Abstract: A manually-operated sewing machine is provided. The sewing machine includes a manually-operated handle, a needle bar to hold a needle, and a direction control device. The needle bar reciprocates responsive to a reciprocating motion of the manually-operated handle. The direction control device controls lateral movement of the needle bar between forward and reverse directions. The direction control device is movable between a first position that corresponds to the forward direction and a second position that corresponds to the reverse direction.

Abstract: Provided is an axially-limited guide device applied in a parking mechanism. The parking mechanism includes a parking pawl and a parking shift fork that is axially movable. The guide device includes a parking bracket assembly and a guide block. The guide block is configured to be slidably engaged with an execution member at an end of the parking shift fork to allow for a relative rotation of the parking pawl and a rotary shaft. The parking bracket assembly is configured to axially limit the parking pawl and guide the parking shift fork. The parking bracket assembly includes a limiting portion abutting against the guide block. The limiting portion is configured to limit an axial movement of the guide block when the execution member at the end of the parking shift fork is axially disengaged from the guide block. Also provided are a parking mechanism and an automobile.

Abstract: A limiting mechanism is provided, including: a base; a first bearing; a turntable; and a limiting assembly. The base includes a base body and a through hole passing through the base body and having a circle shape. The first bearing is mounted in the through hole and forming a fixing connection with the base body. The turntable includes a turntable body and a shifting lever. The shifting lever rotates to the limiting portion until the limiting portion is pressed against and the limiting portion is driven to move, so that the limiting portion abuts against the limiting surface on the corresponding side to realize limiting. The limiting mechanism not only has fewer actions and has a simple structure, but also occupies a small space, has high reliability, and can reduce generation of noise.

Abstract: A brake module (1) of a wheel module (2) has an anchor plate (20) adjacent to a wheel (10) and is indefinitely rotatable about the steering axis (L) with the wheel (10). A lifting unit (30) is fixed adjacent to the anchor plate (20) and fixed about the steering axis (L). A brake wheel (21) is arranged on the wheel shaft (11) and is rotatable about the wheel axis (R) with the wheel (10). At least one transfer element (22, 22?) extends from the anchor plate (20) towards the brake wheel (21). The lifting unit (30) is configured to move the anchor plate (20) from a first state to a second state. In the first state, the elements (20, 30, 22, 22?) are spaced apart without any contact. In the second state, the at least one transfer element (22, 22?) abuts against the brake wheel (21) generating a brake force at the brake wheel (21).

Abstract: The disclosure provides a baby carriage brake mechanism and a baby carriage. The baby carriage brake mechanism includes a frame, a brake drive assembly, linkage assemblies, brake locks and wheels. The brake drive assembly is disposed on the frame. The linkage assemblies are respectively slidably disposed on the frame on both of left and right sides. Both ends of the brake drive assembly are respectively in abutting connection with the two linkage assemblies. The linkage assemblies are coupled to the brake locks. Two wheels are respectively pivotally disposed at both sides of the frame. By driving the brake drive assembly to push the linkage assemblies to act with the brake locks, the brake locks on both sides are engaged with the wheels, thereby locking the wheels on both sides. Therefore, the baby carriage brake mechanism of the disclosure may brake wheels on both sides simultaneously with simple operation.

Abstract: A positioning device positions a tool holder (12, 14, 16, 18) on a tool turret (6) of a machine tool by positioning pins (10). The positioning pins are secured to the tool turret (6) and engage with receptacles (40) on the tool holder (6) when the tool holder (12, 14, 16, 18) is attached to the tool turret (6). At least one of the receptacles of the tool holder (6) is formed by a sleeve (40), with which the assignable positioning pin (10) engages in the mounted state while contacting the inner circumferential surface (58) of the sleeve (40). The inner circumferential surface (58) is part of an expanding part (56), which, when the pin (10) engages, expands elastically and flexibly away from the pin (10).

