The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2022
Filed:
Apr. 09, 2020
Chapman/leonard Studio Equipment, Inc., North Hollywood, CA (US);
Leonard T. Chapman, North Hollywood, CA (US);
Chapman/Leonard Studio Equipment, Inc., North Hollywood, CA (US);
Abstract
A lightweight camera crane has an outer arm pivotally attached to a base. A moving counterweight carriage is supported on carriage rollers on top of the outer arm. An inner arm is supported on arm rollers within the outer arm. An electric extension motor drives telescoping extension and retraction movement of the inner arm via chains, belts or cables connected to the counterweight carriage and the inner arm. An electrical power unit is supported at a back end of the outer arm. The electrical power unit includes a rechargeable battery for powering the electric extension motor.