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Class 411/261 - In the nature of a dished washer


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the member is a washer which is concave on
No. of patents: 5
Last issue date: 03/25/2008


NumberTitleIssue Date
7347189Fuel injector clamp with retaining sleeve
The following describes an apparatus for and method of clamping a device, such as a fuel injector, to a platform, such as a cylinder head, and thereafter removing the device from the platform together with the clamp. A retaining sleeve is deformed such that the reta...
03/25/2008
6881019Method and structure for locknut with substantially rigid locking member
A structure and method for a locknut with a substantially rigid locking member is provided. The locking nut has an elongated body relative to a comparable standard, non-locking nut. The elongated body allows the nut to provide a standard length of thread for engagin...
04/19/2005
6698985Self-locking threaded fastening assembly
A bolt with a partially threaded shank has a plurality of locking grooves located on the shank between the thread and its head. The bolt is inserted through a component stack and spacing washers and a stepped reaction washer such that at least half of the...
03/02/2004
4958970Graduated-load spring washer system for screws and threaded fasteners
A graduated-load spring washer system for screws and threaded fasteners uses a deflection coil spring of slightly less than one coil with special end configurations for anti-marring. A cross-section of the coil spring is substantially trapezoidal, with th...
09/25/1990
4671716Locking screw for the adjustable connection of a hinge strap
The locking screw for the adjustable connection of a hinge strap to a base plate of a hinge has an external thread, with which the locking screw is screwed into a corresponding threaded hole in the hinge flap. The end face of the bolt portion of the locki...
06/09/1987
 
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