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Class 411/462 - Including stiffening means


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein stiffening means are provided or
No. of patents: 8
Last issue date: 05/17/2005


NumberTitleIssue Date
6893197Caged nut assembly with reinforcing protrusions
A cage is adapted to hold the nut. The cage is formed from a sheet of material into top, bottom, and side walls. A protrusion extends between adjacent walls and is formed from repositioned material and/or an expanded portion of the sheet of material. The protrusion ...
05/17/2005
6866458Drywall fastener with improved driving head
A fastener for securing a drywall work piece to a metal substrate. The fastener includes an elongated flat body carrying a securing member and having a driving head disposed at a substantially right angle to the elongated flat body. The driving head defines a bore t...
03/15/2005
6722095Seam plate for retaining roof decking membrane
A seam plate for use in connection with securing membrane sheets to underlying roof decking substructure comprises a substantially rectangular plate having a central aperture for receiving a bolt fastener. Upstanding rib structure is provided upon the plate so as to...
04/20/2004
6325740Toroidal-type continuously variable transmission
The hardness of the outer peripheral surface of a small-diameter portion 47 and one side surface of a collar portion 52, which respectively rub against a belleville spring 39a, is set at HRc45 or higher, thereby enhancing the wear resistance of these surf...
12/04/2001
5971649Ring binder mechanism
A ring binder mechanism adapted to be secured to a cover is disclosed as including a substantially rigid upper curved housing supporting a pair of plates to which three pairs of half-ring members are mounted, and a pair of rivets for engagement with the c...
10/26/1999
4803823Rigid insulation corner fastener
The fastener can be made of metal or plastic in the form of a semi-flat disc or plate, with some reinforcing ridges if required. The disc or plate can be of various geometric shapes and dimension. At the center of the disc or plate surface is a small hole...
02/14/1989
4509232Attaching post for snap fastener elements
An attaching device for attaching a socket member of a snap fastener to a garment has a post having a circular flange extending from a cylindrical stem and a cap mounted thereon. The circular flange has a central portion, an intermediate inclined annular ...
04/09/1985
3981051Bristle-like gripping device
A self-gripping device is disclosed and includes a plurality of thin bristle-like gripping elements attached in close proximity to each other to a base. Each of the gripping elements have self gripping means spaced along the length thereof and they extend...
09/21/1976
 
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