WILLIAM CHRISTOPHER GOLDBERG
Pilots at Doral Dr, Atlanta, GA
License number
Georgia A3845727
Issued Date
Jul 2015
Expiration Date
Jan 2016
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
3934 Doral Dr, Atlanta, GA 30360
Professional information
Expandable Self-Locking Frame
US Patent:
5927038, Jul 27, 1999
Filed:
Jun 19, 1997
Appl. No.:
8/878889
Inventors:
William S. Goldberg - Atlanta GA
Todd G. Jakobsen - Atlanta GA
Todd G. Jakobsen - Atlanta GA
International Classification:
E04B 258
US Classification:
52632
Abstract:
An expandable self-locking frame useful in the construction of temporary to permanent walls. The frame comprises a plurality of longitudinally extensible studs mounted along the length of a pair of elongated tracks. Each of the longitudinally extensible studs is provided with a longitudinal extension mechanism incorporating a locking mechanism with which a length of the frame can be adjusted. In a preferred embodiment, the outer longitudinally extensible struts of the frame are further provided with lateral extension mechanisms with which the width of the frame can be adjusted.