THOMAS GRANT BELTZ
Pilots at Airport Rd, Weissport, PA
License number
Pennsylvania A0127683
Issued Date
Nov 2016
Expiration Date
May 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
179 Airport Rd, Weissport, PA 18235
Professional information
Truss System And Components Thereof
US Patent:
4546591, Oct 15, 1985
Filed:
Nov 23, 1983
Appl. No.:
6/554690
Inventors:
Thomas G. Beltz - Lehighton PA
International Classification:
E04H 1218
US Classification:
52645
Abstract:
A truss system component comprising upper and lower chord members, a plurality of first strut members extending between the chord members for maintaining the chords in vertically spaced apart relation, the upper and lower chord members providing pin connections for pivotally connecting said first strut member to the lower chord at substantially equally spaced points along the chord, and a plurality of second strut members extending between the chord members for maintaining the chords in vertically spaced apart relation, each of the second struts being at its lower end pivotally connected to one of the first strut members at each of the first points along the lower chord and at its upper end being pivotally connected to the upper chord member at substantially equally spaced second points therealong.