US Patent Issued to Tie Down on Sept. 23 for "Drive and carriage for material hoist" (Georgia Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,798, issued on Sept. 23, was assigned to Tie Down Inc. (Atlanta).

"Drive and carriage for material hoist" was invented by Mohammed Aamir (Atlanta), Michael James Maczko (Covington, Ga.) and Charles J. MacKarvich (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive for a material hoist system can include a housing configured to be slidably coupled to a track of the system; a motor positioned inside the housing; a gearbox positioned inside the housing and coupled to the motor; and a spool positioned inside the housing between the motor and the gearbox, the spool configured to: selectably wind and unwind a flexible connecting element couple...