Abstract: Systems, devices, and methods for automatically predicting a depreciation in an amount of a contained product. In one example system, a product demand sensor is placed under a product container. The demand sensor periodically (e.g., every three minutes) measures the weight of the container. This weight data and other data collected by the demand sensor is transmitted to an analytics engine, where it is used to develop a demand profile. The demand profile used to produce an accurate prediction of a product's days on hand, which allows a purveyor or user of the product to preemptively and automatically restock the product.

Abstract: An embodiment of the present invention is directed to a drive mechanism for translating rotational output from a moveable member of a rotary tool to an interchangeable attachment having a movable member. The drive mechanism includes a rotatable drive shaft sized and shaped for insertion into the rotary member of the rotary tool, a connector adapted to selectively secure the drive mechanism to the interchangeable attachment, a reciprocating drive member adapted to contact the movable member of the interchangeable attachment and to cause the movable member to move, when the interchangeable attachment is secured to the drive mechanism, and a transmission configured to translate rotation of the drive shaft into reciprocating motion of the drive member.

Abstract: An embodiment of the present invention is directed to a drive mechanism for translating rotational output from a moveable member of a rotary tool to an interchangeable attachment having a movable member. The drive mechanism includes a rotatable drive shaft sized and shaped for insertion into the rotary member of the rotary tool, a connector adapted to selectively secure the drive mechanism to the interchangeable attachment, a reciprocating drive member adapted to contact the movable member of the interchangeable attachment and to cause the movable member to move, when the interchangeable attachment is secured to the drive mechanism, and a transmission configured to translate rotation of the drive shaft into reciprocating motion of the drive member.