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| Number | Title | Issue Date |
| 7360635 | Anti-pinch system An anti-pinch system of a vehicle closure includes a detection system for detecting pinching and a clutch to disconnect the vehicle closure from a closure driving mechanism following detection of pinching by the detection system. The closure drive mechanism can be d... | 04/22/2008 |
| 7334670 | Torque vectoring differential for controlling vehicle stability A magnetorheological (MR) fluid coupling for vectoring torque with respect to a shaft capable of rotary motion is disclosed. The coupling includes a stator, a rotor having a rotational degree of freedom with respect to the stator and configured for physical communic... | 02/26/2008 |
| 7310988 | Drive device for a mechanical press The invention provides a drive device for a mechanical press with a two-step speed reduction mechanism for driving a slide of the mechanical press and includes a drive pinion provided concentrically with a crankshaft, a main gear mounted on said crankshaft, intermed... | 12/25/2007 |
| 7296670 | Disconnect mechanism and devices including such a disconnect mechanism A disconnect mechanism is provided which, upon a suitable trigger event, such as excess temperature causes a camming element 40 having a tapered head 52 to move under the urging of a compression spring 60 such that the tapered head 52 bec... | 11/20/2007 |
| 7197969 | Logic control with test mode for fast-acting safety system Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to per... | 04/03/2007 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 6994199 | Load torque blocking device The invention concerns a load torque lock for automatically locking load-side torques in the case of a decrease or cessation of a drive-side torque having a housing (11) fixed to a frame, a locking ring (17) permanently connected to it and a locking bo... | 02/07/2006 |
| 6669072 | Flywheel operated nailer Disclosed and taught is a novel drive mechanism for a cyclic operating tool employing an energized flywheel to provide the necessary energy to perform a working cycle. The drive mechanism disclosed is particularly useful in hand tool applications such as ... | 12/30/2003 |
| 6575088 | Press lock A press with a press lock includes a press frame, a press ram slidably connected with the press frame, a rack fixedly connected with the frame, a pinion block connected with the ram, a pinion actuator operatively interconnected between the ram and the pin... | 06/10/2003 |
| 6053099 | Flywheel engaged pump/motor A system for use in a press machine includes a drive assembly in the form of a pinion gear that selectively engages the flywheel to enable operative driving rotation of the pinion gear by the flywheel. A load system in the form of a hydraulic pump is arra... | 04/25/2000 |
| 5988342 | Braking device of a linear motor table The present invention provides a braking device of a linear motor table which can stop in a fixed state of the table when the electrical feed is cut off. A braking device 11 is installed, which comprises: a shaft 12 extending in the direction of movement ... | 11/23/1999 |
| 5765668 | Fall protection device for actuators A drop protection device for actuator devices of the type which are intended to raise and lower a load. The drop protection device includes a sleeve shaped member which, during normal operation of the actuator rotates along with a threaded spindle of the ... | 06/16/1998 |
| 5579878 | Bi-directional clutch type chain pulling device for rolling doors A bi-directional clutch type chain pulling device for rolling doors for releasing the brake and rolling the door up by pulling the chain at an arbitrary direction has a chain sprocket which can be pulled by external force and which is pivoted thereon with... | 12/03/1996 |
| 5540042 | Open-end spinning device The spinning rotor of an open-end spinning device is supported by means of a rotor shaft in the nip of at least one pair of supporting disks and can be driven by means of a tangential belt. A change-over device with a pressure roller is provided to press ... | 07/30/1996 |
| 5405216 | Finishing trowel pitch control and clutch system An automatic, self locking clutch system effectuates blade pitch control on concrete finishing trowels. The clutch instantly releases upon the touch of the operator. A trowel has a downwardly projecting, motor-driven rotor comprising a plurality of radial... | 04/11/1995 |