Abstract: An improved cargo dolly for transporting cargo is described having a mobile dolly frame, a main shaft on the frame, a lever proximate to a first part of the frame (where the lever is movable relative to the frame and in responsive communication with the main shaft), a first set of transfer sprockets mounted to the main shaft, a secondary shaft rotatably disposed at a second part of the frame (where the first part is remote from the second part), a second set of transfer sprockets mounted to the secondary shaft, a chain disposed about the first set of transfer sprockets and the second set of transfer sprockets, and a locking pin having a first end fixed to the secondary shaft and a second end configured as an angled latch. Rotation of the lever responsively causes the locking pin to remotely rotate at the second part of the frame.

Abstract: A mechanical unlocking mechanism for electronic parking is provided, which comprises a parking cam assembly, a pawl assembly, a pull rod assembly and a parking gear; the parking cam assembly comprises a parking guide shaft and a parking cam, the parking cam is sleeved on the parking guide shaft, at least a first convex part and a second convex part are provided at two sides of the parking cam, and a connecting part is provided on the second convex part; the pull rod assembly is connected with the parking cam via the connecting part, and the pull rod assembly pulls the second convex part to drive the parking cam to rotate; the parking gear can be fixed or rotatable according to the pawl assembly being in a first position where the parking gear parks in or a second position where the parking gear parks out as the parking cam rotates.

Abstract: A mechanical unlocking mechanism for electronic parking is provided, which comprises a parking cam assembly, a pawl assembly, a parking gear, a pull cord assembly and an actuating assembly, wherein the pull cord assembly comprises a pull wire and a guide shaft screw, each of two ends of the pull wire is provided with a pull wire ball head rod, the pull wire ball head rod is connected with an end of the pull wire and is connected with an end hole of the parking guide shaft or the actuating assembly via the guide shaft screw sleeved on the pull wire. The mechanical unlocking mechanism according to the present disclosure provides an emergent mechanical unlocking function when the parking motor is powered off, and the driver can perform manual mechanical unlocking in the cab without getting off the vehicle, so it has high safety and good operation comfort.

Abstract: A compact utility loader compact utility loader comprising a frame including a lower portion and an upper portion. A width of the lower portion is smaller than a width of the upper portion. The compact utility loader additionally comprises a first track and a second track, with each track being positioned on a side of the frame. Each of the tracks has a width of at least 7.5 inches, and the compact utility loader has an overall width of no more than 36 inches.

Abstract: A control mechanism for a lock pawl comprises an electric motor mounted in a housing that is connected with the seat backrest and has an output shaft with a worm gear engaging with the spur gearing of a transmission gear rotary-mounted on a transmission pivot and having on its frontal surface an eccentric selector pivot for controlling the pawl of the lock, swing-mounted on a pawl pivot between a blocking position, in which the pawl blocks a rotary ratchet of the lock from releasing a catch eye connected with the car bodywork, and an unlocking position, in which the pawl releases the rotary ratchet to release the catch eye, the pawl having a radial selector arm, which in the blocking position of the pawl interferes with the circular trajectory of the selector pivot to enable the selector pivot to engage with the selector arm, whereas the pawl has a radial control arm.

Abstract: A park lock roller assembly (10) includes at least one roller (12), a shaft rod (16), and a guide plate (14). The roller (12) is rotably coupled to one of the shaft rod (16). The shaft rod (16) is located within the guide plate (14) for longitudinal movement relative thereto. The park lock roller assembly (10) is pulled towards a pawl (30) to actuate the pawl (30) into locking engagement with a locking gear (38) to reliably lock a vehicle transmission in a parked position.

Abstract: A parking lock has a parking lock housing (20), a locking pawl (12) which has a ratchet (16) that can be locked in a parking lock wheel (56) and a pawl profile (44) arranged on the rear side of the ratchet (16), an actuating unit (24) which acts upon the pawl profile (44) when the parking lock (10) is engaged and thereby rotates the locking pawl (12) about a rotational axis (14) relative to the parking lock housing (20), and a supporting element (18), on which the actuating unit (24) is supported in the engaged state (P) and in the disengaged state (nP) of the parking lock (10) at different positions. The supporting element (18) is connected to the parking lock housing (20) so as to have play.

