Sanwa Techno Co., Ltd.

Other

Risetec Co. Ltd.

Freebear Corporation

Shoji, Susumu

Kazuro Fukui

Susumu Shoji

Takaomi Kurahashi

Toshio Takino

Masato Iida

Kaito Oomae

Masashi Kouhara

Hiroyuki Furuuchi

Atsushi Sakane

Kazuki Inoue

Nagamasa Maruyama

A ball screw in which a nut and a male-threaded shaft provided with an arcuate continuous groove threadedly engage by way of a multiplicity of steel spheres inserted between the male threads and female threads, the end portion seal member is capable of being attached toward a front or toward a back from said nut, and has a support frame body arranged at an outside circumference of said male-threaded shaft; a base fabric portion, a back surface of which is secured to an inside circumferential surface of said support frame body; and the cut pile that protrudes in such fashion as to be directed toward said groove from a front surface of said base fabric portion; wherein fiber tip portions of said cut pile are bent and made to abut said groove so as to occlude a gap between said groove and said support body, and good lubricant is retained.

Wet end portion seal member for ball screw, and ball screw employing said seal member

Linear motion mechanism sealants capable of operating at low torque when engaging in linear motion which are capable of carrying out sealing with respect to fine particulate several &#x3bc;m in diameter, and which are side seal units for sealing gaps at a shaft provided at a front end portion and a back end portion of a slider of a linear motion mechanism equipped with said shaft and said slider which carries out reciprocating linear motion on said shaft, the linear motion mechanism side seal unitsbeing characterized in that fibrous surfaces of seal members comprising fibrous material are arranged so as to be directed toward said shaft in such fashion as to abut and conform to the cross-sectional shape of said shaft at the front end portion and the back end portion of the slider.

Linear motion mechanism side seal unit and linear motion mechanism

An elastic roller is capable of elastic deformation at low load, lightweight and low-cost, and the surface speed of the roller has been made stable. At a drawing showing the view from the side of pipeand flangewhich make up roller, rollerwhich has pipeand flangeis supported by shaftwhich is inserted therein along axisof shaft, the situation being such that elastic deformation occurs upon being pressed downward by pressure P from pressure-applying bodyabove pipe. None of the four outermost ribsdisposed in outermost gapbetween outermost ringof flangeand middle ringwhich is mutually adjacent thereto and toward the interior therefrom is present in the upper portion of pipe

Elastic roller

To provide a ball transfer and a seal member for a ball transfer, a seal member is employed which is characterized in that it has a seal member employing pile fiber that, at a ball transfer having a main body which has a socket, an inner surface of which is a hemispherical concave surface, a plurality of ball bearings arranged at the main exterior socket, a primary ball, diameter of which is greater than that of said ball bearings and which is rotatably supported by the socket by way of the ball bearings, and a housing-like case which surrounds the main body socket and rotatably supports the ball bearings and the primary ball at a bearing portion thereof and which has a hole from which a portion of the primary ball is made to protrude at an upper surface of the primary ball socket.

Ball transfer and seal member for ball transfer employing pile seal member

A sealing material reduces heat due to friction produced by contact with a rotating body. The sealing materialhas cut pile woven fabrichaving stripes. The sealing materialprevents leakage of powderfrom rotating body or straight body. The woven pile fabricconstituting sealing materialis woven patternhaving stripes which is woven from pile yarncomprising a plurality of filaments, woven patternbeing cut pile woven fabrichaving cut pileat which pileis of prescribed length, cut pile woven fabrichaving stepsproduced by differences in thickness of cut pileincluding woven patternhaving stripes. The length of cut pileof prescribed length has cut pile lengthwhich is greater than the spacing of a pitch between pile supporting yarnsthat support pile

Sealing material comprising cut pile woven fabric

A roller which has woven fabric at a surface thereof and which is employed in an apparatus permitting achievement of conservation of resources, conservation of energy. Rollerprovided with coveringincludes woven fabric at its surface is idler means or drive means for conveying, supply, of an object, means for air cooling or drying a moving object, rotating means making use of suction of an object, or is for cleaning a contact surface to which rolleris opposed, and has at the surface woven fabricwith variation or combination of weave pattern(s). The woven fabricincludes weaving in a linear pattern of bands or different patterns. It also has open holes including lattice-like gapsor a rectangular patternfor control of air permeability formed from weft yarnand warp yarn

Roller covered with covering comprising woven fabric, and apparatus employing same

A roller has knit fabric at its surface and which is employed in an apparatus permitting achievement of conservation of resources, conservation of energy, and low cost, and an apparatus employing such a roller. Rollercovered with coveringincluding knit fabric at its surface causes conveyance, supply, or other such movement of an object, or uses an to dry or cool an object as it is moved, or rotates while causing an object to be subjected to suction. Knit fabriccovering the roller surface has gaps having air permeability and stepscomprising stripes in a pattern of bands at the front and back surfaces; the stripes in the pattern of bands are perpendicular to the direction of rotation at the surface of the rotating support body. Loops making up knit fabrichave domains of small loopsand large loops

