| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359826000 | Sliding barrels | 19 |
| 20080253004 | INTERCHANGEABLE LENS INCORPORATING A LENS DRIVE MOTOR - An interchangeable lens includes a lens drive mechanism for driving a movable lens group provided in the interchangeable lens; a lens-motor for driving the movable lens group via the lens drive mechanism; and a power transmission mechanism for transmitting a driving force of a body-motor provided in a camera body to the lens drive mechanism with the interchangeable lens being mounted to the camera body. | 10-16-2008 |
| 20080297924 | Lens barrel and camera - A small-sized lens barrel and camera have the following configuration. The lens barrel has a first barrel, a second barrel movable between retracted position retracted in the inner diameter side of the first barrel and shooting position shifted toward the incident side in an optical axis direction with respect to the first barrel, a lens moved relative to the second barrel, a support part formed into a ring shape and supported by the end of the first barrel on the exit side in the optical axis direction, the support part being arranged on the inner diameter side of the first barrel, a projecting part formed so as to project in the optical axis direction from the end of the second barrel on the exit side in the optical axis direction, and an accommodating part being formed at the support part and accommodating the projecting part at the retracted position. | 12-04-2008 |
| 20090027786 | RETRACTABLE LENS AND SLIDABLE LENS RETRACTING DEVICE THEREOF - A slidable lens retracting device is provided for retracting a lens system that include lens group units all positioned on a common optical axis when the lens system is in an operational state. At least one lens group unit is retracted from the on-axis position on the optical axis to an off-axis space radially off the optical axis by the slidable lens retracting device when the lens system is moved to a retracted state. The slidable lens retracting device includes slides mounted to the lens (group unit and fixed support members forming inclined surfaces with which the slides are engageable. The control tracks receive the slides therein and are movable along the optical axis to bring the lens system to the retracted position to cause the slides to engage and slide along the inclined surfaces and thus moving the lens group unit to the off-axis space. | 01-29-2009 |
| 20090059401 | Lens barrel, optical device and method for manufacturing lens barrel - A lens barrel comprises a first barrel, a second barrel having an inner face facing to an outer face of a first barrel, and a circuit board supported by said second barrel, said circuit board provided between the first barrel and the second barrel. The circuit board comprises a first circuit board and a second circuit board, said first circuit board is provided as substantially parallel with an optical axis of said optical system, said first circuit board and said second circuit board are provided at a crossing direction. | 03-05-2009 |
| 20090109557 | LENS APPARATUS - A lens apparatus includes a barrel and a focus member mounted on the barrel. The barrel includes a fixing body and an engaging unit disposed at an outside wall of the fixing body. The focus member includes a retaining body contacted with the outside wall of the fixing body and a retaining unit disposed at an inside wall of the retaining body. The retaining unit and the engaging unit fasten each other for mounting the focus member on the barrel. When a force is applied on the focus member, the focus member drives the barrel to rotate by a friction generated between the retaining unit and the engaging unit. | 04-30-2009 |
| 20090185300 | OPTICAL LENS BARREL AND IMAGE PICKUP APPARATUS - A lens barrel includes front, intermediate, and rear barrels that hold front, intermediate and rear lens group, respectively. The relative distances among the barrels vary. The front barrel includes a lens barrier and a barrier actuating member. A barrier drive cam section rotates the barrier actuating member upon relative movement of the barrels. The intermediate barrel includes a first drive source for driving a shutter unit, a second drive source for driving a light amount control unit, and a third drive source for driving the intermediate lens group for image stabilization. The intermediate barrel has a rear lens group clearance section at an outer peripheral portion to avoid interference with a driving mechanism for the rear lens group, and a barrier clearance section adjacent to the first or second drive source in a peripheral portion to avoid interference with the barrier actuating member and the barrier drive cam section. | 07-23-2009 |
| 20090262441 | LENS BARREL - A lens barrel includes a first member which has a first sliding-contact surface and an opening formed in the first sliding-contact surface; a second member which has a second sliding-contact surface and moves relative to the first member, the second sliding-contact surface being placed in sliding contact with the first sliding-contact surface; a photodetector provided in the opening of the first member, facing the second sliding-contact surface, to detect relative movement between the first member and the second member; and a lubricant sump portion which, being provided in the first member, has a lubricant sump space on opposite sides of the opening interposing the opening therebetween in a direction of the relative movement. | 10-22-2009 |
| 20090268320 | LENS BARREL WITH BARRIER DEVICE - A lens barrel includes a barrel member including an optical system and a barrier device mounted thereto. The barrier device includes blades that are openable/closable to protect a front surface of the optical system, a cover member having an opening portion for allowing light to pass therethrough, and a barrier driving member configured to drive the barrier blades such that the blades are revolvable around an optical axis. Size of shielded area is defined when the blades are fitted together after rotating corresponding to a range capable of shielding the opening portion. Rotation shafts are configured to allow the blades to rotate therearound to be opened/closed and are pivotally mounted on the barrier driving member. The barrier driving member is configured to rotate to bring the blades into a closed state in such a manner as to shield a gap made between the shielded area and the opening portion. | 10-29-2009 |
| 20100195224 | LENS BARREL - A telescopic lens barrel which is capable of increasing the assembling workability and advancing and retracting a lens in an optical axis direction of the lens barrel with high accuracy, without miniaturizing of the lens barrel. A barrel base plate holds an image pickup device. A fixed cylinder is secured to the barrel base plate and has an axis in an optical axis direction of the lens barrel. A guide shaft holds a lens frame so as to be advanced and retracted in the optical axis direction in the fixed cylinder and held by the barrel base plate. The barrel base plate includes bearing portions holding the guide shaft on opposite sides of a sliding region of the lens frame, and a protruding portion of the guide shaft protruding from one of the bearing portions of the barrel base plate is regulated in position by the fixed cylinder. | 08-05-2010 |
