Abstract: An improved hammer mill hammer constructed by forming a groove in an edge of the grinding end of a hammer for receiving hard facing material and placing hard facing in the groove.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: An improved hammer mill hammer constructed by forming a groove in an edge of the grinding end of a hammer for receiving hard facing material and placing hard facing in the groove.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: A cover for a print bed for a three-dimensional object, and methods of manufacturing the same, are disclosed. The cover may include a polycarbonate substrate having a selectively textured upper surface and a double coated adhesive layer provided to adhere the polycarbonate substrate to a print bed.

Abstract: A method of avoiding hammer rod-hole deformation in a hammer mill. Conventional hammers are fitted with a bearing structure that reduces wear while permitting the hammer to pivot about multiple axes. An optional, integral spacer provides spacing between adjacent hammers.

Abstract: A method of avoiding hammer rod-hole deformation in a hammer mill. Conventional hammers are fitted with a bearing structure that reduces wear while permitting the hammer to pivot about multiple axes. An optional, integral spacer provides spacing between adjacent hammers.

Abstract: An apparatus for mounting hammers to a hammer mill having at least one hammer provided for attachment to a hammer mill, the at least one hammer having an opening disposed in one end thereof corresponding to a pivot axis, the opening being of a first diameter. A sleeve having a central opening therein is operatively attached to the hammer mill, the sleeve being disposed in the opening in the one end of the at least one hammer. The sleeve has a first cylindrical outer surface with a second diameter, the second diameter being only slightly smaller than the first diameter of the opening in one end of the at least one hammer. The sleeve has a second cylindrical outer surface with a third diameter, the third diameter being larger than said second diameter. A shoulder on the sleeve extends from the second cylindrical outer surface to the third cylindrical outer surface. An annular groove is disposed in the first cylindrical outer surface.

Abstract: An apparatus for adjusting tension in an elongated bicycle saddle. The apparatus includes a frame underlying the saddle and having one end in abutting contact with a flaired trailing portion of the saddle and the other end in proximity to a narrow leading portion of the saddle. An adjustment yoke is connected to the other end of the frame and provides a bearing seat for abutting reception of an adjustment member. A thrust bearing member extends through a downwardly contoured tip portion of the saddle and carries the adjustment member such that axial tension of the saddle may be facilely adjusted through the tip of the bicycle saddle.

Abstract: A bicycle saddle including a narrow leading end portion, a central transition portion and a wider trailing end portion. A transverse rib extends across the saddle at the central transition portion and imparts flexural stiffness to the saddle. A longitudinal tension rib extends from the central transition portion to the wider trailing end and separates relatively thin and flexible pelvic zones fashioned within the wider trailing end portion.

Abstract: A compartmented bicycle seat padding adapted to be secured to a bicycle seat having depressions formed therein and wherein said padding is enclosed by an outer leather-like exterior and the compartments of said padding receives a formable, stable, dilatant or thixotropic padding material of said padding such as polybutadiene.