Dynamic swing training aid for sports

Games using tangible projectile – Golf – Body movement or position indicator

Reexamination Certificate

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Details

C473S266000, C473S269000

Reexamination Certificate

active

07018301

ABSTRACT:
A rocking footplate alerts an athlete such as a golfer or a baseball player to the occurrence of improper rear foot weight placement. The footplate is placed under the athlete's rear foot and includes upper and lower plates which are joined by a hinge having an axis of rotation which is aligned with the center of the foot. The bottom of the device includes spikes which engage the ground to provide a stable base for the hinged top plate. The top plate is in the anatomical shape of a foot to aid proper foot placement on the device.

REFERENCES:
patent: 4023810 (1977-05-01), Lorang
patent: 4088325 (1978-05-01), Sutton
patent: 5263863 (1993-11-01), Stefani et al.
patent: 5916036 (1999-06-01), Hamilton
patent: 5976027 (1999-11-01), Kachmar
patent: 6723004 (2004-04-01), Florian

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