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Class 411/312 - Including means biasing the threads in axially opposed directions


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the mating threads are forced into frictional
No. of patents: 8
Last issue date: 09/19/2000


NumberTitleIssue Date
6120865Method for producing molding die for synthetic resin lens barrel having a helicoid and for producing the lens barrel
An inner barrel includes a male helicoid, and an outer barrel includes a female helicoid which can engage with the male helicoid of the inner barrel. The included angle of trapezoidal threads of the male helicoid are identical to an included angle of trap...
09/19/2000
5385360Headset locking mechanism
Locking the headset of a steering post of a bicycle is accomplished by this invention where the steering post or threaded body projects coaxially through a cylindrical journal mounted at the front end of the bicycle frame. Bearing cups are secured in each...
01/31/1995
5252015Adjustable pre-load screw and nut assembly
An adjustable pre-load screw and nut assembly is described including a screw with external helical threads and a nut having two separate portions each with internal threads complementary to those on the screw. An adjustment nut and adjacent O-ring can be ...
10/12/1993
4690600Threaded connection having multi-part threaded bolt
The threaded connection is formed between a tapped component and an externally threaded two part bolt. The two bolt parts are each provided with an external thread of the same pitch and hand in order to be threaded simultaneously into the tapped component...
09/01/1987
4405180Wheel hub for two-wheeled vehicles
A wheel hub for a two-wheeled vehicle, such as a bicycle, includes a quick clamping device for securing the hub axle in the fork of a bicycle frame. The device includes a clamping unit at each end of the hub axle. Each clamping unit contains an adjusting ...
09/20/1983
4305113Adjustable low loss capacitor with slotted rotor
A rotor for an adjustable low loss capacitor having a hollow cylindrical stator with an internally threaded bushing at one end, an axially adjoining insulative cylindrical body, a conductive end member and concentric radially spaced conductive tubes insid...
12/08/1981
4252167Device for positively locking a screw in a tapped hole
The device comprises in combination a screwthreaded block and a screw which are hollow and have screwthreads of opposite direction. These screwthreads cooperate with screwthreads of respectively corresponding direction formed in the inner wall of the tapp...
02/24/1981
3989081Method and apparatus for preloading a joint
The invention disclosed herein relates to a fastener assembly and method of using same to preload a joint including a plurality of adjacent workpieces having aligned openings formed therein. The fastener assembly includes a pin member having an enlarged h...
11/02/1976
 
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