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Class 279/51 - Fixed cam and moving jaws


Subclass of Class 279 - Chucks or sockets
Definition: Devices wherein the jaws are closed by being moved longitudinally
No. of patents: 96
Last issue date: 01/31/2012


    3  
NumberTitleIssue Date
4282419Consumable electrode welding torch with polygonal contoured electrode guide
A welding torch for arc welding includes a housing, a contact tube having a polygonal cross-section disposed in the housing, and a securing device for replaceably securing the contact tube within the housing....
08/04/1981
4226433Quick change tool holder
A quick change tool holder is disclosed which allows tools to be changed while a collet holding the tools is rotating. The quick change tool holder comprises a stationary housing, a quill rotatably supported within the housing, a collet rotatingly engaged...
10/07/1980
4218165Quick action collet lock
An improved chuck for opening and closing a split collet into which a work piece is inserted. The collet is inserted into a central bore in the chuck housing and a threaded end of the collet is threaded into a rotatable annular member located in a counter...
08/19/1980
4202102Device for opening and closing a chuck for a dental handpiece
A device of this invention for opening and closing a chuck for a dental handpiece comprises a housing and an output shaft rotatably journalled in the housing. A cylindrical hollow is formed axially from a top end portion into the output shaft and a plural...
05/13/1980
4192172Forging machine transfer for heavy workpieces
A transfer mechanism for horizontal forging machines, particularly useful for transferring relatively large workpieces which incorporate a porter bar, such transfer mechanism comprising a collet and a collet holder, both being mounted for in and out movem...
03/11/1980
4128043Tool changer apparatus
There is disclosed a tool changer apparatus for rapid changing of a tool holder in a mill incorporating a draw bar having a gripper mounted on one end thereof for gripping a holding flange formed in a tool holder so retraction of such draw bar will close ...
12/05/1978
4106242Workhead for an automatic bur grinding machine
A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spac...
08/15/1978
4091880Surgical wire inserter apparatus
A portable surgical wire inserting instrument comprising a housing defining a handle and a head casing. The housing handle holds a removable power pack in which is mounted a motor and a source of power electrically connected to the motor. A miter gear ext...
05/30/1978
4076205Support, intended to be used primarily as a Christmas tree stand
A support to secure essentially rod-shaped objects, such as the end of e.g. a Christmas tree, comprising a base plate and a clamping member arranged to be secured about said rod-shaped object. The clamping member is compressible and has diametrically oppo...
02/28/1978
4059883Apparatus for removing an ignition key cylinder
An apparatus for removing an ignition key or lock cylinder containing a shaft. A collet assembly which can grasp an ignition key cylinder or lock cylinder is also mounted on the shaft. An annulus is mounted on the collet assembly for maintaining a secure ...
11/29/1977
4046390Dead stop step chuck
An emergency chucking assembly is provided with a dead stop feature which prevents drawback when closing the collet. The assembly does not require a special collet to achieve the dead stop feature and can be used on any conventional collet, such as a one ...
09/06/1977
4023815Collet chuck assembly for custom applications
A collet chuck assembly is provided for accommodating workpieces of unusual shape and non-standardized sizes, as well as standard sizes. The assembly includes an insert configured to be firmly received into and held by standard sized collets. The insert h...
05/17/1977
4005630Apparatus for separating a bullet from a cartridge case
An apparatus for separating a bullet from a cartridge case, or bullet puller or extractor, comprising a frame, a cartridge hold-down fixture mounted on the frame, and a reciprocating chuck made of a pair of sleeves concentrically and slidably disposed one...
02/01/1977
3977079Knife having easily removable blade
A knife having an easily removable blade has an elongated tubular housing having front and rear ends. An elongated stem is proportioned to fit slidably in the housing, the stem widening circumferentially in tapered fashion at the front end of the housing ...
08/31/1976
3975984Self aligning collect for machine tools
The invention is concerned with an improvement in a machine tool gripping assembly of the type which comprises a housing with a bore therewithin and a collet slidable toward and retractable from a spindle facing end portion of said bore, the collet having...
08/24/1976
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