| 20100302658 | SLIDING MEMBER STRUCTURE AND MANUFACTURING METHOD OF THE SAME - A sliding member structure is stably operated by preventing rattling and achieves a decrease in cost. A male helicoid is provided in a fixed barrel, and a female helicoid is provided in a focus barrel. The focus barrel is made of a light-transmissive resin. The fixed barrel is made of a sliding material to which a curable material is not fixed. The fixed barrel and the focus barrel are set by a fixture to dispose the male helicoid and the female helicoid with a predetermined clearance, and the curable material is filled into the clearance between the male helicoid and the female helicoid. The curable material is cured by irradiating UV rays. A cured material layer is formed on a surface of the male helicoid. | 12-02-2010 |
| 20110141589 | LENS BARREL - A lens barrel includes an optical system, a first frame, a second frame, a third frame, a rectilinear frame and a cam frame. The first frame supports the optical system. The second frame supports the optical system and restricts rotation of the first frame about an optical axis of the optical system. The third frame supports the optical system and restricts rotation of the second frame about the optical axis of the optical system, and the rectilinear frame restricts rotation of the third frame about the optical axis of the optical system. | 06-16-2011 |
| 20120038993 | LENS BARREL HAVING AN ECCENTRICITY ADJUSTING MECHANISM - A lens barrel having an eccentricity adjusting mechanism, the lens barrel includes a first lens frame, a second lens frame, an engaging part, a plate spring, a circumferential direction groove, a guiding groove, a screw hole, a set screw, a tool insertion hole. The first lens frame is disposed in an fixed barrel of the lens barrel, integrally holds a plurality of lenses, and has openings on front and rear end of the first lens frame in an optical axis direction. The second lens frame that holds a part of the plurality of lenses to be subjected to eccentricity adjustment and is inserted from one of the openings to be disposed and held in the first lens frame. | 02-16-2012 |
| 20120229927 | LENS DRIVING DEVICE, CAMERA MODULE MOUNTED WITH THE LENS DRIVING DEVICE, AND MOBILE TELEPHONE MOUNTED WITH THE CAMERA MODULE - An object of the present invention is to provide a lens driving device that prevents looseness during movement of the holder caused by repeated contact and separation between sliding contact sections and the shaft, with a simple configuration. The lens driving device includes holder ( | 09-13-2012 |
| 20130027792 | LENS UNIT - A lens unit has an optical system having at least one lens, a lens holder supporting the optical system and a lens frame having a guide component. The guide component guides a movement of the lens holder in a first direction. The lens holder has a first portion and a second portion. The first portion is disposed slidably over the guide component. The second portion is disposed slidably over the guide component and disposed spaced apart from the first portion in the first direction. The guide component is sandwiched between the first portion and the second portion by an elastic force of the first portion and/or the second portion. | 01-31-2013 |
| 20130083410 | LENS STRUCTURE - The lens structure comprises a first barrel, a second barrel and a third barrel. The second barrel has a first guiding groove and comprises a first pin. The third barrel has a second guiding groove and a second pin. The first barrel is rotatably disposed outside of the third barrel, and the second barrel is translatably but not rotatably disposed inside of the third barrel. The first pin of the second barrel slides along the second guiding groove of the third barrel, and the second pin of the third barrel slides along the first guiding groove of the second barrel. | 04-04-2013 |
| 20130148216 | LENS STRUCTURE - A lens structure is provided. The lens structure comprises a first barrel, at least one guider and a second barrel. The first barrel has a first groove, and comprises a first pin. The guider is slidably set to the first groove. The guider comprises a main body, a first limiting portion and a second limit portion. The main body has a first end and a second end opposite to the first end. The first limiting portion is connected to the main body and located between the first end and the second end. The second limiting portion is connected to the second end. The second barrel moves with the guider through the first limiting portion and has a second groove to which the first pin of the first barrel is set. | 06-13-2013 |
| 20140340777 | LENS BARREL - A lens barrel includes a support frame and a retracting lens frame. The support frame includes a main body portion, a first linking portion and a second linking portion. The first region is configured to dispose the second lens in the imaging enabled state. The second region is formed continuously with the first region. The first linking portion links the second region on one side of the main body portion in the optical axis direction. The second linking portion links the second region on the other side of the main body portion in the optical axis direction. The retracting lens frame is disposed between the first linking portion and the second linking portion in a housed state. | 11-20-2014 |
| 20160004030 | LENS BARREL, IMAGING DEVICE, AND PART OF LENS BARREL - A lens barrel is provided that accommodates an optical member including a lens so as to be movable in an optical axis direction. The lens barrel includes a first part that is molded from a resin material in which an additive with a friction-reducing property is added to a base resin, and thereby the additive is exposed on the surface of the base resin. The first part moves along with the movement of the optical member in the optical axis direction. The lens barrel also includes a second part that comes into contact with the first part, and slides relative to a surface of the first part on which the additive is exposed along with the movement of the optical member moves in the optical axis direction. | 01-07-2016 |
| 20160054539 | LENS BARREL - A lens barrel of the invention is configured with a first barrel member, a second barrel member which rotates around an outer periphery of the first barrel member and which has a through hole between an outer peripheral surface and an inner peripheral surface, and a moisture permeable member provided so as to cover the through hole of the second barrel member. | 02-25-2016 |
