Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8040759 | Device that assists in maintaining the position of a date indicator disc for a timepiece Device that assists in maintaining the position of a date indicator disc (2; 3) for a timepiece, the position of the date indicator disc (2; 3) being indexed by a jumper spring (50; 50′), said device being characterized in that it includes a l... | 10/18/2011 |
| 7961556 | Day display apparatus and watch having the same The present invention aims to provide a day display apparatus having less risk of occurrence of a day hopping even when an impact caused by a drop or the like is applied and a watch having the same. A day display apparatus of a watch includes a first day display whe... | 06/14/2011 |
| 7706214 | Perpetual calendar mechanism The perpetual calendar mechanism includes a date mobile (16, 28-31), a date lever (3) bearing a small click (14), a correction lever (4) driving a great click (40) and a finger (2) driving the levers (3, 4). Th... | 04/27/2010 |
| 7643379 | Instantaneous display mechanism for a timepiece The mechanism includes a display member (10) fitted with a toothing (14) mounted so as to move in rotation, a drive wheel set (39) mounted so as to move in rotation, including a cam (40) and a finger (24), wherein the finger is sec... | 01/05/2010 |
| 7403449 | Watch movement including a display ring holding plate The movement (10) includes at least one display ring (12, 14) which is rotatably mounted on a bottom plate (16) and which carries markings that will appear in a display zone (22). The ring (12, 14) is fitted with an inner periphera... | 07/22/2008 |
| 7355927 | Date display for timepiece This date display for a timepiece, comprising two side by side indicator disks (1, 2), one (1) bearing the figures for the units, the other (2) those for the tens, the two side by side figures of the two respective disks (1, 2) appearing ... | 04/08/2008 |
| 7333397 | Calendar corrector A calendar corrector is disclosed for arrangement in a movement of a watchmaking part provided with a calendar display and, for example, a thirty-one wheel which goes round in thirty-one days. In one implementation, the corrector comprises a manual control, enabling... | 02/19/2008 |
| 7254094 | Timepiece with calendar mechanism containing 2 date indicators To provide a structure capable of performing a correction which surely and easily turns a date display back by rotating a 1st date indicator and a 2nd date indicator in both positive and reverse directions. A timepiece with a calendar mechanism possesses a 1st date ... | 08/07/2007 |
| 7242640 | Annual data mechanism for a timepiece movement This mechanism comprises a date runner, a months satellite with five teeth on a pitch for twelve, secured to the date runner, a fixed planetary toothset and a drive member for driving the date runner comprising two drive fingers, the first intersecting the path of t... | 07/10/2007 |
| 7180829 | Timepiece equipped with calendar mechanism including first and second date indicators A timepiece equipped with a calendar mechanism has a first date indicator for displaying the units numeral of the date, a first date jumper for setting a position of the first date indicator in a rotation direction, a second date indicator for displaying the tens nu... | 02/20/2007 |
| 7158448 | Timepiece with date mechanism This date mechanism comprises a calendar mobile (1), a driving mobile (3) an instantaneous-jump cam (7), a finger (9b) kinematically connected to this cam (7) in order to drive the calendar mobile (1). The driving fin... | 01/02/2007 |
| 7133328 | Large date display device Date system for a horological movement comprising a tens disc (2) connected to a star wheel (4) driven by a first drive device (12), and a units disc (1) driven by a second drive device (13). The said drive devices (12, 13) ... | 11/07/2006 |
| 7106661 | Calendar timepiece A calendar timepiece has a main plate, a time indicator mounted on the main plate for undergoing rotational movement to indicate time information, a date indicator mounted for undergoing rotation to indicate date information, and a date indicator driving wheel mount... | 09/12/2006 |
| 7027361 | Perpetual calendar for a timepiece A timepiece comprising a date display, comprising a date display assembly comprising a date ring, a first gearing assembly being meshingly coupled to the date ring for causing the rotation of the date ring; and a stepping motor comprising a rotor, wherein the rotor ... | 04/11/2006 |
| 7023762 | Date display assembly for an analog timepiece A date display assembly for a timepiece, wherein the timepiece comprises a casing, an hour wheel that is rotationally engaged with a meshing wheel, and a display window for displaying a date, the date display assembly comprising an outer date ring having a plurality... | 04/04/2006 |
| 6958952 | Method for forming a date indicator actuated by a clock movement and mechanism for implementing this method According to this method the units and tens numerals are placed onto respective indicator runners (1, 2). Two drivelines are formed, one being a daily driveline between the clock movement and the indicator runners, for moving the units indicator runner (1 | 10/25/2005 |
| 6850467 | Jumper structure and timepiece having the same To provide a jumper structure which is light-weighted and capable of reducing fabrication cost and a timepiece using the same. A jumper structure of a timepiece is constituted by integrally molding a jumping and restricting portion made of carbon nanofiber and a spr... | 02/01/2005 |
| 6582118 | Electronic timepiece having transmission wheel rotational position detecting apparatus An electronic timepiece has a wheel train mounted for undergoing rotation and a transmission wheel for undergoing rotation in accordance with rotation of the wheel train. A contact point spring is connected to the transmission wheel for rotation therewith... | 06/24/2003 |
