Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7311312 | Chuck drawing a work against the chuck-face A chuck body is made up of axially movable plungers and jaws, in which the jaw has a master jaw body obliquely arranged with respect to an axis of the chuck body, the jaw also has a front face of the master jaw body and a rear end face of a master jaw head for restr... | 12/25/2007 |
| 7284760 | Holding device for disk-shaped objects Semiconductor technology requires the use of object holders, which are capable of holding wafers securely, also during rotation. In order to save time and expense, such holders should be suitable for integration directly into a processing facility, wherever possible... | 10/23/2007 |
| 7204493 | Lathe 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 |
| 7198277 | Wheel chuck with counterweighted jaws A wheel chuck includes a plurality of moveable jaws mounted upon a support structure. A plurality of moveable counterweights are mounted upon the support structure with each counterweight opposite from and connected to a corresponding one of the jaws. Upon rotation ... | 04/03/2007 |
| 7036827 | Three 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 |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 6918599 | Anti-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 |
| 6913429 | Tooless bit retaining assembly A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torqu... | 07/05/2005 |
| 6837499 | Ball-bolt chuck A chuck has a chuck body rotatable about a main axis and a plate displaceable axially on the body between an outer position and an inner position. Springs urge the plate into the outer position. A locking element on the body can move between a blocking position prev... | 01/04/2005 |
| 6746024 | Chuck with angular compensation The chuck comprises jaws which, in addition to their radial movement, can each swivel around an axis essentially parallel to the axis of the chuck, and where this axis glides in a radial slideway of the chuck in order to allow said radial movement. This swivelling a... | 06/08/2004 |
| 6467775 | Clamping device for objects, for example for workpieces to be treated A clamping device for objects, has a housing, at least two clamping jaws which is radially displaceably guided relative to a longitudinal central axis, actuating elements associated with the clamping jaws for actuating the latter, clamping pistons displac... | 10/22/2002 |
| 6454278 | Counter centrifugal power chuck assembly A power chuck assembly for securing a workpiece as the chuck assembly moves or rotates the workpiece is disclosed. The assembly includes a body portion, at least two gripping members and at least two counterweights wherein said counterweights operate to a... | 09/24/2002 |
| 6425584 | Sliding jaw chuck assembly A sliding jaw chuck assembly for heavy duty applications has a plurality of radially slidable jaw mounts each actuated by an L-shaped lever mounted for rocking movement about a supporting trunion. The chuck assembly includes a sealed housing subassembly w... | 07/30/2002 |
| 5944326 | Linear guide air chuck Pinching of the fingers of an air chuck is prevented during opening or closing in order to allow them to open or close smoothly and to miniaturize the air chuck. In a linear guide air chuck having a rod that is operated by an air cylinder mechanism; a pai... | 08/31/1999 |
| 5522608 | Self compensating and geometrically centering chuck A method and apparatus for a self compensating and geometrically centering jaw type chuck for engaging and retaining a workpiece, particularly an asymmetric workpiece, wherein a geometric center of the workpiece is aligned with a rotation axis of the chuc... | 06/04/1996 |
| 5340130 | Polyvalent clamp chuck for machine tools Polyvalent clamp chuck for machine-tools comprising a cylindrical chuck body in the front face of which are radially guided at least two gripping jaws that can be brought together or separated by drive means by the axial withdrawal or advance of an intern... | 08/23/1994 |
| 5184833 | Power chuck A power chuck includes a body, a plurality of work engaging jaws, a plurality of rocker arms carrying the jaws, and a plurality of swivel mountings connecting the rocker arms to the body. The power chuck also includes a plurality of slide members connecte... | 02/09/1993 |
| 4969654 | Clamping chuck for a machine tool The invention relates to a clamping chuck. The clamping parts of the jaws are connected to support pieces sliding radially inside the body by means of bolts sliding axially inside these support pieces and provided with teeth. An axially sliding operating ... | 11/13/1990 |
| 4763401 | Automatic tool-changing device for industrial robots An automatic tool-changing device for industrial robots includes a gripper member located at the end of the robot arm and a coupling flange to which a tool is fixed. The gripper member has radially-movable engagement teeth adapted for insertion in project... | 08/16/1988 |
| 4700957 | Power-operated chuck A power-operated chuck that is provided with a plurality of clamping jaws that are disposed in a chuck body in such a way as to be radially movable. The radial clamping movement of the clamping jaws is produced by a gear mechanism disposed in the chuck bo... | 10/20/1987 |
