An electrode plate transfer device and method are disclosed. An electrode plate transfer device includes a base part, a rotation providing part mounted on the base part and configured to provide a rotational force, a linear driving part linearly movable by the rotation providing part, and a transfer part connected to the linear driving part and supported by the base part so as to move an electrode plate.

A crank assembly for displacing a load includes a motor and a displacement arm assembly. The motor includes a rotatable output shaft that defines a rotation axis. The displacement arm assembly includes a swingable crank arm and a support roller bearing. The swingable crank arm is coupled to the output shaft to swing about the rotation axis when the output shaft rotates. The swingable crank arm defines a pivot end adjacent the rotation axis and an opposite displacement end. The support roller bearing is rotatably supported on the swingable crank arm proximate the displacement end. The support roller bearing is configured to engage the load. The support roller bearing defines a bearing axis, which is substantially parallel to and offset from the rotation axis.

A jack comprises a planar frame having a support post and an arcuate edge member. A pivot socket is provided at a first end of the support post that is sized to receive and engage an axle portion of a vehicle. The arcuate edge member has a first end extending along the pivot socket, a second end adjacent a second end of the support post, and an outer arcuate edge extending outwardly between the first and second ends of the support post. The outer arcuate edge defines a radius of curvature greater than a length dimension of the support post. Thus, the jack is positionable between a first orientation to allow the pivot socket to receive and engage an axle of a vehicle and a second orientation to allow the support post to lift the axle.

A lifting and lowering tool includes a foot configured to be supported on a surface, a bar extending therefrom, and a movable assembly including a housing, a movable platform shaped to support a load that extends from the housing, a lifting actuator configured to incrementally move the movable assembly along the bar away from the foot, a lowering actuator configured to incrementally move the movable assembly along the bar towards the foot, and a release actuator configured to disengage the movable assembly from the bar to allow free movement of the movable assembly along the bar. In embodiments, the movable assembly engages the bar through locking plates that extend through a flange of the movable assembly. In embodiments the release actuator is spaced from the lifting actuator and the lowering actuator to prevent inadvertent actuation of the release actuator. In embodiments a flange of the movable assembly surrounds the bar.

A lifting apparatus is disclosed that includes a first frame and a horizontally opposed second frame interconnected by at least one beam at their top portions. A lifting assembly is pivotally mounted to the beam between the frames and includes a lifting arm, a contact portion for engaging an object, and a lifting component. The contact portion is connected to the beam via the lifting component, which is also pivotally connected to the beam through the lifting arm. The configuration allows for selective actuation of the lifting arm to raise and lift an object independently of the vertical movement facilitated by the lifting mechanism, providing improved control and flexibility in lifting operations.

A jack comprises a planar frame having a support post and an arcuate edge member. A pivot socket is provided at a first end of the support post that is sized to receive and engage an axle portion of a vehicle. The arcuate edge member has a first end extending along the pivot socket, a second end adjacent a second end of the support post, and an outer arcuate edge extending outwardly between the first and second ends of the support post. The outer arcuate edge defines a radius of curvature greater than a length dimension of the support post. Thus, the jack is positionable between a first orientation to allow the pivot socket to receive and engage an axle of a vehicle and a second orientation to allow the support post to lift the axle.

A lifting and lowering tool includes a foot configured to be supported on a surface, a bar extending therefrom, and a movable assembly including a housing, a movable platform shaped to support a load that extends from the housing, a lifting actuator configured to incrementally move the movable assembly along the bar away from the foot, a lowering actuator configured to incrementally move the movable assembly along the bar towards the foot, and a release actuator configured to disengage the movable assembly from the bar to allow free movement of the movable assembly along the bar. In embodiments, the movable assembly engages the bar through locking plates that extend through a flange of the movable assembly. In embodiments the release actuator is spaced from the lifting actuator and the lowering actuator to prevent inadvertent actuation of the release actuator. In embodiments a flange of the movable assembly surrounds the bar.