DIRK ZYLSTRA
Social Work in Ionia, MI
License number
Michigan 6801016520
Issued Date
Apr 22, 1980
Expiration Date
Apr 30, 1997
Category
Social Workers
Type
Masters Social Worker
Address
Address
Ionia, MI 48846
Professional information
Neck Exercise Machine
US Patent:
7468019, Dec 23, 2008
Filed:
Jun 14, 2007
Appl. No.:
11/818251
Inventors:
Dirk Zylstra - Ionia MI, US
International Classification:
A63B 23/025, A63B 21/02, A63B 21/04
US Classification:
482 10, 482124, 482130
Abstract:
A neck exercise machine including a frame, a seat, a set of pulleys, a head band, an adjustable tensioner, and a cable adjustably attached to the head band, threaded through the pulleys, and removably connected to the adjustable tensioner, such that when a user sits in the seat and attaches the head band, they can exercise their neck muscles in a variety of different angles, rotations, and tensions. Elastic bands, an analog/digital force gauge, or hydraulic cylinder may be used as the adjustable tensioner and incorporate processor, memory, and data output mechanisms for performance analyses. The machine can also be broken down into numerous parts for easy transport and reassembly.