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

Icon_funbox Did You Know...

...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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 279/118 - Toggle actuated


Subclass of Class 279 - Chucks or sockets
Definition: Devices provided with a toggle-lever mechanism to reciprocate
No. of patents: 17
Last issue date: 12/04/2007


NumberTitleIssue Date
7303195Clamping apparatus with a chuck and a pallet releasably attachable thereto
The clamping apparatus comprises a chuck member and a pallet releasably attachable thereto. The chuck member has four centering grooves, arranged offset to each other by 90° around the central Z-axis, while the pallet has four correspondingly located centering pins...
12/04/2007
7204493Lathe chuck with stepped jaws
A chuck for mounting wheel castings having different diameters upon a wheel lathe for machining the casting to final shape is provided. The chuck includes stepped jaw inserts that cooperate with corresponding stepped part supports to securely mount the wheel casting...
04/17/2007
7036827Three directional opening/closing chuck
Cylinder mechanisms are provided for driving three jaw members each of which includes a cylinder hole having a long circular cross section, a piston which slides in the cylinder hole and has a long circular cross section, and a piston rod extending from the piston. ...
05/02/2006
6918599Anti-deflection tooling
Anti-deflection tooling is provided for a pull back chuck. Equally spaced gussets are disposed between the riser body and the face plate of the chuck, to minimize or eliminate deflection of the face plate when a workpiece is clamped into the chuck. Adjustment device...
07/19/2005
6916026Powered turntable with universal, self-adjusting chuck for holding auto wheels and the like for polishing
A new and improved powered rotating turntable with a universal, self-adjusting chuck for holding auto wheels and the like for polishing, which includes a pneumatically-adjusted, self-centering metal chuck for gripping and holding specialty wheel rims of motor vehicl...
07/12/2005
6655699Six jaw equalizing chuck
An equalizing chuck assembly for heavy duty application includes a chucking assembly having a plurality of rocker arms operably connected to an actuator by a plurality of toggle links. Jaw members are disposed on one end of the rocker arms and a counterwe...
12/02/2003
4645219Chuck
The invention relates to a chuck in which the clamping jaws are connected with the chuck body via radially deflectable arms. Two flat parallel arms are preferably provided for each clamping jaw. These arms act like leaf springs and form a parallelogram li...
02/24/1987
4593451Apparatus for cleaning large pipe threads
Apparatus for cleaning each threaded marginal end portion of large pipe. The apparatus has a cleaning head assembly which includes a rotatable member having circumferentially spaced cleaning brushes adjustably mounted thereon so that the cleaning brushes ...
06/10/1986
4506896Chucks
A chuck comprises a body (10) rotatable about an axis (11) and at least one jaw (12) movable in a radial direction to clamp a workpiece in the chuck. At least one operating lever (14) is mounted on the body (10) and the, or each, lever is operable to move...
03/26/1985
4497499Double-cam power chuck
A chuck with radially reciprocating jaws is disclosed wherein each jaw is supported on a jaw support member movable relative to a base. An actuator is axially disposed in the base for axial reciprocation, the actuator having pivotally connected first and ...
02/05/1985
4422655Chuck with improved jaw actuator support structure
A chuck for heavy duty applications has a plurality of radially slidable jaw mounts each actuated by an L-shaped lever mounted for rocking motion about a supporting trunnion. The levers each have a leg engaging one of the jaw mounts and another engaging a...
12/27/1983
4387905Machine tool chuck
A multi jaw rotary chuck for lathes and the like comprising a body having front and rear portions and including a bore, a plurality of spaced jaw guides in the front portion of the body, a plurality of movable master jaw supports for the jaws of the chuck...
06/14/1983
4317427Carrier for rotatably holding kinescope faceplate during processing
A rotatable carrier for holding kinescope faceplates during processing includes a support plate having radially extending retention slots. Object retainers are arranged to slide in the slots and hold the object being processed. The retainers are biased ou...
03/02/1982
4262410Protector removal tool
Apparatus for removing protective members from the threaded ends of pipe joints. A rotating head assembly is attached for longitudinal movement respective to a main frame having a motor mounted therewithin. The head includes a plurality of protector gripp...
04/21/1981
4236722Double acting cam operated chuck collet
A chuck for a machine tool is disclosed having radially rockable work clamping jaws. These jaws are rocked between work clamping and work releasing positions by radially extending levers engaging axially and rearwardly extending legs on the rockable suppo...
12/02/1980
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
4032163Quick change in-motion tool chuck
A tool chuck includes a spindle having a barrel with an axial bore therein, and a collar slidably disposed about the barrel. A diametrical slot within the barrel receives a pair of opposed, pivoting toggles which engage and retain the end of a tool insert...
06/28/1977
 
Sign InRegister
Username  
Password   
forgot password?