Tennis ball projector for training purposes

Description

FIG. 1 is a top plan view of a tennis ball projector for training purposes embodying my new design;

FIG. 2 is a front view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a rear view;

FIG. 7 is a perspective view.

Claims

The ornamental design for a tennis ball projector for training purposes, as shown.

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Inventors:	Hirabayashi; Tsugio (Tokyo, JP), Nakai; Michio (Ebina, JP)
Assignee:	Sony Corporation (Tokyo, JP)
Appl. No.:	06/216,183
Filed:	December 15, 1980

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Foreign Application Priority Data

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Jun 19, 1980 [JP]			55-24586

Current U.S. Class:	D21/720
Current International Class:	D2102
Field of Search:	;D21/210 ;273/29A,26A ;124/56,73

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References Cited [Referenced By]

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U.S. Patent Documents

D212769	November 1968	Samuels
3905349	September 1975	Nielson et al.
4291665	September 1981	Bash et al.

Foreign Patent Documents

	2057893		Apr 1981		GB

Other References

The Sporting Goods Dealer, May, 1975, p. 146, top right, Tennis Machine..

Primary Examiner: Feifer; Melvin B.
Attorney, Agent or Firm: Eslinger; Lewis H.