U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 83/582 - Constantly urged tool or tool support (e.g., spring biased)


Subclass of Class 83 - Cutting
Definition: Apparatus wherein a tool blade is continuously subjected
No. of patents: 105
Last issue date: 11/15/2011


1      
NumberTitleIssue Date
8056458Extruder cut-off knife assembly having remote adjustment mechanism
A knife assembly (10) particularly adapted for coupling with an extruder barrel (26) is provided having a knife shaft (16) supporting a knife unit (14), with the knife shaft (16) axially rotatable and axially shiftable through fore...
11/15/2011
7377203Storage device lid
A lid for a storage device having a storage film is provided. The lid has a lid body and a cutting member having a cutting surface. The cutting member is movable between a first position in which the cutting surface is remote from the storage film and a second posit...
05/27/2008
7325472Film cutting device
A fixed cutter is provided on a top surface of an adsorption type carrying belt that carries a film. A cylindrical cutter holder having a rotary cutter is provided in the vicinity of the fixed cutter. The fixed cutter has nearly a triangular cross section, and inclu...
02/05/2008
7299609Piston-cylinder actuator and mounting support for the lower tool of an indexing packaging machine
A piston-cylinder arrangement is provided for mounting and actuating the lower tool of an indexing packaging machine, which has an annular piston head that has a ratio of outer diameter to inner diameter that is less than two, and which drives a relatively oversized...
11/27/2007
7217051Slitter module with optional cutter
A slitting mechanism has one or more slitting shafts between rotating brackets. Each shaft has one or more slitting disks arranged along its length. Each disk has a cutting edge and the slitting mechanism can either enter or not enter a path followed by a web of med...
05/15/2007
7208000Surgical cutting device
The present invention provides a single-use surgical cutting device for cutting a planar piece of tissue into a predetermined shape. The cutting device comprises a housing having one or more side walls, a top, a base, and a hollow interior portion. A blade retaining...
04/24/2007
7171884Resilient cutting blades and cutting devices
Steel reinforced tire fabrics are cut with long rigid bar blades, circular disc blades and disc and anvil blades. All of these blades may have an open relatively deep slot spaced close to the cutting edge that creates a resilient cantilevered spring element that inc...
02/06/2007
7111540Dual purpose puncher
A dual-purpose puncher combining two-hole and three-hole punch assemblies, is shown and described. The dual purpose puncher provides a duality of uses to the consumer without the necessity for readjustment. In the preferred embodiment, the two-hole punch asse...
09/26/2006
7073423Compliance device for trimming a workpiece
A compliance device having a housing, a support block coupled to the housing and movable relative to the housing along a linear axis, and a tool holder coupled to the support block and rotatable relative to the support block about a rotational axis. The compliance d...
07/11/2006
7047858Chamfer device for cutting packaging materials
A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen...
05/23/2006
7000512Blow molding trimming
A blow molded container (10) having a trimmed nonround opening (12) is blow molded from a preform (36) and then positioned by a positioner (50) of a nonround trimmer (16) that includes a rotary driven arm assembly (56) havin...
02/21/2006
6979153Deep-grooving insert having stepped cutting edge
A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ...
12/27/2005
6941848Procedure for the production of a bar notch
A bar notch (3) in the side of a side member (1) and a shaping cut (4) at the end of a cross member (2) for the bar jointing of a side member (1) with a member (2) in workpieces of wood, plastics or MDF—medium density fibe...
09/13/2005
6931974Cutting apparatus
A cutting apparatus for cutting a sheet material is provided. The cutting apparatus includes a platform; a rail structure secured onto the platform; a sliding member sliding along the rail structure; a cutting member movably engaging with and carried by the sliding ...
08/23/2005
6877413Slideable hole punch
A slideable hole punch, having an upper seat, at least one drill set and a lower seat. The upper seat has a slide track allowing one slide member to move thereon. The upper seat is fitted over the lower seat. The lower seat accommodates the drill set and has an inte...
04/12/2005
6860184Film cutter
A film cutter is provided for use in an industrial process in which a vertical blade and a horizontal blade interact. The vertical blade is mounted to move slidingly in a vertical plane and an end of the vertical blade rests upon the horizontal blade. The horizontal...
03/01/2005
6651537Cutter for linerless paper
A cutter for self-adhesive labels has a top part and a bottom part and a feeding gap between the top part and the bottom part. The cutter includes further a cutting mechanism having a blade and coupled to one of the top part and the bottom part. Further, ...
11/25/2003
6360643Blade assembly for shear
The present invention relates to a shear blade assembly for a shearing system. The shear blade assembly includes an upper shear blade and a lower shear blade. The top surface of the lower shear blade is inclined downwardly at an angle of between 0.2 and 0...
03/26/2002
6308601Apparatus and method for slitting a sheet of web material
An apparatus for slitting a sheet of web material has an at least one first fixed blade member and axially displaceable at least one second blade member. The axially displaceable second blade member is biased by an elastomeric biasing member that provides...
10/30/2001
6152007Sheet cutter
A sheet cutter has a fixed blade and a movable blade. The fixed blade has a straight edge extending in a lateral direction with respect to a longitudinal direction of a sheet to be cut, and the movable blade is provided so as to be moved in the longitudin...
11/28/2000
6125732Letter opener
