Patents Assigned to Shinano Kenshi Kabushiki Kaisha
  • Patent number: 10619706
    Abstract: To provide an inexpensive and thin motor with a speed reducer capable of elongating lifetime of bearings by reducing the effect of internal moments acting on an output member without using expensive bearings. A motor with a speed reducer performing output with a gear mechanism rotating to reduce speed around an electric motor M and an eccentric shaft driven to rotate by the electric motor M, in which a plurality of external gears are respectively assembled to the eccentric shaft at positions where moments obtained by multiplying distances in an axial direction from a position of a bearing provided in a speed reducer housing by magnitudes of loads acting on output pins at the positions are cancelled out with each other.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 14, 2020
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Hiroshi Uehara
  • Patent number: 10594186
    Abstract: To provide an outer rotor type motor capable of suppressing the runout of a top surface by improving the strength in a fitted part between a rotor yoke and a rotor shaft and suppressing resonance between vibration generated by rotation of a rotated body to be a load and motor vibration to thereby realize noise reduction. A rotor yoke is configured so that a rotor hub is fitted to a top surface portion formed in a cup shape integrally with a rotor shaft, and a reinforcing hub concentrically fixed to the rotor shaft with the rotor yoke is arranged so as to overlap the rotor hub.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 17, 2020
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Takuji Yamada, Hiroki Kuroiwa
  • Patent number: 10323631
    Abstract: An electric pump includes a rotor (6) formed in a cup shape integrally assembled to a rotor shaft (10) extended from a motor (3) side to a crank mechanism side inside a case body (2) in a state where an opening is directed to a shaft end on the motor side and rotatably supported by an intermediate bearing (13) arranged inside the opening, an eccentric cam (6d) integrally provided with a top surface portion of the rotor (6) in the axial direction, which is eccentric to a shaft center of the rotor shaft (10), and a crank shaft (12) one end side of which is assembled to an outer periphery of the eccentric cam (6d) through a cam bearing (11) and the other end side of which is connected to the pump side, in which a distance between the intermediate bearing (13) and the eccentric cam (6d) to which the crank shaft (12) is connected is reduced as short as possible, thereby suppressing occurrence of vibration and noise as well as reducing the device size in the axial direction by shortening a shaft length of the rotor
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: June 18, 2019
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Donghui Wang, Hiroaki Usui
  • Patent number: 10297165
    Abstract: To provide an education support system that allows educators to conduct adequate assessments considering handicaps or characteristics of individual students and to offer effective and efficient learning.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: May 21, 2019
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Tatsuo Nishizawa, Yusuke Tashiro
  • Patent number: 9997205
    Abstract: A disc drive (digital book data playback apparatus) includes a cabinet, a disc insertion part through which a digital book data disc is inserted into the cabinet, the disc insertion part being provided in a surface of the cabinet, and a guide groove formed in a surface of the cabinet, the guide groove having a starting end portion formed at an opening end and a terminating end portion continued to the disc insertion part, the guide groove being capable of receiving an outer peripheral edge of the digital book data disc to be inserted into the disc insertion part until the outer peripheral edge reaches a necessary depth.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: June 12, 2018
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Takahiro Ogawa, Akitoshi Watanabe
  • Patent number: 9739314
    Abstract: The bearing unit comprises: a bearing housing being formed into a cylindrical shape; and a bearing section being attached in the bearing housing. The bearing housing is made of resin. Grooves and projecting stripes are formed in an inner circumferential face of a housing hole of the bearing housing and an outer circumferential face of the bearing section, and they are extended in an axial direction. The bearing section is fitted into the bearing housing from an opening part of the bearing housing, in a state where the grooves and the projecting stripes are corresponded to each other, until the bearing section contacts an inner end face of the housing hole. A retaining projection of the bearing housing, which is formed at one end of the housing hole located on the one end side of the bearing housing, is deformed to overlap an end face of the bearing section.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: August 22, 2017
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Junki Sato, Takeshi Miyasaka
  • Patent number: 9679566
    Abstract: The apparatus for synchronously processing text data and voice data, comprises: a storing unit for storing text data and voice data; a text data dividing section for dividing the text data; a text data phoneme converting section for phonemically converting the divided text data; a text data phoneme conversion accumulated value calculating section for calculating accumulated values of text data phoneme conversion values; a voice data dividing section for dividing the voice data; a reading data phoneme converting section for phonemically converting the divided voice data; a voice data phoneme conversion accumulated value calculating section for calculating accumulated values of voice data phoneme conversion values; a phrase corresponding data producing section for producing phrase corresponding data; and an output section for synchronously outputting the text data and the divided voice data.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: June 13, 2017
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Tomoki Kodaira, Tatsuo Nishizawa
  • Patent number: 9563056
    Abstract: The optical scanner comprises: a motor having an rotor shaft; a rotor being attached to the rotor shaft; a tilt mirror having an inclined reflective surface and being attached to the rotor shaft together with the rotor; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. The rotor and the tilt mirror are prohibited from detaching from and rotating with respect to the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in the tilt mirror. An elastic member, which always biases the tilt mirror toward the rotor, is provided between a retainer section and an inner bottom part of the recessed part.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: February 7, 2017
