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48276 results about "Clutch" patented technology

A clutch is a mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft. In the simplest application, clutches connect and disconnect two rotating shafts (drive shafts or line shafts). In these devices, one shaft is typically attached to an engine or other power unit (the driving member) while the other shaft (the driven member) provides output power for work. While typically the motions involved are rotary, linear clutches are also possible.

Powered cutting surface with protective guard for equine teeth

An arrangement that may be used in combination with selected tools having a tooth cutting surface for the care and maintenance such as removing a selected portion of the exposed surface of equine teeth. The selected tool in communication with a source of powered motion and mounted in and supported by a hand piece which is guided into the mouth of the horse. The cutting surface of the powered tool is partially guarded so as to protect fleshy portions of the horse's mouth from being engaged by the cutting surface. The hand piece provides for quick on and off attachment of a selected cutting surface for maintenance of a preselected portion of teeth within the same hand piece or another hand piece sized to ease access to the next selected portion of the horse's mouth. The selected hand piece arrangement may further incorporate a vacuum channel whereby the tooth dust and debris created by the powered cutting surface removing a portion of tooth is sucked out of the mouth of the horse. The motion of the tooth surface removal tool may be changed from rotary to powered reciprocating motion for a selected portion of the teeth or changed to be at a preselected angle. Attaching the powered drive to the rotary cutting surface by means of an adjustable clutch further enhances protection from injury to the inside of the mouth of the horse.

Systems and methods for switching between autonomous and manual operation of a vehicle

Systems and methods for switching between autonomous and manual operation of a vehicle are described. In one embodiment, there is a mechanical control system that receives manual inputs from a mechanical operation member to operate the vehicle in manual mode. There is further an actuator that receives autonomous control signals generated by a controller. When the actuator is engaged, it operates the vehicle in an autonomous mode, and when disengaged, it operates the vehicle in manual mode. In another embodiment, there is an E-Stop system to disengage systems that cause the vehicle to move, such as the engine, while still leaving power in the systems that do not cause the vehicle to move. There is a method for autonomous mode starting of a vehicle, comprising receiving a signal indicating autonomous mode, determining that a parking brake lever is set and the brakes are engaged, disengaging the brakes while maintaining the lever in the set position, and engaging in autonomous mode. There is a safety system with a mechanical bias to suppress moveable systems of the vehicle, comprising a clutch that releases the mechanical bias to permit movement of the moveable system when the clutch is engaged. In another embodiment a system comprises a mechanical linkage with a restoration member that permits control of an operation system of the vehicle by a remote operation member when the restoration member is engaged. There is also an actuator that prohibits control of the operation system by the remote operation member when the actuator is engaged.
Owner:DEERE & CO +1

Ergonomic lift-clicking method and apparatus for actuating home switches on computer input devices

This invention introduces lift-clicking, a gentle method of clicking that utilizes light touch home sensors on the mouse and other computer input devices. It can be used either to replace the prior art depression-type mouse button with a home touch surface and a light touch or proximity sensor, or to add a touch/proximity sensor to an existing mouse button, providing three or more additional functions for each finger. It is a very ergonomic method that uses less force than the weight of the relaxed resting finger. It employs a finger lift, or a finger lift followed by a gentle drop, and utilizes unique combinations of windows, timing, hand presence reference, and logic sequences carefully designed to automatically prevent the production of unwanted clicks when the finger first arrives on or leaves the home sensor as the hand arrives or departs the input device. The initial condition is a finger resting on a touch switch/proximity sensor surface at a home resting position. A function is triggered either by lifting (or sliding) the finger away from its home touch surface (lift-delay-reference mode) or by dropping the finger back to the surface soon after the lift (lift-drop mode). Unwanted clicks do not occur because the function is triggered either by a lift after a very short delay with a requirement for hand presence reference, or by a drop within a time window opened by the previous lift. The gentle lift of the finger followed by a passive drop eliminates the push-down muscle twitch of prior art depression clicking, without any sacrifice of speed. Optionally included are click-inhibiting means so that unwanted clicks are not produced when a finger leaves a home sensor to actuate a non-home switch or scroll device. Momentary lifted modes can be used to enable scrolling with mouse motion, a fine cursor control feature, or to ignore all XY data so that the mouse can be repositioned without lifting it off the desktop and without moving the cursor (disengage clutch feature). Dragging can be accomplished with either the finger held lifted or with the finger resting at home. A single lift-click sensor can be used to trigger two different functions, the function chosen depending on the amount of time between the lift and the drop. The lift-click sensor can be piggybacked together with a prior art mouse button to provide lift-clicking while still allowing depression clicking, greatly increasing the number of triggerable functions. A lift-click sensor can be of a fixed type with no moving parts, (a zero button mouse) allowing the manufacture of pointing devices that are completely solid state, low in cost and sealed from the environment. The lift-click method makes it possible to replace the click buttons on a horizontal mouse with a programmable multi-point XY(Z) multi-functional touchpad which can be used to provide not only lift-clicks, but by toggling to new function sets, can also offer arrow/nudge key functions, page navigation, fine cursor control, and gesturing. Lift-clicking can greatly improve versatility and ease of use in most types of pointing devices.
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