The present invention relates to both gyroscope toys and gyro muscle development devices and in particular to a gyroscope device having a hand-held outer shell containing a drive assembly with a spring-loaded finger-drive button that retractably charges and discharges the gearing in an engine assembly which imparts continually accelerated rotation to a flywheel assembly contained within the outer shell. The gearing in the engine assembly is arranged such that the idler gear alternately attaches to the input side of the system when the drive button is depressed to charge the coil spring and subsequently the idler gear attaches to the output side of the system while also inducing a recovery force on the input side of the system returning the drive button to its ready position. Thus, the engine assembly provides increasing acceleration of the flywheel rotation imparted by successive cycles of the drive button. The resulting high-speed rotation causes a gyro effect that can be employed both as a fidget-type toy or a resistance exercise device for muscle development or occupational therapy.
Gyro toys and gyroscopic muscle conditioning devices are well known in the art. Typical gyro devices employ hand wound string on the shaft of the gyro as a means to rapidly accelerate the flywheel. Such gyroscope devices provide limited play value due to the time consuming and tedious effort required to activate the desired gyroscopic rotation. In addition, such traditional gyro devices cannot be hand-held. A motor driven hand-held gyroscope device is described in U.S. Pat. No. 10,252,151 in which two gyros are suspended on a handle. However, the batteries and motor are a complex and costly approach to such a consumer product. Alternately, U.S. Pat. No. 5,353,655 is a hand-held gyroscope accelerated by means of suspending a rotating element within a shell that contains an opening such that an exposed segment of the rotating element can be successively dragged across a surface by the user to develop the desired gyroscopic effect. Such resistive motion gyro products are promoted for strength and conditioning. However, due to the limited potential rotational rate and inconvenient repeatability of this dragging method, the usefulness is minimized. Additionally, these approaches do not provide the engaging user feedback of the rhythmic manual manipulation of the finger-driven gyroscope system herein described.
In order to improve both the play value as well as the strength and fine motor skill benefits of a gyroscope, what is needed is a hand-held device that allows the user to easily charge the gyro system to a high rate of rotational motion by means of a simple and convenient charging mechanism that may be employed repeatably while holding the device in their hand.
The present invention provides a hand-held gyroscope device having an outer shell that houses an engine assembly with a drive button and spring loaded gearing such that when the drive button is actuated in a repeatable reciprocal motion the gearing is alternately engaged and disengaged from a flywheel to impart increasingly accelerated rotational motion to the flywheel, thus creating a gyro effect.
Specifically, the present invention provides a gyroscope device with an outer shell that houses a drive assembly. The drive assembly has a drive button exposed on one side and hinged to provide a means to actuate a rack gear which imparts a subsequent rotation of an input pinion gear further linked to a coil spring gear in the engine assembly. The input pinion gear has a gear ratio such that the linear motion of the input rack gear provides amplified rotation of the coil spring gear thus increasing the stored energy in the coil spring. This first arrangement of gears charges and discharges the series of gears on the input side of the engine assembly when the drive button is reciprocally manipulated by the finger of the user. Spring-loading the input side of the system also allows the drive button to be reset to its original position when the finger pressure is released. The reversible, repeatable cycle of this input method allows the user to incrementally accelerate the flywheel rotation manually with tactile feedback from the gear system in a desirable rhythmic motion.
Thus it is one object of the invention that the gyro device has a drive assembly containing a drive button to manually charge the gear system of the engine housing when the button is depressed.
Thus it is another object of the invention that the input side of the engine assembly has a rack and pinion receiving set linked to a coil spring gear.
Thus it is another object of the invention that actuating the drive button reversibly charges and discharges the coil spring gear to reset the system when the drive button is reciprocally depressed and released.