| 4685687 | Workholder A workholder for a machine tool or the like having a power assembly and a work gripping assembly that are separable to permit use of a plurality of work gripping assemblies and associated work gripping jaws of a size and shape to accommodate different wor... | 08/11/1987 |
| 4667970 | Long-stroke high-force chuck Chuck provides for each jaw an action bar extending substantially longitudinally of the chuck axis and rockable in an action plane radiating from the chuck axis and intersecting the jaw, and a pair of first and second slides for each action bar, with said... | 05/26/1987 |
| 4647051 | Support for a chuck A system for holding workpieces during machining utilizes a support chuck which may be mounted on a machine tool such as a lathe or it may be mounted on a support adjacent the machine tool such as a turnaround or carrousel. The invention utilized an adapt... | 03/03/1987 |
| 4631987 | Power tongs A power tong having a frame with an open throat at one end and a pipe gripping mechanism situated for rotation within the frame, carrying three pipe gripping dies about equally spaced around the longitudinal axis of the pipe. Only one of the pipe gripping... | 12/30/1986 |
| 4624466 | Rotary chuck A rotary chuck having a plurality of clamping elements for clamping a respective workpiece. The clamping elements are interchangeable for adaptation of different dimensions of the workpieces, and can be actuated by a force operation via a direction-changi... | 11/25/1986 |
| 4550922 | Workholder A workholder for a machine tool or the like having a power assembly and a work gripping assembly that are separable to permit use of a plurality of work gripping assemblies and associated work gripping jaws of a size and shape to accommodate different wor... | 11/05/1985 |
| 4506896 | Chucks 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 |
| 4497499 | Double-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 |
| 4482162 | Automatic chuck for workpieces A chuck for a workpiece comprising an annular piston housed in the main body of the chuck, an annular adjusting member supported on a cylindrical rod portion integral with the piston and movable only radially thereof, and three clamp levers pivotably moun... | 11/13/1984 |
| 4482163 | Spindle powered adjustable chuck A spindle powered adjustable chuck for forcefully gripping a workpiece capable of automatically adjusting gripping diameter comprising a support frame having a plurality of radially oriented jaw receiving compartments, jaws displaceable within the jaw rec... | 11/13/1984 |
| 4437675 | Chuck with centrifugal force compensation A centrifugal force compensated chuck (12) using a moderately sized counterweight (60) and force multiplication to achieve proper compensation. Each counterbalance assembly includes a pair of levers (32, 40) pivotable about a common axis (34). One of the ... | 03/20/1984 |
| 4422655 | Chuck 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 |
| 4387905 | Machine 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 |
| 4355816 | Double acting internal diameter gripping chucks A chuck is disclosed for gripping an annular workpiece by jaws clamping against the inside wall of the workpiece. The jaws extend axially of the chuck and are rocked between clamping and release positions by levers which contact the radially outer face of... | 10/26/1982 |
| 4321845 | Bar puller for numerically controlled lathe An automatic bar puller for a numerically controlled turret lathe, the puller being mounted on one station of the turret and have a detent actuated jaw that grips the end of a chuck mounted workpiece on triggering of a contact stop on the puller by the wo... | 03/30/1982 |
| 4281535 | Cylinder gripping apparatus A cylinder gripping apparatus having a jaw, a body and a floating interfacing assembly having a curved surface bearing against an opposing surface or groove, the interfacing assembly being operable to generate a proportional gripping force in response to ... | 08/04/1981 |
| 4236722 | Double 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 |
| 4177914 | Rotary internal pipe clamp apparatus Rotary internal pipe clamp apparatus for use in welding pipes together end to end, said apparatus having a first set of circularly spaced pipe engagement elements for disposition within the end of one section of pipe, and having a second set of circularly... | 12/11/1979 |
| 4139206 | High speed chuck A high speed chuck includes a body having a central axis around which it is rotated. The chuck also includes at least one master jaw for gripping a workpiece and a jaw operating mechanism. A jaw locking mechanism includes a wedge aligned transversely to a... | 02/13/1979 |
| 4103915 | Centering clamping device Six clamping jaws are uniformly spaced in a housing. The jaws are arranged on guideways for reciprocation toward and away from the center of the housing. Adjacent jaws are interconnected by driving trains, forming three groups of symmetrically arranged pa... | 08/01/1978 |
