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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7434490 | Turning drive apparatus for model, and slip gear apparatus In a turning drive apparatus (10) for turning a movable portion (3) of a model (1) by transmitting power from a drive source to the movable portion (3) through a gear train (11), a pair of gears (16, 17) included in the gear... | 10/14/2008 |
| 7331252 | Braking system This braking system (S) is adapted to be used with a mechanism having one or several turning members (34), and comprises a toothed wheel (6), connected in rotation with at least one turning member (34) to be braked, and an endless screw (8 | 02/19/2008 |
| 7201430 | Driving device for driving an open/close member A driving device for driving an open/close member that is designed to open and close an open portion of a body includes a driving source generating a driving force, a force transmission mechanism disposed between the driving source and the open/close member and serv... | 04/10/2007 |
| 6928895 | Ballscrew locking nut A ballnut assembly is provided in which a locknut (20), which is normally unloaded becomes loaded in the event of failure of a primary load path. This loading causes relative motion between locking nut (24) and the threads of a shaft (8) such th... | 08/16/2005 |
| 6450056 | Motor having speed reduction device In a motor having a motor body and a speed reduction devise composed of gear housing, a worm wheel, worm shaft with a worm, and first and second bearings rotatably supporting the worm shaft on opposite sides of the worm, the first bearing on a side of the... | 09/17/2002 |
| 6389917 | Safety device for a gear A safety device for a gear unit driven by a drive mechanism has a rated breaking point. A silent ratchet is also provided, with which a gear part on the power takeoff side that is severed upon a separation of the rated breaking point can be firmly clamped... | 05/21/2002 |
| 6079442 | Valve actuator There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in res... | 06/27/2000 |
| 6003837 | Valve actuator There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in res... | 12/21/1999 |
| 5819871 | Electric power steering device A torque is transmitted from a steering assistance motor to a steering shaft via a gear. The first rotation restraining element, which is radially deformed by being sandwiched between the outer circumference of the steering shaft and the inner circumferen... | 10/13/1998 |
| 5488879 | Passive overload disconnect mechanism for actuation systems A passive disconnection mechanism for use in a multiple-motor actuation system. The mechanism disengages a failed motor from the remainder of the system to preserve system operability.... | 02/06/1996 |
| 5284325 | Hoist with load shifted gear, detector, and motor speed changer An electric hoist comprising an electric motor and a sheave driven by the electric motor via a reduction gear. The reduction gear comprises a pair of helical gears meshing with each other. One of the helical gears is axially movably arranged on a shaft an... | 02/08/1994 |
| 5253573 | Safety device for limiting the axial load exerted on a drive worm A safety device for limiting axial operating loads which are exerted on a drive worm of a machine, such as a platen press, including a pressure chamber receiving a first piston connected to an auxiliary shaft, which is axially shiftable and non-rotatable,... | 10/19/1993 |
| 5246095 | Output torque sensor and control apparatus An output torque sensing and limiting mechanism, for preventing the continued application of torque to a load when the torque exceeds a selected value. The mechanism is positioned at the end of a gear train, meshed with the final gear and adapted to trans... | 09/21/1993 |
| 5062765 | High tower wind generating system A more efficient wind power generation system is afforded by extending tower heights to several hundred meters to operate wind catching rotors and generators aligned with the wind direction at various levels along the tower. With multiple vertically casca... | 11/05/1991 |
| 4919236 | Screw lift A screw lift comprises a lift car (2) which is movably supported on an upright fixed screw (4) and carries a nut (54) in engagement with the screw and a belt drive for rotating the nut on the screw and thereby driving of the lift car along the screw. The ... | 04/24/1990 |
| 4881421 | Drive with overload safety coupling A mechanical drive, especially a stepping drive which can be driven by a drive shaft (14) for the conversion of a rotary drive movement to an output rotary movement which follows a given law of movement and can be taken from an output shaft (16), is provi... | 11/21/1989 |
| 4858481 | Position controlled linear actuator A linear actuator includes an electric drive motor which is connected to a drive screw through a gear train. Rotation of the drive screw causes the drive nut to move axially in order to impart axial motion to an extension member. Limit switches function t... | 08/22/1989 |
| 4763768 | Overload protection A bi-directionally effective overload protection device for a rotation machine part includes two coaxially arranged, mutually juxtaposed ring discs frictionally connected to a machine; a gear disc with outer gearing and inwardly directed flange means circ... | 08/16/1988 |
| 4751988 | Torque limiting and overtravel stop device To provide a torque limiting and overtravel stop device for aircraft actuation systems, where the overtravel stop is lightweight, bi-directional, repeatable and on-jamming, and allows for many revolutions of rotation between each end stop, the device incl... | 06/21/1988 |
| 4727762 | Driving force support for linear actuator This improved driving force support is used in a linear actuator in which rotary motion of a rotating screw shaft is converted to linear motion of a travelling nut. The driving force support comprises a pair of springs surrounding the rotating shaft and h... | 03/01/1988 |
| 4715567 | System for coupling two flaps of an aircraft wing, and an aircraft wing equipped with such a system A system for coupling together two flaps of an aircraft wing, which flaps are adjacent and are situated at least substantially in the extension of each other. Each flap has its own pivoting and drive means. The system includes a mechanical coupling which ... | 12/29/1987 |
