| Patent application number | Description | Published |
| 20080285391 | Timepiece - To provide a timepiece in which operations for a rotation stop of a bezel and its release are easy, and reliability and a durability of the rotation stop are high. A bezel is disposed in a bezel disposition part of a case band so as to be capable of rotation-operating, and positioning parts and lock parts, which comprise plural concave-convex portions juxtaposed in a direction of the rotation, are formed in a back face of the bezel. To the case band, there is attached a clip stop mechanism (positioning means), which permits clockwise and counterclockwise rotations of the bezel by engaging with and disengaging from the positioning part, and holds the bezel in a position in which the rotation of the bezel is stopped. Between the case band and the back face of the bezel, a lock member is disposed so as to be movable in a diameter direction of the case band. The member has operation convex parts, pushing-in-operated from an outer periphery side of the bezel, a holding groove (holding part), and a stopper part inserted to and retracted from the lock part. To the case band, there is attached a click stop mechanism (holding means) engaging with the holding groove when the lock member was moved to a position in which the stopper part engages with the lock part, thereby holding the lock member. | 11-20-2008 |
| 20090003142 | Portable timepiece and method of fabricating crown provided to the timepiece - A crown includes a crown shaft, a crown head, a screw ring, and a spring for urging the head in a direction of being separated from a case band. The crown shaft cooperatively moving a hand setting stem is provided with a rotational force receiving portion of a deformed shape. The receiving portion is arranged at outside of a pipe fixed to the case band and is provided with a diameter larger than that of a male screw portion formed at the pipe. A head main body of the crown head includes a rotational force transmitting portion of a deformed shape fitted attachably and detachably to the receiving portion, a ring mounting face in a circular shape formed on one end side of the main body from the transmitting portion, and an inner peripheral face in a circular shape formed on other end side of the main body from the transmitting portion at an inner periphery thereof. The inner peripheral face is constituted by a diameter to be brought into outer contact with the receiving portion such that a movement in an axial direction of the head can be guided by the receiving portion. The ring mounted to the mounting face includes a female screw portion having a diameter smaller than that of the receiving portion and attachable and detachable to and from the male screw portion. | 01-01-2009 |
| 20090040882 | Timepiece - A wristwatch includes a case body, a rotary bezel, one or more pieces of operating screws, and a holding member. The case body includes a ring-like portion | 02-12-2009 |
| 20090135682 | Portable timepiece - A diver's watch includes a timepiece exterior assembly including a movement, a hand setting stem pipe, a crown for operating the movement, and a cover pipe. A locking face is formed at an outer peripheral portion of a case body provided to the timepiece exterior assembly. The hand setting stem pipe is fixed to the case body and includes a pipe side screw portion. The crown includes a crown cylinder inserted to inside of the hand setting stem pipe, and a crown head integral with the crown cylinder. The crown head is formed with a crown side screw portion attachably and detachably screwed to the pipe side screw portion, and an engaging end face brought into contact with and separated from the locking face. The cover pipe is arranged to be more proximate to the crown cylinder than the engaging end face. Thereby, the hand setting stem pipe is covered by the cover pipe and the covered state is maintained regardless of a movement in an axial direction of the crown. | 05-28-2009 |
| 20100142332 | Portable watch - A wristwatch having a lid marking on a back lid which is screwed into a body is predicted. The body includes a lid mounting portion, and a lid receiving portion includes a thread and lid receiving surface on the side of an interior of the body with respect to the thread. The back lid includes a lid plate superimposed on the lid receiving surface and a holding ring. The lid plate includes an annular projection on a peripheral surface thereof and the lid marking on the front surface thereof. The holding ring includes a thread screwed in the thread. The holding ring is mounted on the lid mounting portion by screwing the both threads, and an annular projection is clamped between the ring and the lid receiving surface to fix the lid plate. A detent portion is provided on the lid mounting portion. An engaging portion to be engaged with the detent portion is provided on the lid plate. The lid marking is provided in such a manner that the lid marking is aligned with a 12 o'clock to 6 o'clock direction of a time display portion in a state in which the engaging portion and the detent portion are engaged with each other. | 06-10-2010 |