Abstract: An improved cargo dolly for transporting cargo is described having a mobile dolly frame, a main shaft on the frame, a lever proximate to a first part of the frame (where the lever is movable relative to the frame and in responsive communication with the main shaft), a first set of transfer sprockets mounted to the main shaft, a secondary shaft rotatably disposed at a second part of the frame (where the first part is remote from the second part), a second set of transfer sprockets mounted to the secondary shaft, a chain disposed about the first set of transfer sprockets and the second set of transfer sprockets, and a locking pin having a first end fixed to the secondary shaft and a second end configured as an angled latch. Rotation of the lever responsively causes the locking pin to remotely rotate at the second part of the frame.

Abstract: An improved cargo dolly for transporting cargo is described having a mobile dolly frame, a main shaft on the frame, a lever proximate to a first part of the frame (where the lever is movable relative to the frame and in responsive communication with the main shaft), a first set of transfer sprockets mounted to the main shaft, a secondary shaft rotatably disposed at a second part of the frame (where the first part is remote from the second part), a second set of transfer sprockets mounted to the secondary shaft, a chain disposed about the first set of transfer sprockets and the second set of transfer sprockets, and a locking pin having a first end fixed to the secondary shaft and a second end configured as an angled latch. Rotation of the lever responsively causes the locking pin to remotely rotate at the second part of the frame.

Abstract: A parking lock unit for a drive assembly, in particular with an electric motor, comprises a parking lock housing, a ratchet wheel rotationally fixedly connected to a part of the drive assembly, which is rotatably supported about a rotational axis by at least one bearing, and comprising a connecting portion and an engagement portion which are connected to one another via a web portion; a locking element which is supported in the parking lock housing and can lock and release a rotational movement of the parking ratchet wheel about a longitudinal axis of the parking ratchet wheel, and a controllable locking actuator which can reversibly transfer the locking element into a position locking the parking ratchet wheel and a position releasing the parking ratchet wheel, wherein the parking ratchet wheel is formed such that the engagement portion is axially offset with respect to the connecting portion.

Abstract: A parking mechanism in a vehicle includes a parking gear, a parking piston, a parking rod, a parking pawl, and a locking lever. The parking gear is coupled to a drive shaft. The parking piston is moved between parking and non-parking position. The parking piston has a locking groove. The parking rod is moved in conjunction with movement of the parking piston. The parking pawl engages with and stops engaging with the parking gear in accordance with a move position of the parking rod. The locking lever includes first and second engagement portions. The first engagement portion engages with the locking groove when the parking piston is moved to the parking position. The second engagement portion engages with the locking groove when the parking piston is moved to the non-parking position. The locking lever selectively locks the parking piston in the parking and non-parking position.

Abstract: An actuating means for a park lock arrangement, where the actuating means is arranged to switch between a release position and a lock position, where the actuating means includes a lock section provided with a lock section bearing surface adapted to bear against an actuation end of a park pawl in the lock position, where the lock section bearing surface is flat. The advantage of the invention is that a compact and cost-effective actuating means for a park lock arrangement with is provided.

Abstract: The invention concerns a parking lock of a motor vehicle transmission with a ratchet wheel (1) and a ratchet (2), wherein the ratchet wheel (1) and the ratchet (2) consist of plastic, the ratchet (2) having a first ratchet tooth (6) and a further ratchet tooth (7), and the ratchet wheel (1) having a first tooth receiver (12) and a further tooth receiver (13), the first ratchet tooth (6) being hookable into the first tooth receiver (12) and the further ratchet tooth (7) being hookable into the further tooth receiver (13).

Abstract: A vehicle park lock assembly includes a park valve that moves in a first direction to transition a lever from a first to a second position, and moves in an opposite, second direction to permit movement of the lever from the second to the first position. The assembly includes a support block that limits movement of the park valve in the first direction. The assembly includes a biasing device coupled to the support block and the park valve. The biasing device biases the park valve to the first position. A method of supporting components of a vehicle park lock assembly includes moving a park valve in a first direction to transition a lever from a first to a second position, and moving the park valve in an opposite, second direction to permit movement of the lever from the second to the first position.

