Patent ID: 11857827
Assignee: NAUTILUS, INC.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 19:
20. An adjustable free weight system comprising:
an adjustable dumbbell having a handle and a plurality of weight plates selectively removably attached to the handle; and
a base comprising:
a cradle configured to support the handle and the plurality of weight plates when not in use, wherein the cradle defines a plurality of plate wells, each of which is configured to accommodate an individual one of the plurality of weight plates;
a sensing assembly attached to the cradle and comprising a plurality of pivoting levers, each having a plunger that protrudes into a respective one of the plurality of plate wells, a corresponding number of sensors, each operatively arranged to interact with a respective lever, and a circuit configured to detect a change in a state of each of the plurality of sensors in response to movement of one or more of the plurality of levers and to generate one or more signals indicative of the state of the plurality of the sensors; and

at least one processor configured to determine, based on the one or more signals, a total weight of the adjustable dumbbell upon removal of the handle from the base.