Patent ID: 8894389
Filing Date: 2014-11-25
Classification: F04B

Abstract:
1. A utility pump comprising: a housing having a series configuration of integral pumps, also having a battery receiving portion configured with a flat wall having electrical terminals arranged thereon for receiving power for providing to the utility pump; and a battery having a protruding portion configured with a corresponding flat wall having corresponding electrical terminals arranged thereon, the corresponding electrical terminals being configured to contact respectively both of the electrical terminals on the flat wall of the battery receiving portion to provide power from the battery to the utility pump when the protruding portion of the battery is inserted into the battery receiving portion of the housing and rotated to an “ON” position, and the corresponding electrical terminals also being configured not to contact respectively both of the electrical terminals on the flat wall of the battery receiving portion when the battery is rotated from the “ON” position to an “OFF” position; wherein the battery receiving portion has an internal wall configured with at least one axial channel therein; and the protruding portion has an external wall having at least one further protruding portion configured to engage the at least one axial channel for guiding and orienting the battery when inserted into the battery receiving portion into a first rotational position; wherein the internal wall of the battery receiving portion is configured with at least one partial circumferential channel; and the at least one further protruding portion is configured to engage the at least one partial circumferential channel for rotating the battery from a first position when the protruding portion of the battery is inserted into the battery receiving portion of the housing into either a second rotational position, including the “ON” position where the utility pump is turned “ON”, or to a third rotational position, including the “OFF” position where the utility pump is turned “OFF.”