Abstract: An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool with the abrasive ramp configuration.

Abstract: An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool with the abrasive ramp configuration.

Abstract: An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool with the abrasive ramp configuration.

Abstract: Improved abrasive tools and apparatus and method for the manufacture of the improved abrasive tools and the like which includes apparatus and a method for the creation of a structurally viable matrix having a pattern of abrasive elements which can be shaped, cut and positioned for permanent disposition on a rigid tool body. The apparatus includes a release layer on a transversely magnetized base surface with magnetic protrusions to provide a mosaic-like surface. Magnetizable abrasive particles applied to the release layer orient themselves magnetically to form generally conic stacks which having a stack axis and a distal working portion. The stacks define a working surface which is then coated. Prior to solidification of the coating the cones may be shaped or raked magnetically. A braze paste is applied to encapsulate the cones and form a flexible support web between the cones.

Abstract: Apparatus and methods for the manufacture of improved abrasive tools and the like which include apparatus and a method for the creation of a structurally viable matrix having a pattern of abrasive elements which can be shaped, cut and positioned for permanent disposition on a rigid tool body. The apparatus includes a transversely magnetized base surface with magnetic protrusions to provide a mosaic-like surface. A release layer is placed over the protrusions and magnetizable abrasive particles are diffused onto the surface of the release mechanism. The particles orient themselves magnetically to form generally conic stacks, each having a stack axis and a distal working portion. The stacks define a working surface which is then coated with acrylic paint to provide structural integrity. Prior to solidification of the paint the cones may be shaped, for example, by passing a magnet near them.

Abstract: A grinding wheel having a portion of its leading radially extending wall dome-shaped and having a sector thereof coated with a coarse-textured abrasive coating that performs rapid material removal from a workpiece. Radially outward of the coarse sector, the remainder of the radially extending wall and the outer (circumferential) portion are coated with a fine-textured abrasive coating for providing a smooth finish. The working surface of the coarse-textured abrasive coating extends to an outermost radial dimension that is smaller than the radial dimension of the working surface of the finer-textured coating. The differential in dimensions defines the incremental material removal that is accomplished by the fine-textured abrasive coating.

Abstract: Abrasive tools with preferential arrangements and patterns of abrasive elements which accomplish a range of performance goals and optimize both removal rate and finish are disclosed.

Abstract: A radially extending surface having an annular portion coated with abrasive elements which are arranged with respect to one another into a pattern having a first axis which is substantially oriented in the direction of relative motion between the pattern and a workpiece and a second axis disposed orthogonal to said first axis providing a substantially radially extending path for radial elimination of chips from the grinding operation. The annular portion may be broken into sectors which each offer an individual pattern. The first axis of each pattern of each sector is ideally an offset centered arrangement of elements and the second axis is ideally an aligned centered arrangement of elements. In this manner a texture is presented to the workpiece in a broad spectrum of orientations which provide for maximum material removal and maximum surface finish of the workpiece.

Abstract: A tank filled with water is covered by a layer of oil containing carbon black. A radiation source preferably a high intensity visible spectrum light is aimed at the bottom surface of the oil/carbon layer. A radiation detector is placed parallel with and immediately above the oil/carbon layer. In operation, the oil/carbon layer will offer an opaque surface thereby preventing the passage of radiation. A bubble rising in the water will momentarily penetrate the oil/carbon layer. If the bubble diameter is greater than the oil/carbon layer thickness, the radiation will pass through the oil/carbon layer. Once the bubble bursts, the oil/carbon layer will immediately heal, thereby sealing off the passage of radiation. The radiation detector will detect any radiation passing through the oil/carbon layer. A passing bubble will be indicated as a discrete blast of radiation. The radiation detector preferably consists of an array of radiation detectors.

Abstract: Apparatus and method for the manufacture of improved abrasive tools and the like which includes apparatus and a method for the creation of a structurally viable matrix having a pattern of abrasive elements which can be shaped, cut and positioned for permanent disposition on a rigid tool body. The apparatus includes a transversely magnetized base surface with magnetic protrusions to provide a mosaic-like surface. A release layer is placed over the protrusions and magnetizable abrasive particles are diffused onto the surface of the release mechanism. The particles orient themselves magnetically to form generally conic stacks which having a stack axis and a distal working portion. The stacks define a working surface which is then coated with acrylic paint to provide structural integrity. Prior to solidification of the paint the cones may be shaped, for example, by passing a magnet near them.

Abstract: A hydraulic power assisted vehicle steering system includes a steering input shaft which is journalled for rotation in a housing and fixed axially in the housing; an inner valve sleeve pinned to the input shaft and rotating therewith; and an outer valve sleeve fixed axially in the housing and rotatable about the inner valve sleeve. Turning the steering input shaft causes relative rotation between the inner and outer valve sleeves, directing fluid flow to control directional assist. The inner valve sleeve slides axially between the input shaft and the outer valve sleeve. Axial sliding movement of the inner valve sleeve progressively covers and uncovers wide end portions of fluid control grooves in one of the valve sleeves. When the wide end portions are uncovered, greater relative rotation between the inner and outer valve sleeves is required before assist is generated.

Abstract: A reduced length hydraulic shock absorber, preferably for use in a MacPherson strut, does not sacrifice structural rigidity under radial loads. A circumferential sleeve member is attached to the cylinder adjacent the end of the cylinder from which the piston rod extends. The piston rod extends through an opening in the sleeve end with a bearing therein. The sleeve telescopes axially on the cylinder. The sleeve is spring-biased axially outwardly of the cylinder, and is telescoped outwardly from the cylinder at all times except when the shock absorber is fully or mostly compressed. The sleeve, when telescoped outwardly, thus provides radial load bearing support for the piston rod at a point spaced apart from the cylinder end. This allows the shock absorber to be designed without any piston rod/cylinder overlap, and the piston rod may consequently be made shorter.