Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1975-04-21
1977-06-07
Skogquist, Harland S.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273183D, A63B 6938
Patent
active
040278794
ABSTRACT:
A training device used to instruct the student of tennis in developing a proper grip in connection with proper forehand and backhand swinging, service, volley or overhead strokes in which the execution of an imperfect swing resultant from insufficient gripping strength of the hand is accompanied by a noise and vibrant sensation to the trainee. The training device has an easily deformable elongated hand grip portion having an elongated shaft loosely extending along the longitudinal axis thereof. A pair of spaced apart slide collars are placed within the hand grip and loosely surround the shaft. One end of the shaft is provided with a stop knob while the other end of the shaft has a neck member attached thereto. When in a normal position, the stop knob is spaced from one of the slide collars and the neck member abuts one end of the hand grip. When a user grips the handle grip portion with a proper grip force while swinging the device during simulation of any of the usual tennis stroke motions the neck portion will remain in its normal position, however, if the grip force is improper the neck member will move away from the end of the grip member and the stop knob will contact a slide collar, therefore a visual and audible indication will be observed, signaling improper hand grip of the grip member.
REFERENCES:
patent: 2044567 (1936-06-01), Daday
patent: 2099521 (1937-11-01), Herkimer et al.
patent: 3173688 (1965-03-01), Green
patent: 3572706 (1969-06-01), Schroder
patent: 3834714 (1974-09-01), Smolinski
patent: 3931968 (1976-01-01), Hedgeberg
Brown T.
Skogquist Harland S.
LandOfFree
Tennis training device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tennis training device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tennis training device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1232821