Abstract: The present invention relates to a locking device 1 having a deadbolt 104 within a casing 102, which deadbolt 104 is movable between an advanced position wherein it protrudes from a front face of the casing 102 and a retreated position, wherein it is retracted into the casing 102. The locking device 1 comprises: a link plate 130 which moves the deadbolt 104 to the advanced position; a deadbolt blocking member 110 which is moveable between a blocking position blocking the deadbolt 104 in the advanced position and an unblocking position to allow the deadbolt 104 to move to the retreated position; an electrically driven actuator unit 120 which moves the deadbolt blocking member 110 between the blocking position and the unblocking position; and a control circuit configured to control the electrically driven actuator unit 120 so that once the deadbolt 104 is moved to the advanced position, the deadbolt blocking member 110 is moved to the blocking position by actuation of the electrically driven actuator unit 120.

Abstract: A housing and flange assembly arrangement for a breast pump system including or involving a flange having transparent and other structure for facilitating alignment of the breast pump on a breast, and includes structure facilitating ease of assembly of a housing for the breast pump. In one particular aspect, the system includes structure to visualize milk flow.

Abstract: Overheating of the rollers in a track on mobile equipment can result in failure of the track. Accordingly, embodiments are disclosed for a temperature monitoring device that can be installed within an oil fill hole of each roller. Each temperature monitoring device may monitor the oil temperature within a respective roller, and communicate that oil temperature or other temperature indication to a controller. The controller may alert a human operator or another system when the temperature of a roller exceeds a predefined threshold that is indicative of overheating.

Abstract: A roller mounting assembly for a ground-engaging track system includes a frame, and a roller block coupled to the frame and including a shaft support surface extending through the roller block. The roller mounting assembly further includes a damper resiliently deformable, relative to the roller block, to dampen loads transmitted between the roller block and the frame. Embodiments of a roller block assembly and a damping shim assembly are also disclosed.

Abstract: An indicator apparatus includes a mount unit configured to be secured to a vehicle, a first pivotal arm assembly having a first indicator assembly with a first indicator bordered by a frame unit and first hinge unit configured to move the first indicator from a retracted position to a deployed position, a first drive unit operably linked the first pivotal arm assembly to move the first indicator between respective positions, and a lighting assembly having serially aligned light elements disposed along a peripheral portion of at least one of the first indicator assembly and the first hinge unit and a control unit in operable communication with the flight elements. The hinge unit includes an arm to which the first indicator is affixed and along which a portion of the light elements are disposed.

Abstract: A system for bone fusion incudes an implant configured to be attached to two bone portions; an insertion handle attached to the implant by a threaded drill guide and including a stability screw trajectory guide portion and an implant screw guide portion; and a stability screw configured to pass through the stability screw trajectory guide portion and into the two bones.

Abstract: A photoionization detector sensor equipped with a temperature compensating and output adjustable ultraviolet lamp driver for supplying an alternating current signal to the ultraviolet lamp effective to light the ultraviolet lamp with direct current supplied from both a first variable voltage supply circuit and a second temperature sensitive fixed voltage supply circuit, and method of standardizing output of the photoionization detector sensor by adjusting the voltage supplied to the driver by the first variable voltage supply circuit so that future reported values will more closely approximate actual values.

Abstract: A ground-engaging track system includes a center tread idler having an inner surface defining an idler axis of rotation, and an outer tread surface. The ground-engaging track system further includes a track contacted by the idler between parallel track chains and defining a track pitch dimension. The outer tread surface defines an outer diameter dimension, and a ratio of the track pitch dimension to the outer diameter dimension is between 28% and 37%. The outer diameter dimension may be one of the outer diameters of Table 1. The idler and track contact during service at fixed bushing-idler contact locations so as to bias wearing away material of the idler to form pockets imparting a sprocketed configuration to the idler during service.

Abstract: An indicator arm apparatus includes a mount unit configured to be secured to a vehicle, a first pivotal arm assembly having a first indicator and first hinge unit configured to move the first indicator from a retracted position to a deployed position, a second pivotal arm assembly having a second indicator and second hinge unit configured to move the second indicator from a stored position to an extended position, a first drive unit operably linked to at least one of the pivotal arm assemblies to move the respective indicator between respective positions, and a control unit in operable communication with the first drive unit to provide signals to selectively move at least one indicator. Each hinge unit comprises a pivotally affixed portion that is also affixed to an indicator to pivot the indicator between respective positions.

Abstract: A housing and flange assembly arrangement for a breast pump system including or involving a flange having transparent and other structure for facilitating alignment of the breast pump on a breast, and includes structure facilitating ease of assembly of a housing for the breast pump.

Abstract: A track roller includes a roller shell, a roller shaft extending through the roller shell, and a collar. The collar includes a center body interference-fitted upon the roller shaft, and a seal carrier. A clearance extends radially between a center body outer surface and a face seal assembly held in axial compression between the seal carrier and the roller shell. An oil void is formed in the center body and fluidly connected to the clearance to provide an increased oil volume for lubrication and heat-dissipation.

