Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4026545 | Physical exercise apparatus To permit use of a simple physical exercise apparatus by two persons, and eliminate power supplies for forced exercise, a bicycle-type drive system having a bicycle-type frame and a crank is connected over a preferably separable coupling to a movable surf... | 05/31/1977 |
| 4003375 | Exercise and massaging apparatus An exercise and massaging apparatus in the form of a stationary bicycle includes a belt having movable striking elements. When the belt is worn and pedal means are operated, the striking elements repetitively impact upon the wearer of the belt.... | 01/18/1977 |
| 3984666 | Calorie metering exerciser An exerciser combined with means for converting the output energy to measurable form and adjusting the indicated energy output by the exerciser to a quantity of exercise desired and means for measuring the energy output of the exerciser in calories.... | 10/05/1976 |
| 3968963 | Chair-type bicycle exercise device Bicycle-type pedals are rotatably mounted on a frame in a manner whereby the pedals are rotatable by a user seated in a chair in proximity with the frame; the frame is elongated and is adjustably attached to the under surface of the seat by means of a tra... | 07/13/1976 |
| 3966204 | Elastic type exercising apparatus Fitness apparatus for the performance of gymnastic exercises based on stress and relaxation has a plurality of tough elastic ring-shaped hand grips, and connector including at least one endless elastic tensile element connected to two of said ring-shaped ... | 06/29/1976 |
| 3964343 | Combination means for rigidly attaching shoe to a pedal for a foot-driven crank-operated machine This invention provides a combination means for quickly and rigidly securing the foot of an operator to a pedal of a bicycle, or the like. The combination means comprises pedal-gripping means adapted to be secured to the sole of the shoe of an operator, a... | 06/22/1976 |
| 3939932 | Exercise apparatus A combination pedal and motor powered bicycle "moped" having a chain tension sensor attached to the throttle so that the rider can control the power output of the motor by the degree of force he exerts in pedalling.... | 02/24/1976 |
| 3930495 | Invalid exercising device A bicycle type of exercising device for paraplegic invalids comprising an elongated structure having one end adapted to rest upon the floor and its other end adapted to rest upon the end of a conventional bed. Handle bar means and seat support means are m... | 01/06/1976 |
