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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 451/62 - Cam


Subclass of Class 451 - Abrading
Definition: Method for abrading a plate or cylinder which is intended
No. of patents: 62
Last issue date: 08/19/2008


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NumberTitleIssue Date
7413498Lapping apparatus and lapping method
A film feeder (FF1) feeds a film (1), a first drive (20) rotates a work (W), a second drive (30) moves the work (W) relative to the film (1), a shoe set handler (40) handles the shoe set (2) to press the film (1
08/19/2008
7299740Reciprocating axial displacement device
A reciprocating axial displacement mechanism is disclosed generally comprising a housing, a rotating device, a displacement device having first and second undulating surfaces disposed in the housing, and a cam connected to the rotating device and disposed between th...
11/27/2007
7297046Constant spindle power grinding method
The depth of cut and the headstock velocity of a grinding machine are controlled during the last rotation of finish grinding to maintain a substantially constant load on the grinding wheel spindle drive motor. The depth of cut is kept constant and the component spee...
11/20/2007
7238082Workpiece headstock
Workpiece headstock for a machine tool, especially for a grinding machine, with a spindle (6); with a clamping device (7), which is connected to the spindle (6) and which is used to clamp a wor...
07/03/2007
7172494Crankshaft and camshaft grinder
An apparatus for grinding a surface of a nonstraight elongated workpiece has a frame, drives on the frame for rotating the workpiece about a longitudinal workpiece axis, and a guide defining a pivot axis offset from the workpiece axis on the frame. A hanging arm has...
02/06/2007
7153194Workpiece grinding method which achieves a constant stock removal rate
In a method of grinding a component, a reduction in the finish grinding time is achieved by rotating the component through only a single revolution during a final grinding step and controlling the depth of cut and the component speed of rotation during that single r...
12/26/2006
7147547Method and device for grinding a rotationally symmetric machine part
A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat truncated cone. The machine part is clamped between centers and is m...
12/12/2006
7115023Process tape for cleaning or processing the edge of a semiconductor wafer
A wafer bevel processing apparatus comprises a plurality of rollers for rotatably supporting a wafer, first process roller, a second process roller, and a process tape extending between the first process roller and the second process roller. The first and second pro...
10/03/2006
7037173Method of grinding
A grinding method comprises steps of simultaneously grinding plural grinding portions of a workpiece by plural grinding wheels T1, T2 moved individually each other, and terminating said grinding by a predetermined grinding wheel T1 prior to a te...
05/02/2006
7033245Lapping apparatus and lapping method
A lapping apparatus lapping a work having a pre-machined surface comprises a lapping film which includes a thin substrate having a surface provided with abrasive grains, a shoe disposed at a back surface side of the lapping film, a shoe driving unit which drives the...
04/25/2006
6926591Multi-purpose machine
The invention concerns a method and an apparatus in which crankshafts and similar components can be machined at the relevant machining locations (big-end bearing locations, main bearing locations, side cheek side surfaces, end journal/end flange) on one machine and ...
08/09/2005
6916230Abrasive belt and machining process associated therewith
A process and device for machining by abrasive belt, on a part 1 with an axis of rotation, of a non-cylindrical bearing surface 2, two portions of the same running abrasive belt 14, which are spaced apart from each other in the longitudinal dire...
07/12/2005
6902465Grinding machine
A grinding machine uses a conical grinding wheel (10) to create a non-circularly symmetric surface (defining, for example, a re-entrant cam) on a workpiece. The machine is operable to rotate such a workpiece about a first axis (5) and the machine has d...
06/07/2005
6811465Workpiece grinding method which achieves a constant stock removal rate
In a method of grinding a component such as a cam, a reduction in the finish grinding time is achieved by rotating the component through only a single revolution during a final grinding step and controlling the depth of cut and the component speed of rotation during...
11/02/2004
6808438Constant spindle power grinding method
A method is disclosed in which the component is rotated through only one revolution during a finish grinding step, and the depth of cut and the headstock (12) velocity are controlled during the signal rotation, so as to maintain a substantially constant load ...
10/26/2004
6767273Crankpin grinding method
A method is described for grinding a crankpin of a crankshaft using computer controlled wheelfeed and headstock drives (44,30,24). During a final grinding step leading to finish size the cutting force is maintained on the wheelhead (38) to keep the whe...
07/27/2004
6589103Device for the finishing treatment of shaft workpieces
The invention relates to a device for the finishing treatment of shaft workpieces, in particular crankshafts and camshafts. The device comprises a carrier, at least one jaw for exerting contact pressure on the workpiece, and a linear guide for guiding the...
07/08/2003
6533644Method of texturing and agent therefor
An agent used for texturing a surface of a substrate for a magnetic disk includes an aqueous solution containing a glycol compound serving as surfactant in an amount of about 1-25 weight % and agglomerated polycrystalline diamond particles with average di...
03/18/2003
6485353Apparatus and method for grinding composite workpieces
A grinding machine has a wheelhead movable tinder computer control perpendicular to the axis of a composite workpiece, mounted between a headstock and a tailstock, and workrests slidable along front and rear rails. Between the workrests are sandwiched rig...
11/26/2002
6450916Cam disc of loading cam mechanism in toroidal type continuously variable transmission and manufacturing method therefor
A loading cam mechanism of a toroidal type continuously variable transmission is provided with a cam disc that rotates together with an input shaft. A cam surface is formed on the cam disc. The cam disc includes a disc portion having the cam surface forme...