| 5044478 | Foot pedal operated positioning control A foot pedal operated control positioning device for a continuously variable transmission wherein a movable bushing is aligned with a preset stop in order to set the transmission into a known neutral condition.... | 09/03/1991 |
| 4643290 | Bi-directional overtravel stop Rotational overtravel stops are often crucial components of actuators used in environments where not only cost but also power requirements, reliability, weight, size and simplicity are important. A bi-directional overtravel stop for a rotatable actuator s... | 02/17/1987 |
| 4607732 | Drive mechanism for a mechanical press In a crank or eccentric press a main shaft is rotatably supported over a reciprocating ram or rams. Nonrotatably mounted on one end of the main shaft, a drive gear meshes directly with a drive pinion on a drive shaft which partly projects out of one side ... | 08/26/1986 |
| 4582183 | Sliding displacement detecting apparatus In a disclosed displacement detecting apparatus, a nut member retains a plurality of balls to circulate therein while in engagement with a helical groove of a screw shaft. The nut member is unrotatable and linearly movable, and the screw shaft is rotatabl... | 04/15/1986 |
| 4580674 | Control arrangement for the actuating pressure applied to a clutch and/or brake of a mechanical press A control arrangement for a clutch and/or brake of a press, with the control arrangement including at least one of a clutch cylinder piston unit and a brake cylinder piston unit which opposes braking forces until a desired rotational speed is reached. The... | 04/08/1986 |
| 4579201 | Bidirectional, torque-limiting, no-back clutch mechanism The bidirectional, torque-limiting, drive and brake mechanism has an input and output drive shafts and a helical spring which is normally in interference fit with the mechanism housing and, in the torque transmitting mode of operation, is disengaged to pe... | 04/01/1986 |
| 4576262 | Method and apparatus for operating a magnetic clutch The method and apparatus are used for operating a magnetic clutch system of the type which includes a magnetic clutch having a clutch magnetizing coil which can be actuated to couple a first rotatable element to a second rotatable element when voltage is ... | 03/18/1986 |
| 4298107 | Brake system for a textile machine The braking system for the textile machine is provided with a multiplicity of brake elements which are individually controlled via a common control means. Each brake has a different braking characteristic from the other so that the machine components or a... | 11/03/1981 |
| 4269293 | Engine accessory disconnect A disconnect for disengaging an accessory rotor from a driving engine and quickly decelerating the accessory rotor to a stop.... | 05/26/1981 |
| 4226311 | Rotary drive disc brake for drawworks A disc-type brake apparatus adapted for installation in combination with the drawworks of a well bore drilling operation for automatically sensing any reverse torque situation in the drill pipe and quickly set the brake for precluding transmission of any ... | 10/07/1980 |
| 4161649 | Multimode electronic brake monitor system A multimode electronic brake monitor system for use with power driven machinery having an absolute shaft encoder input for determining the position of a rotating or reciprocating member of the machinery, wherein both upstroke and downstroke preset allowab... | 07/17/1979 |
| 4048886 | Brake monitor with self-checking A monitoring system is disclosed for measuring and classifying the decelerating capabilities of a machine, such as a punch press. The monitoring system includes a timing circuit for measuring the elapsed time from the initiation of brake application to th... | 09/20/1977 |
| 4042193 | Safety device for aircraft doors or hatches A door or hatch operating mechanism is blocked by a bolt when the aircraft moves in that dynamic pressure is sensed by a spring biased displaceable large piston moving a small piston which acts on a hydraulic link acting, in turn, on another spring biased... | 08/16/1977 |
| 3992991 | Non-rotating handwheel A rotary duplicator includes a handwheel for manually moving the cylinders to insert and remove masters, to make adjustments, etc. To minimize risk to the operator when the machine is running, there is provided a means for disconnecting the handwheel auto... | 11/23/1976 |
| 3958753 | Air driven centrifuge An air driven centrifuge including a rotor chamber having a rotor seat mounted in the bottom thereof and including a rotor having a plurality of turbine flutes formed in an under side thereof. The rotor seat includes driving air jet means for impinging pr... | 05/25/1976 |
