A kit that may include an interfacing device that includes pool sidewall interface, and a pool cleaning robot that includes a housing and a drive system. The drive system may include a drive motor system, a group of interfacing modules and a transmission system that is arranged to mechanically couple the drive motor system to the group of interfacing modules. At least one interfacing module of the group may include protuberances that are shaped to fit a non-smooth surface of the pool sidewall interface.

The invention relates to a tool for changing the callipers in disc brakes, comprising a base movable on wheels and comprises a counterweight, characterised in that a telescopic upright having a height adjuster projects in a perpendicular direction from the base, wherein said upright comprises an inverted L-shaped body in the upper part thereof, the ends of which are joined via a plate comprising a plurality of coupling screws, and wherein said plate can pivot relative to a pivot, that is adjustable in its inclination angle by means of an inclination adjuster.

The invention relates to a tool for changing the callipers in disc brakes, comprising a base movable on wheels and comprises a counterweight, characterised in that a telescopic upright having a height adjuster projects in a perpendicular direction from the base, wherein said upright comprises an inverted L-shaped body in the upper part thereof, the ends of which are joined via a plate comprising a plurality of coupling screws, and wherein said plate can pivot relative to a pivot, that is adjustable in its inclination angle by means of an inclination adjuster.

A system for extraction of a pool cleaning robot from a pool, the system may include a base for receiving the pool cleaning robot; and at least one out of (a) an interface device and (b) a pool cleaner electrical power cable winding drum; wherein the interfacing device comprises an interfacing device portion that extends beyond and below the base during a part of the extraction of the pool cleaning robot from the pool; and wherein the pool cleaner electrical power cable winding drum is configured to wind and unwind a power cable of the pool cleaning robot during the part of the extraction of the pool cleaning robot from the pool.

A vehicle top lift and storage system is disclosed herein. The vehicle top lift and storage system includes a lift mechanism configured to attach to a vehicle top and to suspend the vehicle top. The left mechanism may include various configurations of straps, hooks, or pulleys, as described herein, to aid in removal of the vehicle top from a vehicle.

A vehicle top lift and storage system is disclosed herein. The vehicle top lift and storage system includes a lift mechanism configured to attach to a vehicle top and to suspend the vehicle top. The left mechanism may include various configurations of straps, hooks, or pulleys, as described herein, to aid in removal of the vehicle top from a vehicle.

A pool cleaning robot for cleaning a pool, comprising: a housing; and a drive system that is arranged to move the pool cleaning robot in relation to an environment of the pool cleaning robot; wherein the environment comprises the pool and an exterior surface; wherein the drive system comprises: a drive motor system; a group of interfacing modules; a transmission system that is arranged to couple the drive motor system to the group of interfacing modules; and an interface manipulator; wherein interfacing modules of the group are arranged to interface between the pool cleaning robot and the environment; wherein the interface manipulator is arranged to change a spatial relationship between (a) the housing and (b) a selected interfacing module of the group, during an exit process during which the pool cleaning robot exits the pool.

A davit comprising a column which is mountable for rotation about a generally upright axis and a jib, the jib being attached to the column, characterised in that the column is provided, on a first side thereof, with ribs defining a first channel.

A davit comprising a column which is mountable for rotation about a generally upright axis and a jib, the jib being attached to the column, characterised in that the column is provided, on a first side thereof, with ribs defining a first channel.

A jib crane cart assembly including a platform having a proximal surface and a distal surface, the platform having a reinforcement structure between the proximal surface and the distal surface, a pair of masts extending from the proximal surface of the platform, each of the masts having a jib arm moveably secured thereto, and a set of wheels secured to the platform, wherein the set of wheels are arranged for a cart track of a coke oven battery.