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Class Information
Number: 100/289
Name: Presses > Reciprocating press construction > With mechanical force multiplier > Screw and nut
Description: Apparatus in which the mechanical device includes an internally screw threaded member and an externally screw threaded shaft with the member extending around the shaft and the screw threads of the shaft and member interengaging, the pressure surface being made to move relative to the fixed abutment by the relative rotation of the shaft and member.










Sub-classes under this class:

Class Number Class Name Patents
100/290 Plural screws 39


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8418607 Waste compaction and lift gate mechanism Apr. 16, 2013
8397356 Triple bar, high efficiency mechanical sealer Mar. 19, 2013
8001749 Packaging machine having a lifting unit Aug. 23, 2011
7997190 Dual force ram drive for a screw press Aug. 16, 2011
7950325 Trash compactor May. 31, 2011
7926137 Can opener, press and lid remover Apr. 19, 2011
7913617 Plastic bottle crushing system and method Mar. 29, 2011
7584678 Power transmission method and device having load sensing thrust augmentation mechanism Sep. 8, 2009
7574891 Press Aug. 18, 2009
7562621 Bidirectional lens pressing system Jul. 21, 2009
7552676 Power operated container crushing device Jun. 30, 2009
7475633 Bottle crushing device Jan. 13, 2009
7416143 Tablet crusher Aug. 26, 2008
7415862 Press device Aug. 26, 2008
7401548 Movable plate drive device and press slide drive device Jul. 22, 2008
7293500 Press Nov. 13, 2007
7284407 Reciprocating drive mechanism and press using the same Oct. 23, 2007
7131371 Electronically actuated press Nov. 7, 2006
7111482 Punch assembly for hydroforming die Sep. 26, 2006
7098419 Driving device and clamping tool equipped with same Aug. 29, 2006
7089852 Waste compactor Aug. 15, 2006
7082809 High capacity mechanical drive arrangement Aug. 1, 2006
6990896 Electric high speed molding press Jan. 31, 2006
6983533 Differential press tool Jan. 10, 2006
6931714 Optical component assembly system Aug. 23, 2005
6877422 Mechanical press Apr. 12, 2005
6871586 Slide drive apparatus and slide drive method for pressing machine Mar. 29, 2005
RE38562 Press having a dosing system Aug. 10, 2004
6679164 Press machine Jan. 20, 2004
6647870 Drive apparatus, press machine slide drive apparatus and method thereof Nov. 18, 2003
6615712 Mechanical press drive Sep. 9, 2003
6526878 Device and method for controlling pressure in binding media Mar. 4, 2003
6520077 Screw press Feb. 18, 2003
6481346 Compactor Nov. 19, 2002
6435082 Portable electropressing apparatus Aug. 20, 2002
6189444 Press having a dosing system Feb. 20, 2001
6050181 Compactor system Apr. 18, 2000
5974960 Conduit compression fixture Nov. 2, 1999
5967029 Automatic aluminum can crusher Oct. 19, 1999
5947018 Mechanical press with cam drive Sep. 7, 1999
5899141 Method of crushing an oil filter May. 4, 1999
5857407 Oil filter crusher Jan. 12, 1999
5829347 Electropressing apparatus Nov. 3, 1998
5829348 Can crusher and storage system Nov. 3, 1998
5746126 Rubbish compressing apparatus May. 5, 1998
5738006 Portable truss repair device Apr. 14, 1998
5709125 Punch drive apparatus Jan. 20, 1998
5692437 Portable bearing press Dec. 2, 1997
5692435 Dewatering press Dec. 2, 1997
5669296 High ratio screw actuated press Sep. 23, 1997

1 2 3










 
 
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