Abstract: A parking lock (1) for a motor vehicle, wherein the parking lock (1) has a housing (21), a locking pawl (4) which is arranged such that it can be pivoted about a rotational axis (a) and has a pawl tooth (5) which is configured for engaging in a positively locking manner into a parking lock gear, an actuator (6) for actuating the locking pawl (4), with the result that it can be brought reversibly into engagement with the parking lock gear by way of the pawl tooth (5) of the locking pawl (4), and a movable transmission element which transmits the movement of the actuator (6) to the locking pawl (4). The parking lock (1) has a damping mechanism for the locking pawl or for the movable transmission element.

Abstract: The present disclosure provides a bidirectional controllable overrunning clutch for a powertrain of a motor vehicle, with the powertrain including a gear having ratchet teeth. The clutch includes a pawl movable to a disengaged position, a locked position, and a transition state where the pawl permits the gear to rotate in the forward direction and where rotation of the gear in the reverse direction moves the pawl to the locked position. The clutch further includes a spring for moving the pawl to the disengaged position. The clutch further includes an actuator configured to hold the pawl in the transition state when the gear rotates in the forward direction and the locked position when the gear changes rotation from the forward direction to the reverse direction.

Abstract: A stow pin is provided for locking and releasing a turret on a baseplate. The stow pin can be inserted into the turret for controllably engaging the baseplate. The stow pin includes a housing, a shaft, a tip, first and second inlets, first and second channels, and a piston. The housing encloses an axial bore with a piston cavity extending radially from the bore. The piston cavity has proximal and distal axial limits. The shaft is disposed in the bore to translate therealong, and has proximal and distal ends. The tip is disposed on the proximal end of the shaft for insertion into the baseplate. The first and second inlets receive fluid under pressure. The first channel transfers the fluid from the first inlet to the piston cavity at the proximal limit. The second channel transfers the fluid from the second inlet to the piston cavity at the distal limit.

Abstract: Embodiments of a parking brake and anti-theft apparatus for a vented disc brake system are described herein. Such embodiments may include a brake assembly, an actuator and a rocker or a locking arm. The brake assembly by include a first and second rotor plates separated by spacers and slots. The rocker and locking arm may include pawls extending from an edge, and may be positioned adjacent to a circumference of the rotor plates, aligned between the rotor plates. The actuator may move the rocker and/or locking arm between locked an unlocked positions such that, in the locked configuration, the pawls are inserted into the slots, and in the unlocked configuration, the pawls are disposed outside the slots.

Abstract: A parking lock device includes a parking mechanism, a lock state switching member, a lock-released state keeper, a selector, a vehicle speed detector, a switching controller, and a keeping controller. The switching controller is configured to, when a parking range is selected, stop supplying hydraulic pressure to the lock state switching member, and when a shift range other than the parking range is selected, supply the hydraulic pressure. The keeping controller is configured to, when a shift range other than the parking range is selected and a vehicle speed is equal to or higher than a predetermined speed, supply power to the lock-released state keeper to keep lock of a parking gear released, and when a shift range other than the parking range is selected and when the vehicle speed is lower than the predetermined speed, stop supplying the power to the lock-released state keeper.

Abstract: A rotational positioning mechanism includes a base, a rotational shaft, a rotational plate, at least two first switches and a positioning assembly. The rotational shaft is pivoted to the base. The rotational plate is connected to the rotational shaft and is configured to rotate relative to the base along with the rotational shaft. The rotational plate has at least two first positioning portions. The two first switches are respectively disposed at the two first positioning portions. The positioning assembly is disposed at the base, and comprises a positioning component configured to form a structural interference with any one of the first positioning portions or remove the structural interference. After the positioning component forms the structural interference with any one of the first positioning portions, the positioning component abuts against the corresponding first switch, and the degree of rotational freedom of the rotational plate and the rotational shaft are restricted.

