device for handling the upper table moving along guiding pillars and carrying the punch. For every table guiding pillar, the device provides for a main lever (10) hinged ...
01/16/2007
7156016Juice extractor with integral juice manifold and cup bridge
A juice extractor and associated method includes an extractor frame, extractor cup mounted for movement within the extractor frame and a cup bridge mounted within the extractor frame. A juice manifold is integral with the cup bridge for receiving juice during extrac...
01/02/2007
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
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
7100499Strap pressing device for a strap packing apparatus
A strap pressing device for a strap packing apparatus includes a strap presser, an eccentric shaft, and a spring. The eccentric shaft consists of a first shaft and a second shaft eccentrically connected to the first shaft and received in an oval hole of the strap pr...
09/05/2006
7062949Metal forming press having straight line drive mechanism
A metal forming press has an oscillating beam driven at its center by a connecting rod connected to a throw on a crankshaft. The upper end of the beam is pivoted to a link which drives a ram. The lower end of the beam pivots about a rotating eccentric shaft having a...
06/20/2006
7028611Motor driven link press
The present invention provides a motor driven link press which enables working with a heavy press load and also enables a working cycle time to be improved even when a motor with a relatively low output power is used and which can be properly controlled easily. A mo...
04/18/2006
7004006Motor driven link press
The present invention provides a motor driven link press which enables working with a heavy press load and also enables a working cycle time to be improved even when a motor with a relatively low output power is used and which can be properly controlled easily. A mo...
02/28/2006
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
6945165Motor driven link press
The present invention provides a motor driven link press which enables working with a heavy press load and also enables a working cycle time to be improved even when a motor with a relatively low output power is used and which can be properly controlled easily. A mo...
09/20/2005
6926513System for minimizing platen drive shaft flex in a thermoforming press
A system for minimizing platen drive shaft flex in a thermoforming press employed in a thermoforming process is provided. The thermoformer press molds plastic sheets into finished articles. The system minimizes rotational vibrations in a platen drive shaft that actu...
08/09/2005
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
6862983Dual high pressure rotary union for mechanical power press
A fluid delivery system supplies two or more fluids to a rotatable shaft integrated within a device such as a mechanical press and develops damped clearance spaces at the bearing surfaces of the fluid coupling device. In one arrangement, a rotary union is adapted fo...
03/08/2005
6805045Press production series with offset drive
In a press production series for massive forming with a toggle drive for driving a ram, varying stroke speeds of the ram motion are attached by adjustment of cogwheels of an planetary gear system having fixed connecting dimensions. Uniform machine frames can thus be...
10/19/2004
6711995Infinite variable slide motion for a mechanical power press
An infinite variable slide motion for a mechanical power press is achieved by use of a differential located on the press drive system. Differential movement means are employed to rotate the differential relative to the drive system so that the output of the differen...
03/30/2004
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
6629494Slide driving device for a press machine
A slide driving device for a press machine is driven by a first and second upper toggle link mechanisms pivotably mounted above a slide. The upper toggle links include first links connected at a connecting link along a common tangent line. The connecting ...
10/07/2003
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
6595125Slide drive unit of a press
Angle (θ) formed by straight lines (A, B) connecting a fixed shaft (23) and two connecting shafts (24, 25) of a triaxial link (16) of a slide drive unit (10) is set acute, so that position of a slide at any crank angle can be made higher than a conventio...
07/22/2003
6564704Press with eccentric crank drive for upper punch unit, and operating method
A press for pressing pulverulent materials, in particular metal powder, having an eccentric crank drive, which has at least one connecting rod and a crankshaft and a gearwheel which is connected thereto in a rotationally fixed manner, for driving an upper...
05/20/2003
6546856Safe and environment friendly press
A pressing machine, particularly a fast operating pressing machine equipped with a pressing head forced into longitudinal jigging motion in a working range over a bench (46) by an eccenter disk (8), having an eccentric shaft, through a crank arm (9). The ...
04/15/2003
6481345Slide driving method for link type transfer press and link type transfer press
A link type transfer press is driven by continuously dwelling the slide in the vicinity of the top dead center thereof with the use of a link mechanism. With this arrangement, a motion index angle of a feeder can be taken by a large degree even though the...
11/19/2002
6477945Double-action mechanical press
A double-action mechanical press is capable of easily keeping the dynamic balance, simpler in structure and provides an improved processing accuracy by maintaining the parallelism in upper and lower rams. The double-action mechanical press has a crank mec...
11/12/2002
6474227Method of controlling synchronous drive of pressing machine and pressing machine usable in the method
With a method of controlling synchronous drive of a plurality of pressing machines, each of the pressing machines has a motor, a drive shaft to which a torque of a flywheel driven by the motor is transmitted through a clutch and a slide driven by the driv...
11/05/2002
6453806Infinite variable slide motion for a mechanical power press
An infinite variable slide motion for a mechanical power press is achieved by use of a differential located on the press drive system. A differential movement mechanism is employed to rotate the differential relative to the drive system so that the output...
09/24/2002
6321646Wet clutch/brake adapted to access press lubricant
A mechanical press having a wet clutch/brake assembly. The wet clutch/brake assembly is cooled and lubricated using a recirculating flow of lubricant. The entire press acts as a heat sink for the recirculating lubricant and effectively cools and lubricate...
11/27/2001
6314873Thermal presses for forming articles from a web of thermoplastic material and methods of operating thermal presses
Thermal presses and methods for operating thermal presses in the fabrication of finished articles from a web of thermoplastic material. In one embodiment, a thermal press includes a primary frame, a drive shaft rotatably attached to the frame, and a first...
11/13/2001
6311612Link adjustment member
A mechanical press having a variable drive arrangement. The press includes a link drive which drives a crankshaft. The drive altering mechanism includes adjustment means which changes the position of the link drive, thereby altering the drive mechanism of...
11/06/2001
6305279Tool drive apparatus
A tool drive apparatus and method are provided which are particularly well suited for the processing of semiconductor chips on leadframe strips. The tool drive apparatus includes at least one press having a tool-receiving space, a top and bottom tool rece...
10/23/2001
6289754Drive apparatus for a forming machine
A drive unit for a forming machine, comprising a rotary drive and a knuckle-joint drive for a gear transmission operating a ram, the knuckle-joint drive being operationally connected through a gear transmission to the rotary drive. To improve the drive ri...
09/18/2001
6247399Press machine
A press machine includes upper and lower slides respectivelly attached to upper and lower portions of posts movable in the up and down directions; a link mechanism having first and second levers connected with each other to cause bending and stretching mo...
06/19/2001
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