Abstract: A safety device deployment apparatus includes a housing, a hinge plate pivotally affixed to the housing to pivot around a pin, an actuator linkage assembly having an actuator including a piston, and a crankshaft affixed to the piston through at least a revolute joint and affixed to one of the pin, the hinge plate, and the safety device. The safety device deployment apparatus moves a safety device between a stowed parallel and deployed perpendicular position, relative to the housing, based on extension and retraction of the piston of the actuator. The revolute joint between the piston and crankshaft is disposed in planes on opposite sides of a parallel plane passing through the pin joint based on the extension and retraction of the piston.

Abstract: Overheating of the rollers in a track on mobile equipment can result in failure of the track. Accordingly, embodiments are disclosed for a temperature monitoring device that can be installed within an oil fill hole of each roller. Each temperature monitoring device may monitor the oil temperature within a respective roller, and communicate that oil temperature or other temperature indication to a controller. The controller may alert a human operator or another system when the temperature of a roller exceeds a predefined threshold that is indicative of overheating.

Abstract: A photoionization detector comprised of a sensor having at least a collector electrode and a grounding electrode, a gas discharge lamp that ionizes molecules of interest to create ionized molecules and electrons, and an amplifier connected to the collector electrode. Each of the collector electrode and the grounding electrode include a feed-thru pin, an inner trace surrounding the feed-thru pin, an outer trace surrounding the inner trace, wherein the outer trace on each electrode is comprised of the same material, a channel between the inner trace and the outer trace, wherein the channel is comprised of a different material than the outer trace and the inner trace, and a bridge connecting the outer trace with the inner trace. The ionized molecules are collectable by a bias electrode and electrons are collectable by the collector electrode.

Abstract: A reloadable, reusable, downhole interlocking gun and perforation system having two interlocking bodies that each include multiple receivers and barrels. The interlocking bodies are configured to interlock together with each other so that a receiver of one of the interlocking bodies is aligned with a corresponding barrel of the other of the interlocking bodies. Each of the receivers is configured to receive a respective projectile for firing out of the barrel that is aligned with the receiver.

Abstract: A photoionization detector sensor equipped with a temperature compensating and output adjustable ultraviolet lamp driver for supplying an alternating current signal to the ultraviolet lamp effective to light the ultraviolet lamp with direct current supplied from both a first variable voltage supply circuit and a second temperature sensitive fixed voltage supply circuit, and method of standardizing output of the photoionization detector sensor by adjusting the voltage supplied to the driver by the first variable voltage supply circuit so that future reported values will more closely approximate actual values.

Abstract: A photoionization detector sensor equipped with an adjustable gain amplifier, and method of standardizing output of the photoionization detector sensor by adjusting the gain so that an actual test value expected to produce a known anticipated value matches the anticipated value.

Abstract: A photoionization detector comprised of a sensor having at least a collector electrode and a grounding electrode, a gas discharge lamp that ionizes molecules of interest to create ionized molecules and electrons, and an amplifier connected to the collector electrode. Each of the collector electrode and the grounding electrode include a feed-thru pin, an inner trace surrounding the feed-thru pin, an outer trace surrounding the inner trace, wherein the outer trace on each electrode is comprised of the same material, a channel between the inner trace and the outer trace, wherein the channel is comprised of a different material than the outer trace and the inner trace, and a bridge connecting the outer trace with the inner trace. The ionized molecules are collectable by a bias electrode and electrons are collectable by the collector electrode.

Abstract: An indicator arm apparatus includes a mount unit configured to be secured to a vehicle, a first pivotal arm assembly having a first indicator and first hinge unit configured to move the first indicator from a retracted position to a deployed position, a second pivotal arm assembly having a second indicator and second hinge unit configured to move the second indicator from a stored position to an extended position, a first drive unit operably linked to at least one of the pivotal arm assemblies to move the respective indicator between respective positions, and a control unit in operable communication with the first drive unit to provide signals to selectively move at least one indicator. Each hinge unit comprises a pivotally affixed portion that is also affixed to an indicator to pivot the indicator between respective positions.

Abstract: The present invention relates to a locking device 1 having a deadbolt 104 within a casing 102, which deadbolt 104 is movable between an advanced position wherein it protrudes from a front face of the casing 102 and a retreated position, wherein it is retracted into the casing 102. The locking device 1 comprises: a link plate 130 which moves the deadbolt 104 to the advanced position; a deadbolt blocking member 110 which is moveable between a blocking position blocking the deadbolt 104 in the advanced position and an unblocking position to allow the deadbolt 104 to move to the retreated position; an electrically driven actuator unit 120 which moves the deadbolt blocking member 110 between the blocking position and the unblocking position; and a control circuit configured to control the electrically driven actuator unit 120 so that once the deadbolt 104 is moved to the advanced position, the deadbolt blocking member 110 is moved to the blocking position by actuation of the electrically driven actuator unit 120.