Class 100/271 - Mechanical force mutiplier

Subclass of Class 100 - Presses
Definition: Apparatus in which the means for mechanically causing movement
No. of patents: 39
Last issue date: 06/05/2007

Number	Title	Issue Date
7225693	Slide 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
7178454	Compactor apparatus including single cylinders and guide members on the sides of an on-board module builder of a cotton harvesting machine Compactor apparatus for an on-board module builder, including single cylinders and guide members on opposite sides of the module builder for guiding and effecting a cotton compacting process. The compactor apparatus includes a frame disposed in a cotton module build...	02/20/2007
6575087	Press 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
5947018	Mechanical press with cam drive A mechanical press has a ram carried by a frame and movable to advanced and retracted positions by a ball screw assembly driven by a reversible motor to actuate a cam and follower assembly connected to the ram by a linkage system. The linkage system has a...	09/07/1999
5947104	Manually-operated hydraulic linear actuators A linear actuator, which may be used as a rock trimmer, comprises a support member extending upwardly from a work surface, and a first cleaving member coupled to the support member so as to be disposed above the rock sample opposite the work surface, the ...	09/07/1999
5930880	Intensification method and apparatus for hemming machine A closure panel hemming apparatus includes a lower support supporting a lower hemming die and an upper support spaced from and mounted above the lower support supporting an upper hemming die. The upper and lower supports are relatively vertically moveable...	08/03/1999
5878618	Machine for bending sheet and plate metal through dual wedge system A press brake, or other machine for bending sheet metal or plate metal, comprises a frame, a bed mounted to the frame, and a ram movably mounted to the frame. An assembly for moving the ram relative to the bed to bend sheets and plates of metal positioned...	03/09/1999
5799573	Press with hydraulically operated linkage mechanism with rollers for providing four point roller contact A single-cylinder hydraulic press has a ram member spaced apart from a lower head die, and a work area being defined therebetween. The cylinder and the piston rod enable reciprocating movement of the ram member relative to the lower head die. A linkage me...	09/01/1998
5791241	Press with pneumatically operated linkage mechanism with rollers for providing four point roller contact A single-cylinder pneumatic press has a ram member spaced apart from lower head die, and a work area being defined therebetween. The cylinder and the piston rod enable reciprocating movement of the ram member relative to the lower head die. A return sprin...	08/11/1998
5784919	Folding unit A corner bending unit (2) for achieving a reciprocating movement in a tool holder (14) for a bending tool (12), the tool holder being articulated to a foundation (4) via parallel links (16, 18). The corner bending unit (2) has a pneumatic cylinder (38) wi...	07/28/1998
5738006	Portable truss repair device A portable press device for repairing truss joints includes jaw members spaced opposite each other having first and second end portions. A mechanism interconnects the jaw members for relative pivotal movement therebetween. A pair of plate members are disp...	04/14/1998
5699730	Bag squeezer A bag squeezing apparatus for breaking up bridging of material being delivered from the bag. A pair of jaws are sequentially operated to impact opposite sides of the bag....	12/23/1997
5606910	Press-driven tool module in particular press-driven cross-punching or bending unit A press-driven tool module comprising a foundation body including a cylindrical bore; a work ram slidably mounted in the cylindrical bore of the foundation body for sliding movement in non-vertical reciprocal operating and return directions, the ram adapt...	03/04/1997
5596923	Press working machine In the press working machine, a first working plate is downwardly moved by a rod of an air cylinder. At this time, the lower end of a lock pin is in contact with a horizontal plane, whereby the first working plate is rotated about a second rotation axis. ...	01/28/1997
5495742	Press for hemming panels The invention relates to an apparatus for bending a flange into engagement with a workpiece. A bending tool is mounted on a tool holder connected to a stand by a linkage mechanism. The linkage mechanism includes a first link with its ends journalled on a ...	03/05/1996
5479838	Two-stage drive type lever unit and machine apparatus using the same A lever unit 11 having a fulcrum regulator 12 movably connected to a first motor 14 and a force point regulator 13 movably connected to a second motor 15, in which the motor 15 is driven while the motor 14 is stopped, thereby moving an injection mold 20A ...	01/02/1996
5467704	Waste container reformer and method for reforming waste containers A waste container reformer, for reforming generally disk-shaped compacted waste containers into prismatic forms, sequentially presses the sides of the waste container into a prism with a 45°-90°-45° triangular base so that when it is placed adjacent to...	11/21/1995
5458058	Refuse packer assembly A device for packing or compressing refuse material into a container, which my be mounted on a vehicle or installed at a fixed site. The device includes a paddle mounted for oscillatory angular motion about a generally vertical axis in a hopper assembly. ...	10/17/1995
5352084	Refuse carrier for recyclable and non-recyclable material There is disclosed a refuse system in which a conventional truck chassis includes a conventional garbage loading receptacle with a compaction device therein. The system provides additional compartments for reception of recyclable material. The compartment...	10/04/1994
5272903	Hemming machine A machine for hemming an edge portion of an arcuate panel having a fixed die with an arcuate contour complementary to the panel, a moveable die head having prehemming and hemming dies thereon with edge contours, respectively, complementary to the edge con...	12/28/1993
