Timothy A Douglas
Engineers in Park City, UT
License number
Utah 353565-2202
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Park City, UT
Professional information
Mechanical Lift, Fully Nesting, Telescoping Mast
US Patent:
2007002, Feb 8, 2007
Filed:
Jun 24, 2005
Appl. No.:
11/165830
Inventors:
Timothy Douglas - Park City UT, US
Daniel Kennedy - Salt Lake City UT, US
Daniel Kennedy - Salt Lake City UT, US
International Classification:
E04H 12/34
US Classification:
052118000
Abstract:
A telescoping mast apparatus has a plurality of nesting cylinders. The telescoping mast apparatus has a plurality of telescoping cylinders and a plurality of straps. The plurality of cylinders is extendable from a base. Each strap extends from near a bottom of an outer cylinder, around an upper roller near a top of the outer cylinder, and is attached near a bottom of an inner cylinder. The plurality of straps and the plurality of telescoping cylinders intercouples in series with alternating straps and cylinders. The plurality of cylinders is extended by retracting a first strap from the outer cylinder, which raises an intermediate cylinder, which retracts the intermediate strap from the intermediate cylinder, which raises the second intermediate cylinder.