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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 279/102 - Friction grip


Subclass of Class 279 - Chucks or sockets
Definition: Devices wherein the tool shank, tang, or rod is held in
No. of applications: 11
Last issue date: 05/24/2012


Application No.Application TitleIssue Date
20120126496Method for Making by Assembling a Tool to and in a Tool Holder, and the Tool and Told Holder, and the Assembled Tool and Tool Holder
A method for making by assembling a tool to and in a tool holder, and the tool and tool holder, and the assembled tool and tool holder. The tool is shrink-fitted into a cylindrical bore of the tool holder, and a shoulder of the tool abuts an abutment face of the tool ho...
05/24/2012
20110193299SHRINK-FIT TOOL WITH MECHANICAL RETENTION MEMBER, AND METHOD OF MOUNTING A TOOL TO A TOOLHOLDER
A shrink-fit tool (21) includes a tool and a toolholder, one of the tool (23) and the toolholder (25) having a male shank portion (27) and the other one of the tool (23) and the toolholder (25) having a body portion (29) ...
08/11/2011
20100301569"Bi-directional quick change tool-less lever and wedge actuated collet chuck, system and/or method for using the same"
A bi-directional quick change tool-less lever and wedge actuated collet chuck, a system and/or a method provide symmetrical tool bit shank holding pressure before, during and after operation of a rotary-style power tool. The collet chuck is attached to and/or is integra...
12/02/2010
20100225074DEVICE FOR CLAMPING AND UNCLAMPING A TOOL THROUGH INDUCTIVE WARMING OF A TOOL HOLDER
A device for clamping and unclamping of tools comprising a tool shaft, by which device a sleeve section (2) of a tool holder (1) comprising a centric receiver opening (4) for a shaft (5) of a rotation tool is inductively heated, which sleeve ...
09/09/2010
20090085307MACHINE TOOL BIT HOLDER WITH ADJUSTABLE JAWS
A machine tool bit holder providing a stable connection between a machine and a tool bit being used to perform machining operations on a work piece. The holder for the tool bit is of simple construction and has a large contact area relative to a tool bit size and a hold...
04/02/2009
20090085308Tool connector having different driving members
A tool connector includes a outer sleeve having a noncircular bore, and a tool shank slidably engaged in the bore of the outer sleeve and having two end portions slidably engaged in the bore at two end portions of the outer sleeve and extendible out of the end portions ...
04/02/2009
20090033043TOOL HOLDER FOR CLAMPING TOOLS BY SHRINK FIT
The invention relates to a tool holder (1) for clamping tools by shrink fit. Said tool holder, due to its specific shaping in the area of the shrink-fit head (6) and the shrink-fit base (5) of the tool holder, is less prone to oscillate than known t...
02/05/2009
20080141631METHODS OF RELEASING AND RE-CONNECTING A CAPPING DEVICE
A capping device fits caps onto containers by applying an axial force to the caps as they are threaded onto the containers. The capping device utilizes a spindle rotatable about an operational axis for imparting rotation to a capper unit. A connector coupled to the capp...
06/19/2008
20070138168SHRINK-FIT CHUCK WITH ECCENTRIC POSITIONING
The invention relates to a shrink-fit chuck tool holder for cylindrical, particularly circular cylindrical shank tools, comprising a fastening shank (12) for establishing the connection to a machine tool and a thermally expandable shrink section (14). The ...
06/21/2007
20060021208Method for fastening a tool in a tool chuck
The invention relates to a method for fastening a tool (22) within a tool chuck (20). An actual position of the tool (22), especially in the direction of the longitudinal axis of the tool (22), is determined by taking a measurement, whereupon...
02/02/2006
20050204552Device for thermally clamping and releasing tools in shrink-fit chucks
A device (10) for thermally clamping and releasing tools (11) in shrink-fit chucks (12), having a socket (15) for a shrink-fit chuck (12), a heating unit (16) that can be moved toward and away from the mounted shrink-fit chuck (...
09/22/2005
 
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