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Masayuki Kodani, Nobuchika Maruyama
  • Patent number: 9557564
    Abstract: The rotary body driving apparatus for rotating a rotary body comprises: a rotor shaft, to which the rotary body and a rotor are attached, being rotatably held by a bearing section; a rotor magnet being attached to the rotor and partially exposed as a position detecting magnet; a first positioning section being formed in the rotor, the first positioning section corresponding to the position detecting magnet; and a second positioning section corresponding to a reference surface of the rotary body. The rotary body is attached to the rotor in a state where the first positioning section and the second positioning section are aligned so as to make circumferential positions of the reference surface and the position detecting magnet correspond to each other.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 31, 2017
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Masayuki Kodani, Nobuchika Maruyama
  • Patent number: 9515533
    Abstract: The rotary body driving apparatus comprises: a rotary body having reflective surfaces; a motor having a rotor shaft; a rotor being attached to one end part of the rotor shaft together with the rotary body; a stator housing having a bearing section, which rotatably holds the rotor shaft; a motor substrate for detecting a rotational position of the rotor, the motor substrate being provided to the stator housing; a magnetized section for frequency generation, the magnetized section being formed into a ring shape and provided to an end surface of the rotary body facing the motor substrate; and a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: December 6, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Masayuki Kodani, Nobuchika Maruyama
  • Patent number: 9484783
    Abstract: Provided is an outer rotor type motor capable of reducing workload for wiring and connecting coil leads without reducing a coil space factor while keeping the motor small. Coil leads extracted from same-phase coils of respective stator units pass between pole teeth of the stator units, and are respectively connected to inter-phase connection terminals at one end and then connected in series with each other, the stator units comprises a plurality of individual same-phase stator units which are stacked together, and the inter-phase connection terminals are protruded from a main terminal body. A drive signal input terminal and external input terminals, to which the other ends of coil leads extracted from the respective phase coils are respectively connected, and a drive signal input terminal and an external input terminal, to which the other ends of coil leads extracted from the respective phase coils are respectively connected, are respectively connected and wired inside the main terminal body.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: November 1, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Takeshi Miyasaka
  • Patent number: 9411156
    Abstract: The optical scanner comprises: a rotor being attached to one end part of a rotor shaft; a polygon mirror having reflective surfaces and being attached to the rotor shaft; and a bearing section being provided to a stator housing and capable of rotatably holding the rotor shaft. A recessed part, through which the rotor shaft is penetrated, is formed in a top part of the polygon mirror. A retainer section of the rotor shaft, which is provided in the recessed part, and an elastic member, which is provided between the retainer section and an inner bottom part of the recessed part and which always biases the polygon mirror toward the rotor, are accommodated in the recessed part together with an end part of the rotor shaft.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: August 9, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Nobuchika Maruyama, Masayuki Kodani
  • Patent number: 9404504
    Abstract: The blower comprises: a stator being provided in a case; a radial bearing being provided in the case; a rotor shaft being provided in the case and supported by the stator and the radial bearing; a rotor being integrated with the rotor shaft; and an impeller being integrated with the rotor shaft, the impeller sucking a fluid into the case from an axial direction and sending the same in the circumferential direction of the impeller. The impeller is attached to the rotor shaft to make a blade forming surface of the impeller face the rotor in the axial direction. A shaft end of the rotor shaft, which is located on the opposite side of the impeller, is supported by a thrust receiving member.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: August 2, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Takeki Sakai
  • Patent number: 9391488
    Abstract: The rotary body driving apparatus comprises: a rotary body having a plurality of reflective surfaces; a rotor being attached to a rotor shaft together with the rotary body; a stator housing having a bearing section; a motor substrate for detecting a rotational position of the rotor; a circular magnetized section for frequency generation facing the motor substrate; a circular frequency generation pattern, which faces the magnetized section, being provided to the motor substrate and disposed close to the magnetized section; a position detecting section, which corresponds to a reference reflective surface of the rotary body, being radially outwardly or inwardly projected from a part of the magnetized section; and a magnetic sensor, which faces the position detecting section, being provided to the motor substrate.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: July 12, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Masayuki Kodani, Nobuchika Maruyama
  • Patent number: 9385568
    Abstract: The stator of the electric motor comprises: a stator core; tooth sections being radially extended from the stator core; an even number of slots, each of which is formed between the tooth sections; an insulator covering the tooth sections; and motor coils being wound in the slots. The insulator has guide projections, each of which corresponds to each of the tooth sections so as to guide a magnet wire. The guide projections have guide sections, each of which includes a base end part and a front end part. In each of the guide sections, a radial thickness of at least one part located in the base end part is thin, a radial thickness of the front end part is thicker than that of the base end part. The guide sections are formed in same side faces of the guide projections arranged in the circumferential direction.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: July 5, 2016
    Assignees: SHINANO KENSHI KABUSHIKI KAISHA, YAMADA MANUFACTURING CO., LTD.
