JOHN J RONAN
Broker in Plum Island, MA
License number
Massachusetts 99049
Issued Date
Jun 1, 1987
Expiration Date
Apr 9, 1991
Type
Salesperson
Address
Address
Plum Island, MA 01950
Professional information
Spotting Apparatus For Assisting A Weightlifter
US Patent:
5314394, May 24, 1994
Filed:
Aug 20, 1992
Appl. No.:
7/933029
Inventors:
John J. Ronan - Newburyport MA
International Classification:
A63B 21078
US Classification:
482104
Abstract:
A weightlifting apparatus including a support structure for supporting a weight to be lifted, and a monitoring system for monitoring the position of the weight within a range of movement. The monitoring system includes sensors positioned within the range of movement, assisting unit for intermittently providing assistance, and a control unit for continuously controlling the assisting unit responsive to the outputs of the sensors. The apparatus is further capable of providing variable amounts of assistance.