Abstract: A parking lock pre-selection mechanism for a work machine is disclosed in which a pawl is engageable with teeth on a power train output shaft to lock it in place. An operator lever is used to preselect the parking lock position. The mechanism includes first and second pivotally interconnected links, urged by a spring to a maximum length set by a stop. The spring causes the pawl to be urged into place when the teeth and pawl are in proper alignment.

Abstract: In an electric braking device for a vehicle, the following are carried out in order: a first lock process in which either torque for shifting the ratchet gear in a release direction is generated in an electric motor or the driving of the electric motor is stopped, while a pawl member is being pressed against a ratchet gear; a second lock process in which the rotational angle of the ratchet gear is brought to an angle different from a semi-engaging rotational angle by driving the electric motor; and a third lock process in which the ratchet gear is rotated in the release direction by driving the electric motor in reverse.

Abstract: To reduce the attainable actuation times of an electrically actuated friction brake and simultaneously keep the friction brake inexpensive, a second transmission element (8) with an elevation curve (17) is proposed in which a coupling element (15) is provided on a first transmission element (5), and on the coupling element (15) there is arranged a follower element (14) which follows the elevation curve (17) under the action of the electric actuator (12) for the actuation of the first transmission element (5).

Abstract: A conveyance seat is provided. The conveyance seat comprises a first side frame portion disposed in a first side of a seat width direction extending substantially in an up-down direction, a second side frame portion disposed in a second side of the seat width direction extending substantially in the up-down direction, a drive mechanism configured to generate driving force so as to pivot the first side frame portion and the second side frame portion in the front-rear direction of the seat, a walk-in mechanism disposed in an opposite side of the drive mechanism in the seat width direction across the first side frame portion, a motor fixing portion disposed on the first side frame portion and provided with a fixing surface on which the drive mechanism is secured and a bracket configured to secure the drive mechanism to the fixing surface.

Abstract: A stop lever is provided for a power tool having a gear case and a guard member. The reversible stop lever is coupled to the gear case via a fastener. The stop lever includes a first arm and a second arm, and the fastener is removable to position the stop lever such that the first arm or the second arm of the stop lever engages the guard collar. The first arm includes a first surface and a second surface that are angled such that the guard collar can be rotated in a one direction without actuation of the second arm, but not in the opposite direction. The second arm of the stop lever includes surfaces that are angled to prevent rotation of the guard collar in either direction unless the second arm is actuated about the fastener.

Abstract: The invention relates to an articulated apparatus for guiding a relative movement of components into a target position, which may be the operating position of a micromanipulator arrangement. The articulated apparatus has multiple parts, which are movable with respect to each other. Two stop devices are used which, in combination, imitate the “latching-in” of a conventional latching device, but offer a considerably greater level of precision. A combined stop position is settable as said target position in which the first stop position and the second stop position are both present. The invention uses two stop devices in order to imitate the leaving of the “latched” target position in two directions as in the case of latching. Such articulated apparatus may be typically used with a micromanipulator arrangement of a cytobiological or microbiological workstation.

Abstract: A system for monitoring shopping carts or other human-propelled carts includes wireless access points that communicate on a wireless network with wheel assemblies of the carts. The system is capable of monitoring a path followed by a cart in a store or building, and using the path (optionally together with other criteria) to determine whether to authorize the cart to exit. For example, if a shopping cart fails to pass through a checkout lane of a store, the system may perform an action that blocks or inhibits the shipping cart from exiting the store.

Abstract: A laundry treating appliance for treating laundry according to an automatic cycle of operation includes a chassis defining an interior, a tub provided within the interior, a drum provided within the tub, a motor mounted to the tub and having a drive shaft drivingly coupled to the drum to selectively rotate the drum about the longitudinal axis, a suspension system, and at least one counterweight, wherein the suspension system and the at least one counterweight are configured such that the capacity efficiency of the laundry treating appliance is greater than 45%.

