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Patent No. 5265827

Paddle Wheel Plane

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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Class 411/199 - Member comprises key movable laterally into engagement with threaded elements


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein at least one of the distinct members ordinarily
No. of patents: 4
Last issue date: 12/12/2006


NumberTitleIssue Date
7147420Self-locking pin
A self-locking pin having a shaft, a headed end, and detent means biased in a bore in the pin. The portion of the detent or plunger that extends outwardly from the bore is wedge-shaped, while the portion of the plunger disposed inside the bore is cylindrical. A tran...
12/12/2006
6234926Tool for a cable fixing bolt
A tool is provided for holding a cable fixing bolt of a bicycle component in a loose condition. This tool allows the cable fixing bolt to be shipped and stored in loose condition, while preventing the cable fixing bolt from falling out of a bicycle compon...
05/22/2001
5957543Structure of golf cart wheel holder assembly
A golf cart wheel axle assembly having a holder plate connected to the frame of a golf cart to hold a wheel axle by a lock screw, wherein a rivet is fastened in a transversely extended rivet hole on the holder plate and peripherally engaged into an annula...
09/28/1999
4297063Telescoping self-retaining safety bolt assembly
A self-retaining safety bolt assembly having a headed end, a cylindrical shank, and a pin tail nut with a tubular shank telescoping over the cylindrical shank with means near the headed end to retain the tubular shank on the cylindrical shank in a hole in...
10/27/1981
 
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