An improved elastic motor is disclosed having a constant torque characteristic. In contrast to earlier motors which use springs wound on spools, the present invention utilizes a reel with elastic stretched to its maximum tension. Each unit length of the elastic is allowed to relax back to its normal
An improved elastic motor is disclosed having a constant torque characteristic. In contrast to earlier motors which use springs wound on spools, the present invention utilizes a reel with elastic stretched to its maximum tension. Each unit length of the elastic is allowed to relax back to its normal state while generating work in a process that will continue until the wheel is fully unwound. The present invention will ease the design of mobile devices and the like by providing a power source having a predictable, stable, and constant torque output characteristic.
대표청구항▼
1. A mechanical stored energy device comprising: a rotatable reel, said rotatable reel further comprising a lock to prevent rotation of said rotatable reel; a member, said member being both flexible and stretchable, said member capable of winding upon said rotatable reel under tension, wherein s
1. A mechanical stored energy device comprising: a rotatable reel, said rotatable reel further comprising a lock to prevent rotation of said rotatable reel; a member, said member being both flexible and stretchable, said member capable of winding upon said rotatable reel under tension, wherein said tension stretches said member; movable rollers for guiding the travel of said member; bar means capable of pressing against said member to prevent slipping of said member during travel of said member around said rotatable reel, wherein said bar means is capable of traveling along the periphery of said reel; wherein upon release of said lock, said rotatable reel is allowed to rotate, thereby releasing the energy stored in said member under tension with a constant torque characteristic. 2. A mechanical stored energy device comprising: a rotatable reel, said rotatable reel further comprising a lock to prevent rotation of said rotatable reel; a member, said member being both flexible and stretchable, said member capable of winding upon said rotatable reel under tension, wherein said tension stretches said member; movable rollers for guiding the travel of said member; bar means capable of pressing against said member to prevent slipping of said member during travel of said member around said rotatable reel, wherein said bar means is capable of traveling along the periphery of said reel, said bar traveling circularly in the direction of the rotation of said reel; wherein upon release of said lock, said rotatable reel is allowed to rotate, thereby releasing the energy stored in said member under tension with a constant torque characteristic. 3. A mechanical stored energy device comprising: a rotatable reel, said rotatable reel further comprising a lock to prevent rotation of said rotatable reel; a member, said member being both flexible and stretchable, said member capable of winding upon said rotatable reel under tension, wherein said tension stretches said member; movable rollers for guiding the travel of said member; bar means capable of pressing against said member to prevent slipping of said member during travel of said member around said rotatable reel; wherein said movable rollers compress said member as said member winds upon said rotatable reel, thus imparting tension to said member, and further wherein upon release of said lock, said rotatable reel is allowed to rotate, thereby releasing the energy stored in said member under tension with a constant torque characteristic. 4. A mechanical stored energy device in accordance with claim 3, further comprising a motor wherein said motor rotates said rotatable reel, thereby bringing said member into tension. 5. A mechanical stored energy device in accordance with claim 3, wherein said member is an elastomeric material. 6. A mechanical stored energy device in accordance with claim 3, wherein said rotatable reel is cylindrically shaped. 7. A mechanical stored energy device in accordance with claim 3 wherein said bar means is capable of traveling along the periphery of said reel. 8. A mechanical stored energy device in accordance with claim 3 wherein said bar means is capable of traveling along the periphery of said reel, said bar traveling circularly in the direction of the rotation of said reel.
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이 특허에 인용된 특허 (4)
Attilio Piazza (Via Vanvitelli 46 Milan ITX), Apparatus and process for magnetically and optically reading documents and selecting the same.
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