| 6584040 | Electronic timepiece To provide an electronic timepiece enabling reliable detection of a state of rotation of an indication wheel such as a date dial. An ultrasonic motor 1130 has an ultrasonic rotor pinion 1134b. A date dial 1120 is disposed on a main plate 1102 in such a way as ... | 06/24/2003 |
| 6490231 | Intermittent feeding mechanism An intermittent feed mechanism has a counting wheel and a cam balancer mounted on the counting wheel and having a hole. A feed pawl is mounted on the cam balancer and has a spring portion and a pawl portion. The pawl portion of the feed pawl has a protrus... | 12/03/2002 |
| 6295250 | Time-setting mechanism for clock movement with perpetual julian date A time-setting mechanism for a clock movement with perpetual Julian date comprising a device for driving a date indicator including driving means for moving forward said indicator by one jump every twenty-four hours. The movement has an adjusting device f... | 09/25/2001 |
| 6118734 | Train of clockwork with perpetual Julian date A train of clockwork with perpetual Julian date, characterized in that it comprises an adjusting device for causing a date indicator (2) to carry out adjusting steps, for automatically taking into account months with 28, 29, or 30 days, said adjusting dev... | 09/12/2000 |
| 5724318 | Timepiece comprising rotary indicating means A timepiece includes a date indicator with inner teeth moving angularly by one step per day. An indication control star meshes with the inner teeth of the indicator. A pinion that is integral and coaxial with the star drives an indicator wheel on which an... | 03/03/1998 |
| 5384755 | Timepiece of the mechanical or electromechanical type including a drive wheel controlling at least one display system such as a date display The invention concerns a timepiece. Such timepiece comprises: a horometric movement (1) including a motor pinion or intermediate wheel (2), a crown wheel with interior teeth (6) associated with a first display system, such as a date display, and a jumper ... | 01/24/1995 |
| 4837755 | Device for controlling or correcting the readout of the day of the week or date for a wrist watch A device for controlling or correcting the readout of the day of the week or date for an analog watch, comprising a crown cogged on the inside and integral with a date or day disk, a bi-directional drive motor and a drive wheel coupled to the drive motor,... | 06/06/1989 |
| 4320476 | Electronic watch with a device for controlling and driving the day of the month An electronic watch comprising a device for controlling and driving the day of the month disc, wherein the wheel train supplies the energy necessary for moving the day of the month disc, but does not determine the instant of the jump, which may be initiat... | 03/16/1982 |
| 4291397 | Manual date advance mechanism for a watch A lever actuated by a manual pushbutton for advancing the date ring of a calendar watch so as to correct for months having less than 31 days. A special date change lever incorporates a tab actuated by the pushbutton, a first integral spring portion for bi... | 09/22/1981 |
| 4271493 | Electronic timepiece A drive mechanism for an additional mechanism of an electronic timepiece having a time-keeping system driven by a reversible stepping motor, in which an auxiliary driving source is arranged to accumulate energy utilizing a drive power transmitted from a t... | 06/02/1981 |
| 4261047 | Date driving mechanism of watch The date driving mechanism of a watch comprises a date driving wheel having a partially teethed portion engaged with teeth of a calendar driving wheel which in turn drives a calendar display dial so as to advance the calendar display dial a given amount e... | 04/07/1981 |
| 4257113 | Electromechanical calendar timepiece An electromechanical calendar timepiece has a date display provided by two indicators carrying the "units" and tens data, respectively. The motor which drives these indicators can rotate at a normal speed or at a considerably higher speed. The units data ... | 03/17/1981 |
| 4194353 | Analog display calendar watch Analog display calendar watch having a window or windows and an hour spindle changing device in which the movements of the hour hand and the disc or discs of the calendar are synchronized. The calendar disc is driven once every 24 hours by a rocker lever which... | 03/25/1980 |
| 4188774 | Electro-mechanical calendar timepiece A device for automatically correcting the date indicator of an electro-mechanical timepiece to the first date of the next month at the end of each month. A pulse driven motor advances the date indicator one date in response to a plurality of pulsed drive ... | 02/19/1980 |
| 4171610 | Calendar watch movement Driving mechanism for a calendar watch mechanism including indicia of day and date, a display window and means to advance said day and date indicia to said window, characterized by a calendar wheel which makes one revolution each 24 hours, a drive element... | 10/23/1979 |
| 4087959 | Driving mechanism of a member of timepiece moving intermittently A crown ring for a date indicator is moved once during each revolution of a continuously rotating plate or driving member, which plate has a cam-shaped member of magnetic material that rotates with it and cooperates with a magnet in order to substantially... | 05/09/1978 |
| 4048795 | Timepiece calendar mechanism A timepiece calendar mechanism which includes a monthly date ring having a circular set of internal teeth and a day-of-the-week disc disposed within the interior space of the date ring and concentric therewith, the day disc having a circular set of extern... | 09/20/1977 |
| 3992868 | Timepiece with calendar mechanism An electronic timepiece having a calendar mechanism for displaying a date or date and day includes circuitry for detecting the timing or the movement of the calendar mechanism and for generating a detecting signal. The timepiece also includes means for co... | 11/23/1976 |