    Inventors: Masayuki Kodani, Nobuchika Maruyama, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi, Daisuke Kiryu
  • Patent number: 9361905
    Abstract: The present invention addresses the problems of enabling a process of converting voice data playback speed even in a voice data playback device alone.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: June 7, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Shoji Tsunoda, Tatsuo Nishizawa
  • Patent number: 9263925
    Abstract: The blower comprises: a blower case; a motor case; and a shaft pierced through the both cases. A first communication hole, which is formed in one of axial end faces of the motor case, introduces a part of compressed air into the motor case. A second communication hole, which is formed in the other axial end face of the motor case, discharges the compressed air to outside of the motor case. An external guidance path introduces the discharged air toward an outside face of the motor case. By actuating a motor, the compressed air, which has been introduced from the blower case into the motor case via the first communication hole, is discharged from the second communication hole, and the discharged air is introduced by the external guidance path and blown out toward the outside face of the motor case.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: February 16, 2016
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Takeki Sakai
  • Patent number: 9118222
    Abstract: The outer rotor-type blushless motor comprises: a stator including a cylindrical housing, a stator core having stator pole teeth and a bearing coaxially incorporated in a cylindrical hole of the hosing; and a rotor including a rotor yoke, a rotor hub provided to the rotor yoke and a rotor shaft rotatably supported by the bearing. A first resin washer, through which the rotor shaft is pierced and which contacts an end face of the rotor hub, and a second resin washer, which contacts an end face of the bearing incorporated in a center hole of the stator core, contact each other. The second resin washer has an elastic projected section fitted in a concave section formed in the center hole of the stator core.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: August 25, 2015
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Fumihiro Okamura
  • Patent number: 9048715
    Abstract: The rotor of the present invention is capable of improving magnetic characteristics, general versatility and ease of assembly. The rotor comprises: a rotor shaft; a ring-shaped rotor magnet being disposed coaxially with the rotor shaft; and a non-magnetic cover covering an outer circumference of the rotor magnet. The rotor magnet and the cover are integral-molded with molding resin in a state where an outer circumference of the cover is exposed and both end parts and an inner circumference of the rotor magnet are covered with the molding resin.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: June 2, 2015
    Assignees: SHINANO KENSHI KABUSHIKI KAISHA, YAMADA MANUFACTURING CO., LTD.
    Inventors: Masayuki Kodani, Keisuke Wakabayashi, Nobuyuki Kabasawa, Yasuaki Motegi
  • Patent number: 8922077
    Abstract: In the outer rotor-type motor, coil leads can be efficiently wired in small spaces of stator units. The outer rotor-type motor comprises: a stator being constituted by a plurality of the stator units, in each of which a coil is sandwiched between stator yokes having magnetic pole teeth; a rotor having a rotor yoke, which includes a permanent magnet and which is capable of rotating together with an output shaft; and lead terminals of a driving circuit for energizing the coils. Each of the stator yokes is constituted by a plurality of yoke parts and formed into a ring shape, the stator yokes surround outer circumferences of the coils, and coil leads are extended outward from the inner side of each of the coils via a gap between the outer circumference of the coil and the magnetic pole teeth.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: December 30, 2014
    Assignee: Shinano Kenshi Kabushiki Kaisha
    Inventors: Takeshi Miyasaka, Hiroaki Usui