5267511	Device for pressing buttons by resisting upward movement A device is disclosed for pressing objects by lifting the objects into a waiting pressing shaft. The shaft includes a forming element at its lower end for forming the object, and the shaft is engaged by its upper end through a pivot member to an air cylin...	12/07/1993
5263408	Food press Food press of the kind comprising pressing means adapted to operate on the food(s) to be pressed comprising at least one grid (12) and at least one plate (13) between which the food(s) (42) must be disposed, characterized in that hydraulic operating means...	11/23/1993
5253572	Press with independent controls for reciprocation of and pressure application by RAM A press includes a reciprocation unit having a crank structure which is driven in horizontal reciprocation by an associated press drive. A motion direction shifting unit having a link structure is coupled to the reciprocation unit a ram so as to reciproca...	10/19/1993
5250141	Hand-held apparatus for vulcanizing the bead zone of a pneumatic tire A hand-held apparatus for vulcanizing the damaged bead zone of a pneumatic tire. The apparatus includes tongs to engage the bead to be repaired and a hold-up element to engage the diametrically opposite point on the bead. At least one transport and manipu...	10/05/1993
5123339	Compactors A compactor which includes a framework 10 adapted for reception of an open-topped rubbish container 14, a compacting plate 16 pivotally mounted on the framework 10 about an axis 20 adjacent to and parallel to the rear upper edge 22 of the rubbish containe...	06/23/1992
5050422	Bending apparatus for bending a marginal flange on a workpiece Apparatus for bending a margin flange (5) which projects at an angle to a surface of a workpiece (4) against that surface, includes a bending tool (6) which is mounted on a tool holder (7) which by a linkage system (8-13) is connected to a stand (1) which...	09/24/1991
5038597	Bending apparatus for bending a marginal flange on a workpiece Apparatus for bending a margin flange (5), which projects at an angle to a surface on a workpiece (2), against the workpiece. The apparatus includes a bending tool (6) which is mounted on a tool holder (14) carried by a parallelogram mechanism (7-12) for ...	08/13/1991
5005398	Hemming machine A machine for hemming a panel having a fixed die with an edge contour complementary to an edge of the panel, a movable die head having prehemming and hemming dies thereon with edge contours, respectively, complementary to the edge contour of said panel, a...	04/09/1991
4782749	Screw press with an actuator A screw press comprises an actuator for producing a thrust parallel to an axis of a screw spindle so that by the use of the thrust the screw spindle is axially moved relative to a female screw which is threadably connected with the screw spindle, whereby ...	11/08/1988
4646555	Dual stage press A two stage press comprising a first and second power cylinder, a cam activated by power cylinder, and a base plate for material to be worked wherein a tool can be brought into contact with material at very high pressures, particularly applicable in solde...	03/03/1987
4406726	Apparatus for producing compacted insulating glass having parallel planar faces The apparatus for producing compacted insulating glass comprises two substantially vertical press platens, one of which is adapted to be moved relative to the stationary press platen in a frame in order to perform the compacting operation. Racks extending...	09/27/1983
4350091	Crank press with hydraulic transmission In a crank press having a pedestal and a rotatable crank shaft journaled thereon and connected to a reciprocal top platen guidably mounted on the pedestal to form work pieces, the improvement which comprises a hydraulic motor mounted on the pedestal havin...	09/21/1982
4333396	Two-stage can crusher An apparatus is disclosed for a two-stage crushing of empty cans along their longitudinal axes to collapse them to minimum bulk. The apparatus has a stanchion fixed to a base and long and short lever arms pivotally mounted on the stanchion. A pivotal link...	06/08/1982
4301723	Cylinder operated swinging ram cutoff press A swinging ram type cutoff press for severing lengths of elongated stock such as tubing is provided of the type in which a ram is supported for swinging movement to operate a cutoff die set. The cutoff press includes a power cylinder combined with a toggl...	11/24/1981
4262588	Scissor press A press for applying nailing plates across joints of wooden trusses and for other like usage is disclosed. A suspension harness for the press is adapted to be carried by an overhead universally movable support. The lower jaw member of the press is rockabl...	04/21/1981
4218910	Press brake A novel press brake is disclosed which incorporates a double lever actuating mechanism which is easily adjustable to vary the stroke of the press brake as well as adjusted to counteract the rotational forces imparted to the ram by reason of differential r...	08/26/1980
4201130	Fluid-operated press The fluid-pressure actuated press is mounted on a column structure. It has a ram, a piston, and an associated piston rod. The free end of the piston rod reciprocates downwardly. A support adjustably mounts the ram on the column structure. A lever bar has ...	05/06/1980
4131403	Mounting press A portable hydraulic press for use in preparing metallurgical specimens, is disclosed herein, which requires relatively little force to operate and eliminates repumping during specimen preparation. The press includes a linkage assembly which connects an o...	12/26/1978
4104962	Press A press which is suitable for use in fabricating wooden trusses is disclosed, wherein the press includes a lower stationery press platen and an upper moveable press platen opposing the lower press platen. Bellcranks are mounted on the lower press platen s...	08/08/1978

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Class 100/271 - Mechanical force mutiplier