The engine assembly further contains an idler gear that rests in a slot disposed between the coil spring gear and the output gear set. The idler gear teeth are continually linked to the coil spring gear so that the direction of the coil spring gear rotation influences which of two positions the idler will take in the slot. Thus as the drive button is being depressed, the coil spring rotates in a direction to charge the spring as the idler gear is influenced to free itself from the output gear and rest in a neutral position disengaged from the output side of the gear system. Conversely, when the drive button is released the coil spring gear rotates in the discharging direction and the idler gear is influenced to engage the output gear of the engine assembly, thus transferring the spring loaded rotation from the coil spring gear through the idler gear to an output gear and finally to the axle gear of flywheel assembly. The gear ratios of this system are such that repeated cycles of the input rack gear induce ever increasing rotational speed of the flywheel assembly of the gyro device.
Thus it is another object of the invention that an idler gear allows for a detachable transition between the input side and output side of the engine assembly gear system.
Thus it another object of the invention that the two alternate positions of the idler gear are influenced by the coil spring gear rotational direction.
Thus it is another object of the invention that the charging rotational direction of the coil spring gear influences the idler gear to shift to a neutral position disengaged from the output side of the gear system.
Thus it is another object of the invention that the discharging rotational direction of the coil spring gear influences the idler gear to shift to a position of engagement with the output gear thereby transferring the spring-loaded rotation to the axle gear of the flywheel assembly.
Thus it is another object of the invention that the gear ratios are such that repeated cycles of the input rack gear induce increasing rotational speed of the flywheel assembly of the gyro device.
For the present embodiment of the device, the flywheel assembly of the gyroscope has two flywheel hubs connected to the flywheel axle and positioned on either side of the drive assembly. Each of the two hubs hold a balanced weight in the form of metal rings. The overall drive assembly is contained in two partial spheres that are joined by a center collar. The semi-spherical outer shells are translucent to allow for viewing the motion of the flywheel assembly. Each flywheel hub has a centrifugal switch that triggers a light when the rotation is sufficient to activate the switch. The center collar carries two rotation buttons on opposing sides of the collar and radially aligned 90 degrees to the flywheel assembly axis and by which the charged gyro device may be held allowing the entire device to rotate freely due to the influence of the gyro dynamics. For added play value, the device can be rocked back and forth in the hand to impart increased rotational rate and also cause a sudden reversal of the rotational direction.
Thus it is an object of the invention to house the drive assembly in an outer shell with a center collar.
Thus it is another object of the invention to have a set of centrifugal switches to trigger lights when the gyro is rings are set in motion.
Thus it is another object of the invention to have opposing buttons in the outer shell to allow the user to hold the device and observe the physical effects of the gyro motion.
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The Section “C” line reference is an offset cutting plane through the input rack gear 16 and the smaller gear diameter of the input pinion gear 17.
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Generally then the invention can provide a hand-held gyroscope toy or gyroscopic muscle conditioning device with an outer shell containing a drive assembly with a spring-loaded drive button exposed at one end that retractably charges and discharges the gearing of a drive assembly to impart continually accelerated rotation of a flywheel contained within the outer shell. The resulting high speed rotation causes a gyro effect that can be employed both as a fidget-type toy or a resistance device for fine motor or muscle development. Buttons on two sides of the outer shell allow the device to be held and rotate freely demonstrating the physical effects of the gyroscopic rotation. Thus the device would be an entertaining fidget toy that is interesting to activate, hold and observe as well as a useful resistance exercise device for strength conditioning or occupational therapy recovery.
The above description has been that of a preferred embodiment of the present invention, and it will occur to those that practice the art that many modifications may be made without departing from the spirit and scope of the invention. A number of different types of gearing systems and alternate spring designs may be employed to provide optimal rotational output of the gyro device described herein. Similarly, alternate housing and bearing arrangements could be devised for case of manufacture. In order to apprise the public of the various embodiments that may fall within the scope of the invention, the following claims are made.
This application claims the benefit of U.S. Provisional Application 63/386,579 filed Dec. 8, 2022 and hereby incorporated by reference.
Number | Date | Country | |
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63386579 | Dec 2022 | US |