DAVID JON SOBOLIK
Pilots at Woodglen Cir, Devils Lk, ND
License number
North Dakota A2172880
Issued Date
Nov 2015
Expiration Date
Nov 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
110 Woodglen Cir, Devils Lk, ND 58301
Professional information
Foldable Boom For An Agricultural Sprayer
US Patent:
6293475, Sep 25, 2001
Filed:
Jan 31, 2000
Appl. No.:
9/494571
Inventors:
David J. Sobolik - Devils Lake ND
Assignee:
Summers Manufacturing Co., Inc. - Devils Lake ND
International Classification:
B05B 120
US Classification:
239168
Abstract:
The present disclosure relates to a folding boom for an agricultural sprayer. The boom includes a first piece pivotally connected to a second piece. The folding boom also includes a hydraulic cylinder for hydraulically pivoting the first boom piece relative to the second boom piece between a folded orientation and an extended orientation. The hydraulic cylinder includes a cylinder portion in which a piston structure is mounted. The cylinder portion and the piston structure are configured to slide axially relative to one another when the first boom piece is pivoted relative to the second boom piece. The folding boom further includes an accumulator in fluid communication with the cylinder portion for accumulating hydraulic fluid when the first boom piece collides with an obstruction and is pivoted from the extended orientation toward the folded orientation.
Agricultural Sprayer Implement
US Patent:
7669784, Mar 2, 2010
Filed:
Mar 14, 2006
Appl. No.:
11/375490
Inventors:
David J. Sobolik - Devils Lake ND, US
Assignee:
Summers Manufacturing Co., Inc. - Maddock ND
International Classification:
B05B 1/20, B05B 3/02, B05B 3/14, A01G 25/09, E01C 19/16, E01H 3/02
US Classification:
239161, 239159, 239166, 239168, 239172
Abstract:
An agricultural sprayer implement which includes a wheeled main body and a cantilevered boom. The cantilevered boom has a plurality of sections which fold with respect to one another and place significant torsional stress on one or more of the boom sections. The interior boom sections have a cylindrical tube as a lower member and preferably a square tube as an upper member with a plurality of braces extending between them. The cylindrical tube resists the torsional stress which is maximized during folding of the boom. The square tube resists particularly an upward/downward bending moment.