Abstract: A fixation component includes tines extending from a base portion of the fixation component. Each tine is elastically deformable between a pre-set position and an open position. Each tine includes a hook segment extending from a proximal end near the base portion to a distal end. Each tine also includes a distal segment extending from the distal end of the hook segment to a tissue-piercing tip. When positioned in the pre-set position, the hook segment extends along a pre-set curvature that encloses an angle between 135 degrees and 270 degrees, and the distal segment extends away from a longitudinal axis of the fixation component.

Abstract: This invention is a scanning array for sequentially converting portions of an image of a document into digital format, a print head for sequentially printing those portions of the image onto a receiving means, logic circuitry interconnecting the scanning array and the print head, and a stepper motor connected to the scanning array and the print head to step the scanning array in a first direction while at the same time stepping the print head in a second direction. Control circuitry is also provided to enable the scanning array to scan in the first direction asynchronously with the print head printing the image in the second direction. A second stepper motor is included to index the copy sheet past the scanning array and the print head.

Abstract: A fluid pump control for a tractor having a fluid pump controlled by an operator's handle connected to the pump by force-responsive members which do not transmit the pump vibration to the handle. The control is for a tractor transmission driven through a variable displacement pump which inherently develops vibrations. The handle is a pivotally mounted lever and the connections between the handle and the pump are four cables, and two intervening compression springs, all for transmitting the force on the lever to the pump while avoiding transmitting the pump vibrations back to the lever. The springs also are arranged with the cables to automatically return the pump to a neutral position when the operator releases hand force on the lever.

Abstract: A hand control system for a tractor having several controllable units such as hydraulic and brake units. A tubular member is rotatably mounted about its longitudinal axis and it connects to one of the units for actuating the same, and a member is pivotally mounted on the tubular member and has a handle thereon which connects to a linkage extending partly through the tubular member and connects to another of the units for operating same. The tubular member can be rotated to actuate its connected unit, without requiring actuation of the handle, and, conversely, the handle can be actuated to move its linkage and actuate its connected unit, without moving the tubular member and its unit. Also, another tractor unit, such as a brake, is connected into the system such that when the one member is pivoted upwardly on the tubular member the handle is placed in an inoperative position and the brake is automatically operated, as desired.

Abstract: A reverse linkage loader bucket arm with an enclosed cylinder assembly and wherein a loader bucket is pivotally mounted on the arm and the cylinder assembly induces the pivotal action. The lift or support arm for the bucket is hollow along its longitudinal axis and the cylinder assembly is mounted within the hollow arm and projects through an open end thereof to pivotally connect with the bucket and the point of pivotal connection is to the side of the pivotal connection of the arm in the bucket away from the bucket. The cylinder fluid lines are also disposed within the hollow boom or lift arm, and thus the cylinder assembly and the lines or hoses are enclosed and thereby protected and arranged for reverse linkage connection relative to the arm and the bucket.

Abstract: A quick attachment device for a tractor which has lift arms for supporting an implement, such as a loader bucket, lift fork, or the like. The rear side of the implement has two spaced-apart attaching portions in the form of hooks faced toward each other, and an attachment plate is held by the tractor lift arms and the lower edge is first positioned into the lower implement hook and then the plate is slid upwardly until the upper edge is engaged in the implement upper hook. A spring-loaded pin then automatically falls into a hole in the implement to secure the plate relative to the implement and thus attach the implement and plate together. A release cam is attached to the pin for withdrawing the pin and the attachment plate can then be manuevered out of the implement hooks to be removed from the implement when release is desired.

Abstract: A photoreceptor dark current leakage detecting device for use in determining the temperature induced current leakage of photoreceptors. The device as aforesaid comprises a miniature copy of, or segment from a photoreceptor class with electrical leads attached thereto and by means of which a reference bias can be applied thereacross. A current sensing meter introduced in circuit with the device measures current leakage. In a second embodiment, output from the device controls the operating bias on one or more of the components of an electrostatic reproduction machine to compensate for changes in photoreceptor current leakage.

Abstract: A copier or reproduction machine of the type having a photoconductive plate, corona generating means to charge the plate in preparation for imaging thereof, exposure means to expose the charged plate to a light image of the original being copied, developer means to apply developing material to the electrostatic image, and transfer means for transferring the developed image to a support material, i.e., a copy sheet.To enable the electrostatic development field between the photoconductive plate and the developer section to be controlled and thereby enhance development, an automatic potential controller, which includes an electrometer, is provided. The electrometer includes a probe section arranged to sense voltages on the plate, the electrometer serving to provide a signal reflecting plate potentials. The electrometer signal is used by the controller to automatically adjust the electrostatic development field, as by controlling the voltage bias applied to the developer.

Abstract: Apparatus to enable potentials applied to various operating components of an electrostatic type reproduction machine to be measured by an electrostatic voltmeter. In one embodiment, the apparatus comprises structures designed to place the sensing element of the voltmeter in predetermined spaced relationship with a test plate, the test plate being electrically connectable to the source of potential to be measured. In another embodiment, the apparatus locates the voltmeter sensing element in predetermined spaced relation with both the reproduction machine photoreceptor and the test plate.As a further alternative, a source of calibrating potential is provided for use in calibrating the voltmeter through the test plate.