09/17/2002
6419563Method of and an apparatus for machining a workpiece with plural tool heads
A machining apparatus simultaneously machining at least two portions of one workpiece is disclosed. The machining apparatus includes a worktable unit for rotatably driving workpiece, at least two tool heads each of which supports a tool and moves forward ...
07/16/2002
6390907Machine tool and machine tool spindle and workpiece mounting-apparatus and grinding process
A motorized spindle assembly for a grinding wheel is fabricated with an opening extending through the spindle casing, and stator and so as to extend in the direction of the spindle axis of rotation at least the length of the stator. The opening is of a si...
05/21/2002
6354920Centerless camshaft microfinishing machine
A centerless microfinishing machine especially adapted for machining camshaft workpieces. The microfinishing machine causes the camshaft workpiece to rotate through the use of a centerless drive system including spaced rollers which frictionally engage th...
03/12/2002
6293855Polishing apparatus
The present invention relates to a polishing apparatus for polishing a workpiece such as a semiconductor wafer. The polishing apparatus has a processing section including a polishing section (1) for polishing a semiconductor wafer (6) and a cleaning secti...
09/25/2001
6217413Coated abrasive article, method for preparing the same, and method of using a coated abrasive article to abrade a hard workpiece
A coated abrasive article having a backing and an abrasive layer coated on the first major surface of the backing, wherein a cross-section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional are...
04/17/2001
6200200Method and device for non-circular grinding of cam shapes with concave flanks
A method and an apparatus are proposed for grinding cams having concave flanks on a camshaft, using a grinding wheel of relatively small diameter, which is used at least for finish-grinding. The axis of the grinding wheel runs at an angle to the camshaft ...
03/13/2001
6149503Method and apparatus for supporting a crankshaft in a grinding machine for grinding the crankpins of the crankshaft
A method of supporting a workpiece having journal and eccentric regions, in a grinding machine for grinding the eccentric regions thereof, is described which involves mounting the workpiece in a headstock of the grinding machine, providing a coupling betw...
11/21/2000
6110010Drive and support for machine tools
An improved drive and support for a machine tool by which a part thereof can be supported and driven along a linear path for machining. The drive and support includes a linear slideway having a magnetic track along which a housing will move when a moving ...
08/29/2000
6056532Process for manufacturing the head surfaces of dies cooperating with cylindrical pressure rollers for rotary presses and die manufactured according to this process
A process for manufacturing head surfaces of dies cooperating with cylindrical press rolls for rotary presses. To avoid the high Hertzian stresses occurring dies for rotary presses during the interaction of the die head and the press roll, the present inv...
05/02/2000
5975995Machining apparatus and method
A pair of grinding wheel carriages, each carrying its own grinding wheel, are both carried by a grinding machine to one side of a work carriage and workpiece when carried thereby. The workpiece is, in this instance, a camshaft with multiple pairs of simil...
11/02/1999
5913716Method of providing a smooth surface on a substrate
A process for polishing a workpiece. The process comprises the steps of: (a) placing a structured abrasive article bearing precisely shaped abrasive composites on at least one major surface thereof in contact with a surface of a workpiece having a surface havi...
06/22/1999
5899797Method and apparatus for grinding cams with concave sides
A grinding machine includes a bed, structure for supporting a camshaft on the bed, a carriage displaceably mounted on the bed to permit movement relative to the camshaft in a radial direction of the camshaft, first and second grinding spindles respectivel...
05/04/1999
5813900Grinding machine for grinding cylindrical workpieces
A grinding machine includes a rotating grinding wheel and workpiece moving apparatus operable to move a workpiece towards and away from the wheel. The apparatus is arranged to move a workpiece support arcuately about an axis to move a workpiece towards or...
09/29/1998
5746643Method of grinding and machining non-circular workpiece and apparatus for the same
The present invention achieves machining operation without grind-burning and grinding crack and improves the profile accuracy of a workpiece, by automatically generating X/C axis data that controls the headstock and the wheel spindle head while taking int...
05/05/1998
5655952System for honing camshaft cams
An outer surface of a cam on a camshaft extending along a camshaft axis is honed by continuously rotating the camshaft about its axis while holding a grinding stone adjacent the cam with a surface of the stone directed radially inward at the cam surface. ...
08/12/1997
5655953Manufacturing method of wave cam for a compressor
A wave cam is rotatably and integrally mounted on a drive shaft of a compressor. Pistons are connected to cam surfaces of the wave cam via shoes. The shoes move relatively to the cam surface along a predetermined orbital path. The predetermined orbital pa...
08/12/1997
5644949Compressor cam and method for manufacturing the same
A cam having a front surface and a rear surface to reciprocate a double-headed piston of a compressor twice for every rotation of a drive shaft. A positioner is provided on the front and rear surface of the cam to position the cam on a fixture used for gr...
07/08/1997
5616070Work drive orienting system for machine tool
A work drive orienting system for a machine tool, such as a multiple belt grinder, comprises a head stock and a tail stock for supporting the workpiece to be machined, a locator retained by a spider in the head stock chuck, and a proximity sensor located ...
04/01/1997
5472368Method of and machine for grinding cams
Two or more angularly offset cams on a camshaft are ground simultaneously by discrete abrasive belts or grinding wheels while the camshaft rotates about its longitudinal axis. The camshaft is rotated in accordance with a pattern denoting different speeds ...
12/05/1995
5453037Process for grinding crankpins of a crankshaft and grinder for this purpose
A process for successive grinding of crankpins of crankshaft by a grinder includes clamping the crankshaft at two spaced center journals thereof and rotating the crankshaft around the axis of a crankpin to be ground. To enable the maintenance of highly ac...
09/26/1995
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