公开(公告)号：JPS63121154A

公开(公告)日：1988-05-25

申请号：JP26613886

申请日：1986-11-08

Applicant: SONY CORP

Inventor： KOGA NOBUYUKI ,  HOSOYA MASAKATSU

IPC: G11B15/10 ,  G11B15/29 ,  G11B15/44 ,  G11B25/06

Abstract: PURPOSE:To surely attach mechanical initial torque on a notch gear after being unlocked without using a special torque attaching means such as a trigger spring, etc., by attaching the mechanical torque on the notch gear by utilizing a restoring spring which moves a driving lever backward. CONSTITUTION:Since the driving lever 50 is moved backward and pressed with the restoring spring 53 and the cam part of the notch gear 38 is pressed with the driving lever 50, when the notch gear 38 is unlocked, the spring force of the restoring spring 53 is supplied to the cam pat via the driving lever 50, and the mechanical initial torque is attached on the notch gear 38. In such way, it is possible to surely attach torque on the notch gear 38 after being unlocked without using the special torque attaching means such as the trigger spring, etc., and to engage the notch gear 38 with a driving gear 40.

公开(公告)号：JP2005308965A

公开(公告)日：2005-11-04

申请号：JP2004124097

申请日：2004-04-20

Applicant: Sony Corp ,  ソニー株式会社

Inventor： MAKII TATSURO ,  KOYAMA TAKASHI ,  HOSOYA MASAKATSU

IPC: G02B7/02 ,  G02B7/04

Abstract: PROBLEM TO BE SOLVED: To provide a lens barrel and an imaging apparatus that are advantageous to securely preventing an abnormal sound and vibrations from being generated while smoothly moving a movable lens along an optical axis.
SOLUTION: A coil spring 2808 is wound around a guide shaft 28A and has its one end engaged with a large-diameter part 5402 of a 1st guide shaft insertion part 50 to be locked to a 3-group lens frame 1802. The large-diameter part 5402 is formed to an external diameter corresponding to the internal diameter of the coil spring 2808 and a small-diameter part 5404 is formed having a smaller external diameter than the large-diameter part 5402, so its one end is never displaced at right angles to the axis because of the large-diameter part 5402 and a gap is therefore secured between an inner peripheral part of the coil spring 2808 and an outer peripheral surface of the small-diameter part 5404.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种有利于可靠地防止在沿着光轴移动可移动透镜的同时产生异常声音和振动的镜筒和成像装置。 解决方案：螺旋弹簧2808缠绕在引导轴28A上，并且其一端与第一引导轴插入部分50的大直径部分5402接合以被锁定到3组透镜框架1802。 大直径部5402形成为与螺旋弹簧2808的内径对应的外径，小直径部5404形成为具有比大直径部5402小的外径，因此其一端不会移位 由于大直径部5402而与轴成直角，因此在螺旋弹簧2808的内周部与小直径部5404的外周面之间形成有间隙。（C ）2006年，日本特许厅和NCIPI

公开(公告)号：JPH0785555A

公开(公告)日：1995-03-31

申请号：JP23215393

申请日：1993-09-20

Applicant: SONY CORP

Inventor： OTA TOSHIRO ,  HOSOYA MASAKATSU

IPC: G11B17/028

Abstract: PURPOSE:To prevent the occurrence of a chucking error and also to prevent the device from upsizing in the heightwise direction. CONSTITUTION:An inner circumferential periphery on the back side of a disk center ring 30 is provided with plural extension parts 33 in parallel at prescribed intervals in the circumferential direction. A through hole 25 which extension parts 33 face to is provided on a disk table 22. Thus, since the extension parts 33 of the disk center ring 30 can be escaped along an inner circumferential surface 25a of the through hole 25 to the back side of the disk table 22, an incline of a disk mounting part of the disk center ring 30 is not large, so that a disk center ring can be exhibited enough in function. Then, because of the fact that the extension parts 33 can be escaped to the back side of the disk table 22, the size of the disk table in the heightwise direction can be set to the present size.

公开(公告)号：JP2000249208A

公开(公告)日：2000-09-12

申请号：JP5377399

申请日：1999-03-02

Applicant: SONY CORP

Inventor： HOSOYA MASAKATSU ,  TANAKA KEN

IPC: F16H25/24

Abstract: PROBLEM TO BE SOLVED: To improve feed precision and shock resistance characteristic. SOLUTION: A feed screw apparatus has a lead screw 2, and a driven body 3 meshing with the lead screw 2 to be fed by the rotation of the lead screw 2. The driven body 3 has rack teeth 6 concentratedly arranged at one place and meshing with the lead screw 2, and two tooth-skipping preventing walls 8 arranged symmetrically on an opposite side of the rack teeth 6 with respect to the lead screw 2.

公开(公告)号：JPS63121156A

公开(公告)日：1988-05-25

申请号：JP26614086

申请日：1986-11-08

Applicant: SONY CORP

Inventor： KOGA NOBUYUKI ,  HOSOYA MASAKATSU

IPC: G11B15/10 ,  G11B15/44

Abstract: PURPOSE:To house and arrange a gear system in a small space, by arranging a driving gear, a first notch gear, and a second notch gear respectively so as to enclose the periphery of an intermediate gear. CONSTITUTION:Since the driving gear 46, the first notch gear 38, and the second notch gear 39 are arranged so as to enclose the periphery of the intermediate gear 45, both notch gears 38 and 39 with different function are driven rotatably respectively by one intermediate gear 45 being always driven rotatably by the driving gear 46. And the driving gear 46 is also the gear to transfer a driving force to a pair of reel bases. In such way, it is possible to house and arrange the driving gear for driving the reel base required for a tape recorder, the first notch gear 38 for switching the reproducing (recording) mode, and the second notch gear 39 for switching a tape feeding direction, in the small space centering the intermediate gear 45.

公开(公告)号：JPS63121155A

公开(公告)日：1988-05-25

申请号：JP26613986

申请日：1986-11-08

Applicant: SONY CORP

Inventor： KOGA NOBUYUKI ,  HOSOYA MASAKATSU

IPC: G11B15/10

Abstract: PURPOSE:To momentarily switch a mode from a reproducing (recording) mode to a stop mode, by rotating a notch gear without engaging it with a driving gear by a large notched area in a first notch part at the time of unlocking the notch gear in the reproducing (recording) mode. CONSTITUTION:Since the notched area of the first notch part 66 confronting with the driving gear 40 is set widely in the reproducing (recording) mode, when the notch gear 38 is unlocked in the reproducing mode, the notch gear 38 is rotated widely by the notched area of the first notch part 66 without being engaged with the driving gear 40. Therefore, a driving lever 50 is moved backward momentarily by the rotation of the notch gear 38, and the mode is switched to the stop mode. In such way, even when structure is the one to drive the driving lever 50 with the notch gear 38, it is possible to prevent an erroneous operation such that a pinch roller is left being adhered by pressing on a capstan, thereby, a magnetic tape is impaired, or a gear system for a reproducing (recording) mode is locked with the gear system for fast feeding/ rewinding, from being generate, at the time of switching the mode from the reproducing (recording) mode to the fast feeding/rewinding mode.