Roller covered by a covering comprising knit fabric and device employing same

A rotational shaft seal member which does not cause leakage of powder and which has a slit capable of being enlarged as a result of occurrence of springback. Cylindrical shaft seal memberat powder containerincludes pileincluding woven/knit pile fabrichaving cut pileat the inside of cylindrical shaft seal memberand pile cylindrical support member; the outside diameterbeing capable of shrinkage as a result of external pressure, and being capable of enlargement as a result of pressure on the inside diameter. When cylindrical shaft seal memberis inserted in attachment holeof support frameat the rotating body, attachment is achieved because slitcauses shrinkage of outside diameterof cylindrical shaft seal member, enlargement due to springback of slitcausing intimate contact with attachment hole

Cylindrical shaft-sealing material obtained from pile weave or knit

(PROBLEM) To provide a seamless conveyor belt comprising knit fabric. (SOLUTION MEANS) A seamless conveyor belt employing monofilament made up of continuous fiber at filament constituting core yarn; being made up of weft-knit or warp-knit in which there is mutual intertwining of filament; flexural stress and heat causing monofilament at core yarn to undergo plastic deformation at locations of entanglement; being a seamless knit belt () comprising a knit pattern () which is weft-knit or warp-knit; being a knit pattern () in which pitch (Ps) of stitch loops in a width direction () is smaller than pitch (Pg) of stitch loops in a conveying direction () of the seamless knit belt; mutually contacting loops () and filament undergoing deformation; entangled regions of filament being maintained; fraying at side ends of the knit belt () during conveyance by the conveyor belt being prevented; spacing of pitch (Ps) of stitch loops in the width direction () being small; and strength being improved.

Conveyor belt and drive belt comprising knitted belt, and conveyor device using conveyor belt

A high-quality end seal member which is easy to manufacture, and which exhibits excellent sealing properties with respect to inhibiting the leakage of toner in a toner-handling device of an image-forming device. End seal member for inhibiting, at a desired acceleration, leakage of toner from end of rotating body using anti-leakage gap obtained by causing recessed region to be deformed toward rotating body is provided with sealing member having striped pattern comprising plurality of steps of linear configuration which come in contact with toner carrier, i.e. rotating body, of image-forming device. When toner conveyed by toner carrier comes in contact with radiused region at edge of projecting region of irregular surface of sealing member toner scraping angle is greater than toner angle of repose. Elastic body at back surface of sealing member is used to achieve reactive-force-providing elasticity for contact load between sealing member and rotating body.

End seal member for electrophotographic image-forming device

A conveyor belt comprises woven fabric having a mesh structure which imparts the belt with air permeability permitting suction of air therethrough. In one embodiment, the woven fabric is such that a portion made in plain weave in a low-density weave pattern of prescribed width in which at least one warp yarn and at least one weft yarn are woven together alternates with a portion made in satin weave in a high-density weave pattern of prescribed width in which five to twelve warp yarns and the same at least one warp yarn as in the low-density weave pattern are woven together. This alternation of low-density weave pattern(s) and high-density weave pattern(s) may create stripe(s) disposed in the conveying direction of the belt. Portion(s) made in satin weave may be disposed at one or both side end(s) of the belt.

High-speed conveyor belt comprising woven fabric and apparatus employing same

An electrophotographic image-forming device which permits reduction in the size of the device to be made possible, and which permits prevention of toner leakage through use of a sealing member having projections and recesses, said sealing member serving as an end seal member. The image-forming device has a sealing member which serves as an end seal member for a toner carrier. The end seal member for preventing leakage of toner from the toner carrier is formed from the sealing member which has step(s) comprising band(s) formed by recessed region(s) and projecting region(s) as indicated in FIG.. The end seal member is capable of bending such that recessed region(s) come in contact with the toner carrier, inhibiting entry of toner thereinto, and the end seal member also has a toner scraping action and a toner movement action.

Electrophotographic image-forming device provided with end seal member

A conveyor belt comprising knit fabric of high practicality, and an apparatus which uses such a conveyor belt. The conveyor belt includes weft knit fabric. Suction of air from below belt(s) is used to convey sheet-like and/or small thing(s) which are object(s) to be conveyed that are placed. The strength of filament(s) of knit fabric at side end(s) is adequately maintained. Loops exhibit mutual intertwining of filament(s) Pitch Ps of loops in width direction is formed so as to be smaller than pitch Pg of loops in conveying direction. Adjacent loops are mutually flattened and filament(s) of loop(s) are entangled, mutual intertwining of filament(s) causes knit fabric to have suppressed percentage elongation and increased strength in conveying direction, fraying of filament(s) at side end(s) of belt(s) is prevented, and strength is adequately increased.

Conveyer belt and apparatus

A seal member is described that is configured to prevent leakage of micro-powder from a rotating body such as a developing roller. The seal member of the rotating body of an image forming device using toner of the micro-powder includes base fabric consisting of knitting or fabric, loop-shaped pile yarn or cut-shaped pile yarn, which is supported on a surface of the base fabric by the entanglement or support of ground yarn of the base fabric, and a coating layer which has penetrated from a back surface of the base fabric to which a coating agent is applied to the side of pile yarn. A height of the coating agent which has penetrated from the back surface of the base fabric is the same as or less than a thickness of the base fabric which is configured by the height of the ground yarn which supports the pile yarn.

Growing community of inventors

Kobe, Japan

Kazuro Fukui