Matches 1 - 40 out of 40
Match Document Document Title
7229209 Pendulum box for clock  
A pendulum box for a clock pendulum box includes a tumbler seat, a pendulum mover pivotally mounted on the tumbler seat, and a pendulum rod mounted on the pendulum mover and having a portion...
7153022 Solar powered rainbow maker  
A crystal display device is disclosed wherein a vertically arranged photovoltaic cell, main device housing—encasing an electric motor and transmission—, and a refractory crystal suspended below...
6250798 Solar crystal motion device  
This device projects slow moving light beams on the shadowed regions of a windowed room when the sun shines through the window. It includes a crystal-set (9) directly suspended from the bottom of a...
6036358 System and method for diagnosing mechanical clocks  
A system and method are provided for calculating the period of a mechanical clock while minimizing the effects of extraneous noise. The method of the invention senses three sounds from the clock...
5822277 Long period pendulum apparatus  
A pendulum stem (16) not more than 4 inches in length has one end portion swingably connected to a pivot arrangement (18) and a concentrated mass (22) slidably located on the other end portion....
5717660 Rotary decoration driving device  
A rotary decoration driving device comprises a case, a first rotary shaft having a first end portion rotatably supported by the case and a second end portion supporting a first decoration for...
5586088 Metronome mechanism  
A metronome mechanism comprises a bearing frame with a web and two limbs protruding from the web, a winding stem carrying a spring housing, a ratchet wheel stem carrying a ratchet wheel and bearing...
5446704 Structure of clock  
A structure of clock comprises a main body having a clock mechanism on upper portion, a battery and circuit chamber on medial portion, a pendulum chamber on lower portion and an oscilatory control...
5442601 Structure of a ultrathin clock  
A structure of an ultrathin clock comprises generally a roughly rectangular housing having partitioned into a first chamber on upper portion for disposing a clockwork mechanism and a dial, a second...
5425005 Drive unit for a rotary decoration  
A drive unit for a rotary decoration has a transmission gear train configured to include a damper such as a coil spring and is capable of imparting a visually elegant swing motion to the rotary...
5268881 Compensator for a mechanical pendulum clock  
A compensator for a mechanical pendulum clock has on the rear side of a pendulum bob a center of gravity adjusting device, which is actuated by an electric motor. An electronic controller, which is...
5163535 Timing mechanism  
In a governor of the type which is used for regulating the angular velocity of a toothed gear wheel which is biased to rotate, the improvement which comprises an inertial mass affixed to one end of...
5159583 Decorative clock device  
A combined clock and decorative liquid display wherein an oscillating pendulum of an electronic clock causes a float suspended in a body of liquid to move back and forth due to magnetic induction...
5140565 Cycloidal pendulum  
An isochronous pendulum for clocks. The oscillation of the pendulum causes a small compensating mass attached to the pendulum's primary mass to move in such a manner that the center of mass of the...
5007036 Case clock with illuminated pendulum  
A light source is associated with the oscillating pendulum of a case clock to be energized during operation of the pendulum to achieve a striking ornamental effect as the light source moves with...
4939709 Electronic visual display system for simulating the motion of a clock pendulum  
A visual device for simulating the motion of a clock pendulum consisting of a series of light emitting diodes having the property of emitting two distinct colors and electronic logic arranged to...
4832156 Spring motor  
A braking device is provided to reduce the speed at which a shiftable spring motor runs down. The braking device includes a pallet which is mounted so that it can oscillate, the pallet having a...
4829495 Pendulum device for clocks  
A pendulum rod is mounted so as to be able to swing within a desired or a normal swing angle. The means mounting the pendulum rod include means for restricting movement of the pendulum rod along...
4712925 Pendulum type decorative and time indicating device  
A clock is provided with at least partially upwardly disposed time indicia and a pendulum is arranged to oscillate above the correct indicia to indicate current time. The clock may take any one of...
4624580 Twisting pendulum operating apparatus  
A twisting pendulum operating apparatus which includes a suspension wire for suspending a pendulum from a support, a rotary shaft which is engageable by gears of a clock for rotating the shaft...
4525078 Electromagnetically-induced rocking clock  
An electromagnetically-induced rocking clock includes an adjustable combination rod fixed with a permanent magnet, two abrasion-resistant sockets formed on the combination rod and two supporting...
4449831 Pendulum arrangement for clock movement  
A pendulum arrangement for a clock movement in which such arrangement has a pendulum arm being mounted to swing freely at a pendulum arm supporting means which is installed on a clock movement...
4378166 Pendulum arrangement of pendulum clock  
In a pendulum arrangement of a pendulum clock having a pendulum arm hanging a pendulum disc on one end and being pivotally and swingingly supported at a supporting portion of a base plate, an...
RE31073 Electromechanical clock  
A timepiece with an electrodynamically controlled clockwork has a torsion ndulum intermittently coupled through a gear train with the clockwork for the maintenance of its oscillations. The gear...
4241437 Simulated pendulum clock  
A simulated pendulum clock has a pendulum which rocks to and fro for decorative purposes only thereby simulating a pendulum clock of the type having a rocking pendulum for timekeeping purposes. A...
4228533 Autonomous pendulum mechanism for clockworks  
An autonomously operating pendulum mechanism, adapted to be attached as a unit to a clockwork, comprises a supporting plate adapted to be attached to a clockwork casing in overlying spaced...
4139981 Escapement mechanism for pendulum clocks  
A pendulum clock mechanism may have an escapement coupled to a conventional pendulum bob by means of an anchor arbor which is frictionally or slip coupled to an anchor having at least a pair of...
3871167 Turbine clocks  
A pendulum clock powered by a slow turning water turbine is disclosed, the clock comprising of a source of liquid (or any other agent, such as sand, air, or a subminiature electric motor that can...
3845617 PENDULUM CLOCK  
A pendulum clock of the weighted rope end-type, constructed so as to be fitted with a commerically mass-produced clockwork, and which will run dependably and in a frictionless manner upon the...
3747332 ELECTRIC PENDULUM CLOCK AND PARTS THEREFOR OR THE LIKE  
An electric clock having an electrically operated clock mechanism driving a drive means operatively interconnected to a pivotally mounted pendulum whereby the drive means is adapted to cause...
3464199 HANDLESS PENDULUM DRIVEN CLOCK  
3434279 PENDULUM HANGER  
3411288 Self-aligning pendulum mount  
3395533 Pendulum clock mechanism  
3290874 Gravity pendulum clock escapement  
3171244 Escapement movement for pendulum clocks  
2949728 Clock  
2847818 Electromagnetically operated clocks  
2820338 Constant periodic motion device  
2796728 Precision chronometer  
Matches 1 - 40 out of 40