Abstract: A frame (10) for a creeper includes spaced side rails (11) having a generally flat top surface (12) and a generally flat bottom surface (13). Opposed arcuate surfaces (14) extend between the ends of the top (12) and bottom (13) surfaces to form a generally oval profile for the side rails (11). A plurality of caster assemblies (15, 16, 17) each include a generally flat mounting plate (36) which is positioned adjacent to, and attached to, the flat bottom surface (13) of the side rails (11). A plurality of crossrails (23, 24, 25, 26) extend between the side rails (11) and are adapted to receive a pad.

Abstract: A motor-equipped gear box mounting structure includes a motor-equipped gear box. This motor-equipped gear box includes a motor and a gear box. The gear box has a main body portion that is fixed to the frame member and within which is housed a reduction gear group that transmits driving force from the motor to an output shaft, and a motor mounting portion that mounts the motor to the main body portion. The gear box also has a weak portion between the main body portion and the motor mounting portion. A rotating shaft of the motor is coaxially and detachably connected to a rotating shaft of a worm gear that is one gear in the reduction gear group.

Abstract: A park lock having an actuator assembly for pivoting a pawl relative to a dog ring. The actuator assembly has a first linear actuator, a locking mechanism, a first biasing spring and a second linear actuator. The first linear actuator has a first output member that is movable along a movement axis that is parallel to a pivot axis of the pawl. The locking mechanism is configured to selectively couple the first output member and a cam for common movement along the movement axis. The first biasing spring is configured to move the cam along the movement axis relative to the first output member when the locking mechanism decouples the cam from the first output member. The second linear actuator is configured to move the cam along the movement axis and against the first biasing spring when the cam is decoupled from the first output member.

Abstract: In a default-to-park system for a transmission, a lever member has a cylindrical hub configured to rotate about a spindle. The lever member has a transverse plate including a lever arm connected to a park release actuator and to a link to a park pawl of the transmission. Under normal operation, a transmission controller shifts the actuator to turn the lever arm and release the park pawl so the transmission can rotate. In an absence of a signal from the controller to the actuator, a bias spring restores the lever arm so that the transmission is locked. The bias spring comprises torsion coils disposed over the hub, a fixed end, and a drive end. The drive end has a heel segment bearing against a transverse surface of the transverse plate facing the torsion coils and a loading hook wrapped around an edge of the transverse plate.

Abstract: Methods and systems are provided for a motorized disconnect operable to selectively engage and disengage two rotating components of a vehicle drivetrain. As one example, a motorized disconnect system is provided that operates via an electric motor and includes a shifter assembly with an oscillating gear track and cam profile for rotating the shifter assembly while moving it in an axial direction to selectively couple two rotating components.

Abstract: A transmission emergency release for an automatic transmission which is mechanically blocked when a parking mode is engaged, includes a manually operable actuating element for the mechanical deactivation of the parking mode, wherein the actuating element has a vehicle-fixed mount (1, 29) with a force transmitting element and an actuating lever (9, 25) which is insertable in the vehicle-fixed mount (1, 29) to disable the parking mode in order to disable the parking mode by means of the force-transmitting element.

Abstract: In one aspect the invention provides a safety lock device, for use with a pump-jack having a gear box and at least one rotating member, the safety lock device comprising an engagement member suitable for securely engaging the rotating member to prevent further substantial rotation of said rotating member and a mounting frame to mount the safety lock device to the gear box. The engagement member may be actuated between a locked position and an unlocked position.

Abstract: A vehicle and a locking assembly are disclosed. The locking assembly includes a pawl rotatable about a pivot axis between an engaged position and a disengaged position. The pawl is adapted to engage the ring gear when in the engaged position for preventing movement of the ring gear. The locking assembly further includes an actuator selectively actuated to move the pawl to the engaged position. Additionally, the locking assembly includes a biasing mechanism engaging the pawl to continuously bias the pawl toward the disengaged position. The pawl includes a first tooth and a second tooth spaced from each other to define a gap therebetween. The first tooth and the second tooth are adapted to trap a tooth of the ring gear in the gap when the pawl is in the engaged position for preventing rotation of the ring gear.

