U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 279/101 - Threaded sleeve


Subclass of Class 279 - Chucks or sockets
Definition: Devices , the locking member comprising a screw-threaded
No. of patents: 11
Last issue date: 01/02/2007


NumberTitleIssue Date
7155764Rail coupling and lock for split-apart basket stretchers
A split-apart basket stretcher and its corresponding rail coupling and lock, where the stretcher has first and second portions for mounting in opposed facing relation to one another, and the rail coupling and lock releasably locks the first and second portions toget...
01/02/2007
5807038Drill chuck
A drill chuck for holding a tapered end of a tubular drill bit. The chuck comprises a driving member having a tapered surface for frictional engagement with the tapered end of the drill bit, a first holding member mounted on the driving member and a secon...
09/15/1998
5372465Quick change spindle adaptor for tool holder
The present invention is a tool holder and quick change adaptor which permits very tight tolerances to be kept when operations are being performed while at the same time permitting quick change of the tool holder. The tool holder and quick change adaptor ...
12/13/1994
5275425Locking device for a threaded chipper retaining nut
A chipper chisel retaining nut is provided with a circular groove in its threads which receives a formed flexible semi-circular spring ring which is inserted in the groove through an aperture formed in the exterior of the nut adjacent the groove as a devi...
01/04/1994
5083338Cleaning device with quick connect cleaning element
The invention relates to a cleaning apparatus for surfaces, more particularly window panes. It mainly comprises a handle 1 and a two-part holder 4 for rod-shaped or strip-shaped cleaning elements 8 which is releasably attached to the handle 1. The releasa...
01/28/1992
5000631Working tool holder for a drilling or chiseling device
A working tool holder for a drilling or chiseling device includes a holder sleeve with an axially extending conically shaped section within a holder opening or bore. A working tool to be secured in the holder sleeve, has a tool shaft with a conically shap...
03/19/1991
4941246Rasping device
The improved rasping device can be either a rasp or file and includes an elongated blade with a plurality of rasping protrusions on the middle portion thereof and with an integral narrow tang extending rearwardly thereof along the longitudinal midline the...
07/17/1990
4834596Quick change spindle adaptor for tool holder
A quick change spindle adaptor for a power driven spindle having an axial bore and a tool holder having a shank axially projected into the spindle. A sleeve is secured upon the spindle and an outer shell is rotatably mounted upon the sleeve and retained t...
05/30/1989
4810139Quick-change over-spindle adapter
An over-spindle quick-change assembly for releasably securing a tool holding adapter at an operative position with respect to a power rotatable shank spindle comprises a cylindrical sleeve sleeved over the tool holding end of the spindle. A collar rotatab...
03/07/1989
4630980Chuck assembly for a machine tool
A chuck assembly for use in a machine tool for holding a tool element comprises a chuck body having a sleeve integrally formed therewith so as to extend in the direction, which sleeve has a support bore defined therein for the receipt and support of the t...
12/23/1986
3964163Surgical saw blade fastening means
A surgical saw blade fastening means comprising a saw blade and chuck wich provides for positive locking of the blade while permitting rapid removal of the saw blade without the use of additional tools is disclosed. The chuck which is provided with an ada...
06/22/1976
 
Sign InRegister
Username  
Password   
forgot password?