Ralph L Swanson

US Patent:

61685542, Jan 2, 2001

Filed:

Dec 23, 1997

Appl. No.:

8/997286

Inventors:

Steve W. Berg - Villa Park IL
Ralph Swanson - Downers Grove IL

International Classification:

A63B 2200

US Classification:

482 70

Abstract:

An attachment is provided for interchangeably converting a ski simulating machine into a rowing machine, the ski simulating machine having a frame, a pair of skis slidably mounted on the frame to move in forward and rearward directions on the frame and means mounted on the frame for providing resistance to the pair of skis during at least one of forward and rearward movement. The attachment includes a seat mounted for guided sliding movement with respect to the frame, foot support means mounted on the frame for bracing a user's feet when the user is sitting on the seat, and means for coupling the resistance providing means for application to a user's arm movement during a rowing exercise.

US Patent:

20180086577, Mar 29, 2018

Filed:

Sep 29, 2016

Appl. No.:

15/280689

Inventors:

- Hazel Crest IL, US
Myron Glickman - Arlington Heights IL, US
Ralph Swanson - Lockport IL, US
Eric Van Gorp - Schererville IN, US
Martin Conneally - Downers Grove IL, US

International Classification:

B65G 67/24
B65G 67/04
B65G 1/00

Abstract:

A system for handling shipping containers includes first and second lifting beams and first and second holding beams. The system further includes a plurality of vertical beams wherein the plurality of vertical beams support the first and second lifting beams and the first and second holding beams. In the system, first and second pluralities of lifting shoes are disposed respectively on each of the first and second lifting beams while first and second pluralities of holding shoes are disposed respectively on each of the first and second holding beams. The system also has a hoisting mechanism that raises and lowers the first and second lifting beams, and the first and second lifting beams, the first and second holding beams, the plurality of vertical beams, and the hoisting mechanism are arranged to form a lift beam system.