Abstract: An inventory locating device including an optical scanner for reading bar code labels containing product identifying information. A pair of measuring wheels, one positioned on each side of the scanner, is provided for running along a supporting surface as the optical scanner reads bar code labels on the surface. By means of an endless belt, rotational motion of the measuring wheels is transmitted to a shaft encoder permitting the distance traveled by the device to a given label to be calculated and tracked. Information gathered by the optical scanner and shaft encoder is relayed by a radio frequency transmitter to a remote receiver for storage and processing.

Abstract: An inventory locating device including an optical scanner for reading bar code labels containing product identifying information. A pair of measuring wheels, one positioned on each side of the scanner, is provided for running along a supporting surface as the optical scanner reads bar code labels on the surface. By means of an endless belt, rotational motion of the measuring wheels is transmitted to a shaft encoder permitting the distance traveled by the device to a given label to be calculated and tracked. Information gathered by the optical scanner and shaft encoder is relayed by a radio frequency transmitter to a remote receiver for storage and processing.

Abstract: A mobile chair for the handicapped includes a seat frame, a front support frame and a removable rear support frame. The seal frame is pivotable with respect to the front support frame selectively to vary the position of the seat frame. The rear support frame is releasable from the front support frame and is connected thereto by a toggle mechanism at the rear and a pivotal releasable ball and socket joint at the front. To place the chair in a car or other vehicle, the front of the chair is first placed on the vehicle floor, the rear toggle connection is released and the seat frame and front support frame are placed on the vehicle seat. The ball and socket joint permits the seat frame and front support frame to be pivoted into the car and placed on the seat while the rear support frame remains essentially stationary outside the vehicle. Once the chair is in the vehicle, the ball and socket connection is released and the rear support frame may be removed and stowed elsewhere.