| 4712441 | Position controlled linear actuator A linear actuator includes an electric drive motor which is connected to a drive screw through a gear train. Rotation of the drive screw causes a drive nut to move axially in order to impart axial motion to an extension member. Limit switches function to ... | 12/15/1987 |
| 4702122 | Bi-directional advance gear having a torque limiting clutch A bi-directional advance gear having a torque limiting radial friction clutch is disclosed. The friction clutch comprises an annular member having an inner and outer periphery and having gear teeth defined by its outer periphery and radially inwardly proj... | 10/27/1987 |
| 4674347 | Torsional vibration absorbing system for vehicular power transmission A torsional vibration absorbing device for a transmission, such as manual shift automotive transmission, wherein a friction clutch is provided on the output shaft within the transmission. One set of springs apply a constant resilient force to the friction... | 06/23/1987 |
| 4670679 | Adjusting device with overload slip system An adjusting device with an overload slip system and a slip-independent position indicator includes a driving system and an adjusting member movable by the driving system between two end stops. The driving system includes an electric motor housed in a hou... | 06/02/1987 |
| 4666026 | Drive mechanism A drive mechanism comprises a support upon which a drive member is mounted for movement relative to a frame. The drive member comprises first and second elements which are relatively movable, the one of which may be mounted on the other. The elements are ... | 05/19/1987 |
| 4652249 | Clutch for a quill feed mechanism In a milling machine, a quill power feed mechanism is provided an adjustable overload slip clutch capable of feeding the quill completely to a pre-set micrometer quill stop during a drilling or boring operation. The improved slip clutch includes an overlo... | 03/24/1987 |
| 4644810 | Conical drive Conical drives for changing the speed of an output shaft relative to an input shaft include a conical coupling between the output shaft and a conical driving member within the drive. The output and input shafts are aligned with a first axis and the conica... | 02/24/1987 |
| 4644811 | Termination load carrying device A follower nut assembly is attached to a load carrying nut all of which is threaded onto a ball screw of a drive actuator. The actuator drive causes a load attached to said load carrying nut to be translated to a fully extended position. At about the full... | 02/24/1987 |
| 4640051 | Adjustment mechanism for tiltable glazed sashes The mechanism of the invention can be mounted on and in contact with a frame. A spindle (2) is disposed within a shallow strip-like housing (1) parallel to an edge of a glazed sash of a window or door and a slider (3) displaceable on rotation of the spind... | 02/03/1987 |
| 4635491 | Fail-safe motor-driven cylinder for lifting apparatus A motor-driven cylinder for lifting apparatus has screw means including intermeshed internally and externally threaded screw means by which a load can be moved upwardly and downwardly by the torque of a motor, the motor-driven cylinder including torque tr... | 01/13/1987 |
| 4589296 | Power transmission mechanism A power transmission system having a resilient buffer to prevent generation and transmission of vibrations between gears below a predetermined rotational speed. A plate is mounted for relative circular movement on a driven gear and contains buffer springs... | 05/20/1986 |
| 4500072 | Low profile jack construction A mechanical jack construction is provided comprising a load-bearing rack which is adapted to be moved in the vertical plane by an engaging pinion. The pinion is connected to a lever-driven ratchet wheel by means of shear pins. Application of an excessive... | 02/19/1985 |
| 4487270 | Electric tool, particularly a handtool, with torque control A power tool has an electric motor with a motor shaft having a spiral gear through which the motor drives the tool. A pressure sensor is disposed so as to be subjected to the axial thrust of the motor shaft created by the spiral gear during operation of t... | 12/11/1984 |
| 4459867 | Resettable force limiting device This invention relates to a resettable force limiting assembly of the ball and screw type employed in a flight control actuation system. The resettable force limiting assembly includes a force transmitting reciprocating output member drivingly carried by ... | 07/17/1984 |
| 4452095 | Overload protection for metal forming machine A metal forming machine for forming articles from metal workpieces has a plurality of driven members for performing work on the metal workpieces. A drive shaft is connected with the driven members for transferring force to the driven members. A frangible ... | 06/05/1984 |
| 4428249 | Gear torque sensor apparatus In a processor of photosensitive material, a torque sensor actuates an alarm when a helical gear is subjected to torque in excess of a first predetermined value. The torque sensor includes a helical gear positioned on a shaft and biased against a stop. Th... | 01/31/1984 |
| 4365962 | Safety clutch for power-operated hand-held tool In a motor operated hand-held tool, such as a hammer drill, a drive train transmits driving force from a motor to a drive spindle. The drive train includes a safety clutch positioned on a shaft for interrupting the transmission of driving force if a torqu... | 12/28/1982 |
| 4354850 | Gear clutch A gear clutch comprises an annular clutch casing with a plurality of internal teeth and a clutch hub having a plurality of external teeth meshed with the internal teeth. The clutch is coaxial with the clutch casing and the external teeth have a load beari... | 10/19/1982 |
| 4353263 | Power transmission mechanism A novel mechanical power coupling means employable with a novel material compacting apparatus and utilizing either reciprocal or continuous drive inputs with the coupling means. In the preferred compacting apparatus embodiment a reciprocal drive is used s... | 10/12/1982 |