Abstract: A park lock mechanism having first and second actuator assemblies for selectively moving a cam against a cam follower to engage a pawl to a dog ring. The first actuator assembly can be selectively operated to coordinate movement of the cam between first and second cam positions. The second actuator assembly can be selectively operated to drive the cam from the first cam position to the second cam position.

Abstract: An actuator has a drive element and an output element each rotatable about a rotation axis, and a coupling device which couples the drive element to the output element to form a torsion backlash.

Abstract: A park lock having an actuator assembly for pivoting a pawl relative to a dog ring. The actuator assembly has a first linear actuator, a locking mechanism, a first biasing spring and a second linear actuator. The first linear actuator has a first output member that is movable along a movement axis that is parallel to a pivot axis of the pawl. The locking mechanism is configured to selectively couple the first output member and a cam for common movement along the movement axis. The first biasing spring is configured to move the cam along the movement axis relative to the first output member when the locking mechanism decouples the cam from the first output member. The second linear actuator is configured to move the cam along the movement axis and against the first biasing spring when the cam is decoupled from the first output member.

Abstract: A lock assembly for use in automotive and industrial transmission systems comprises: an actuator (2) having an impeller (6) movable between two rest positions by energizing the actuator, wherein the impeller is retained in each of the two rest positions by passive magnetic forces generated by the actuator; a locking arrangement (10, 22; 42, 52; 62, 64; 70, 74; 80, 96) switchable between a first configuration in which rotation of a shaft is unimpeded by the locking arrangement and a second configuration in which rotation of said shaft is blocked by the locking arrangement; and a linkage (14, 16; 44, 46, 61, 88) between the impeller and the locking arrangement, wherein the assembly is arranged such that in one of the impeller rest positions, the locking arrangement is in its first configuration and said shaft is freely rotatable, and in the other of the impeller rest positions, the locking arrangement is urged towards and into its second configuration.

Abstract: A wheel brake set for a luggage case contains a covering member; a support assembly for supporting the covering member; at least one wheel mounted on one side of the support assembly, and a respective one of the at least one wheel having a plurality of hollowly concave portions defined on one side thereof; a driving assembly including a fixing pin secured on the support assembly for positioning a respective one wheel at an original position. The fixing pin is driven to extend out of the support assembly and to insert into a pushing position of one of the plurality of hollowly concave portions, thus positioning the respective one wheel.

Abstract: A parking pawl actuation assembly for a transmission includes a shaft, a hub member rotatably supported by the shaft, a cam plate and lever plate rotatably supported by the hub member, a first resilient member disposed between the cam plate and the lever plate, and wherein the resilient member applies a rotational force on the cam plate in a first rotational direction when the lever plate is rotated in the first rotational direction, an actuator configured to selectively rotate the lever plate to one of a plurality of positions, and a parking pawl member configured to engage the cam plate and the parking gear of the transmission.

Abstract: A wheel locking or parking brake assembly for a vehicle. In one embodiment, the wheel locking or parking brake assembly includes a plate member affixed to a wheel or axle having a plurality of closely spaced holes in a circular configuration or a circumferential flange with a peripheral extension or lug; an electrically powered pin advancing and retracting means; the pin adapted to engage and pass into any of the holes or advance in the path of the extension or lug; electric power supply and electric current polarity reversing means, wherein in operation, the pin remains in either an advanced or retracted position depending on the direction of the current when the electric power was switched off.

Abstract: For use in an electronic pipette, a brake mechanism which is used for abruptly stopping the movement of the actuator that moves the plunger, which mechanism comprises a rotatable, essentially circular rotor that is at its periphery provided with brake notches arranged at regular intervals, and a brake actuator comprising a motion inducing means, a brake member (1) to which a brake cam (11a), compatible with the brake notches is connected, a mediation mechanism for transmission of the movement of the motion inducing means to the brake member, the brake member comprising, connected to the motion inducing means, a turnable member (2) that is arranged to act with the brake member such that the movement of the turnable member can be accelerated before it essentially effects the movement of the brake member.