| 20100142333 | Portable device and portable watch - In a wristwatch (portable device), a push button (push-pull operating member) includes an engaging portion, and the push button is mounted on a watch sheath (watch outer sheath). A locking member and a leaf spring (urging member) are arranged on the watch sheath. The locking member is movable between a locked position in which the push button is held at a predetermined position by the engagement with the engaging portion and an unlocked position where an operation of the push button is allowed. The locking member is urged by the leaf spring toward the unlocked position. A circular operating ring surrounding an hour plate (display portion) mounted on the watch sheath is rotatably mounted to the watch sheath from the front side. The invention is characterized in that the movement of the locking member between the locked position and the unlocked position is interlocked with a rotating operation of the operating ring. | 06-10-2010 |
| 20100220560 | Watch - A bezel member rotatably mounted to a case band member is provided with an accommodating groove, a pair of passing portions continuous with the accommodating groove at positions spaced apart by approximately 180°, and a pair of escape grooves continuous with both passing portions from the center side of the bezel member and open to the exterior of the case band member. The case band member is provided with engagement grooves arranged in a ring-like fashion so as to be opposed to the accommodating groove, and a ring-like reception groove surrounded by the engagement grooves and continuous with the engagement grooves. A lock member retains the bezel member at an arbitrary rotating position. The lock member has an arcuate spring portion accommodated in the accommodating groove, a pair of pushbutton portions passing through the passing portions and to be pushed in from the outside of the bezel member, and a stopper portion engaged with the engagement grooves and adapted to be detached from the engagement grooves when the pushbutton portions are pushed into the reception groove. | 09-02-2010 |
| 20110051564 | Windup portable timepiece and method of operating crown with which this timepiece is equipped - A portable timepiece has a timepiece exterior assembly having a case band containing a movement having a one-way clutch transmitting rotation to wind up a mainspring to the mainspring and preventing transmission of rotation to rewind the mainspring to the mainspring, and a winding stem, a winding stem pipe with a male screw portion arranged outside the case band being fixed to the case band, a crown connected to the winding stem being detachably brought into the male screw portion, an engagement end surface of the crown being brought into contact with a lock surface of the case band to maintain the crown in a lock state. The portable timepiece is characterized in that when placing the crown in the lock state, the crown is rotated in a direction opposite to the winding-up direction of the mainspring, and when releasing the lock state to wind up the mainspring, the crown is rotated in the same direction as the mainspring winding-up direction. | 03-03-2011 |
| 20110051570 | Portable timepiece - A wristwatch is equipped with a timepiece exterior assembly, an exhaust button, a coil spring, and seal members. A pipe provided in the exterior assembly so as to establish communication between the interior and exterior thereof has seal surfaces and escape portions. The button is equipped with a shaft portion inserted into the pipe and exhibiting a detachment preventing portion to be caught by a pipe edge portion from within the exterior assembly, and a button portion depressed from the outside of the exterior assembly. The spring, which urges the button in an anti-pushing-in direction, is provided between the button portion and the timepiece exterior assembly. Seal members, mounted to the shaft portion in correspondence with the seal surfaces are moved between a sealing position and an exhaust position through axial reciprocating movement of the button, and, while in contact with the seal surfaces, define a closed space S together with the outer periphery of the shaft portion and an escape portion opposed to this outer periphery. | 03-03-2011 |
| 20110051571 | Portable timepiece - A wristwatch is equipped with a timepiece exterior assembly, a valve member, a coil spring, and seal members. A pipe provided in the exterior assembly so as to establish communication between the interior and exterior thereof has seal surfaces and escape portions. The valve member is equipped with a valve member shaft portion inserted into the pipe and exhibiting a detachment preventing portion to be caught by a pipe edge portion from the outside of the exterior assembly, and a valve member head portion arranged inside the exterior assembly. The spring, which urges the valve member toward the inner side of the exterior assembly, is provided between the valve member head portion and the timepiece exterior assembly. Seal members mounted to the valve member shaft portion in correspondence with the seal surfaces are moved between a sealing position and an exhaust position through axial reciprocating movement of the valve member, and, while in contact with the seal surfaces, define a closed space S together with the outer periphery of the valve member shaft portion and an escape portion opposed to this outer periphery. | 03-03-2011 |