A letter opener, especially intended for manual operation, is proposed, which can open a conventional envelope without producing any waste. For this purpose, it has a round knife (3), mounted by way of spring-generated pretension (7) between two rails (4,...
10/03/2000
6079307Paper cutter
A paper cutter having a paper stand, a pair of arms of identical length attached to the paper stand defining a contacting position and a separating position, a guide rail connected to the pair of arms such that the guide rail is parallel to the paper stan...
06/27/2000
6033289Detailing and cleaning apparatus for green ceramic dry dicing process
An apparatus for processing a ceramic laminate comprising an array of unfired ceramic substrates having intersecting slots in at least two directions formed on a side thereof. The apparatus includes a frame and a vacuum chuck fixture movable with respect ...
03/07/2000
6003421Apparatus and method for cutting elongated webs of material
A knife assembly 10 for transversely severing at least one elongated web of material including: a sharpened blade member 12, a blade holder 14, a blade holder support assembly 16, an adjustable biasing member 18, a carriage assembly 20, and a backing memb...
12/21/1999
5983765Anvil jack
An apparatus and method are provided for die cutting both sides of paperboard sheets. The apparatus includes a die comprising a plurality of cutting knives projecting from a base, the cutting knives being set into a preselected pattern of grooves within t...
11/16/1999
5974929Combined letter opener and letter punch
The invention provides a device for cutting open envelopes and punching filing holes into documents, and includes a body coupled to a base, the base having a two-section feeding surface along which an envelope, or other one or more documents are introduce...
11/02/1999
5943932Bevel table saw adjustment
A bevel table saw 10 comprising a table 14 supported by a frame 12, the table 14 defining a slot 16 for a saw blade 44, and a blade assembly 30 mounted to the frame 12 below the table 14 such that, in use, a saw blade 44 of the blade assembly 30 protrudes...
08/31/1999
5931071Apparatus for cutting the peripheral portion of a film projecting from the peripheral edge of a laminated glass plate
An apparatus for cutting the peripheral portion of a film projecting from the peripheral edge of a laminated glass plate having the film sandwiched between a pair of glass plates has a robot arm and a robot hand connected to the the robot arm. The robot h...
08/03/1999
5896796Device for punching holes in a bicycle rim
A device for punching holes in a bicycle rim includes a flange extending radially from a base, the flange having a plurality of rails disposed thereon each for a puncher slidably disposed thereon. Each of the punchers has a first block and a second block ...
04/27/1999
5845554Sheet material cutting machine
A machine for manually cutting web material employs a cutting head that is supported on a rail for sliding and pivoting movement along and across a straight edge, which is disposed forwardly of the axis of pivoting. The cutting wheel is biased axially tow...
12/08/1998
5794500Apparatus and method for slitting thin webs
Knives (28, 30, 122) are held in tangential, resilient (106, 108) or fixed (132, 136) contact with a surface of an air bar (12-20) or air table (142); so that a web (26) moving on a cushion of air (46) over the air bar or table is cleanly slit into webs (...
08/18/1998
5740713Notch cutter
A notch cutter provides a first pair of inwardly facing shear edges in a V. A second pair of outwardly facing shear edges make an almost complementary V with a slightly smaller convergence angle. One pair of shear edges is caused to contact respective one...
04/21/1998
5720213Bevel table saw adjustment
A bevel table saw 10 comprising a table 14 supported by a frame 12, the table 14 defining a slot 16 for a saw blade 44, and a blade assembly 30 mounted to the frame 12 below the table 14 such that, in use, a saw blade 44 of the blade assembly 30 protrudes...
02/24/1998
5503053Sheet material cutting device
A sheet material cutting mechanism for cutting sheet materials two rotary blades and a mechanism for pressing down a sheet material to be cut. When the motor is started, a screw shaft 2 rotates, and a rotary blade assembly 4 starts to move to the right in...
04/02/1996
5465639Method and apparatus for cutting a belt-shaped member
An apparatus for cutting a belt-shaped member includes: a lower blade; a cutter; a holder for supporting the cutter; a carriage for revolving the holder about an axis of revolution intersecting an axis of rotation of the cutter by maintaining a very small...
11/14/1995
5456587Plastic pellet delivery system
A plastic pellet delivery system including an extruder nozzle having an orifice and an arcuate surface adjacent the orifice and rigid cutting knife which is eccentrically mounted on a shaft that is positioned and is rotated adjacent the orifice to move th...
10/10/1995
5456010Kitchen device with cover for chopping and cutting
A food chopper and slicer knife mechanism for kitchen use comprising an elongated central blade of an extended length having a handle formed at each opposite end and a pair of internally spaced holes extending through the blade on opposite sides of the ce...
10/10/1995
5408908Cutting machine
A cutting machine for sheet material comprising a frame, a stationary knife on the frame and a reciprocating blade cooperating with the stationary knife. A motor on the frame is connected to a gear reducer that is in turn connected to a single push rod th...
04/25/1995
5386971Plastic pellet delivery system and method of use
A plastic pellet delivery system including an extruder nozzle having an orifice and an arcuate surface adjacent the orifice and rigid cutting knife which is eccentrically mounted on a shaft that is positioned and is rotated adjacent the orifice to move th...
02/07/1995
5381713Glass scoring mechanism
A glass scoring machine includes a table and a numerically controlled carriage for movement over the table along X and Y axes. The glass scoring wheel is held against the sheet of glass by a pneumatic cylinder and a compression spring. In one embodiment, ...
01/17/1995
1      
 
Sign InRegister
Username  
Password   
forgot password?