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Home tennis practice contrivance

  • US 4,003,572 A
  • Filed: 04/28/1975
  • Issued: 01/18/1977
  • Est. Priority Date: 04/28/1975
  • Status: Expired due to Term
First Claim
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1. A home-tennis practice contrivance comprisingan elongated flexible substantially inextensible filamentary suspension member having a main suspension portion with a pivot portion at its upper end adapted to be connected to an overhead support and having a reversely-directed surplus portion depending from said pivot portion,an inflatable and deflatable toy-balloon-like bag of elastomeric material having a tubular inflation neck portion projecting upward therefrom and adapted to be constricted in air-retaining relationship to said bag and connected to the lower end of said main suspension portion of said suspension member,said bag when inflated being of spheroidal shape and of substantially the size of a conventional tennis ball,said bag when deflated being of limply-drooping vertically-elongated shape,said bag in response to impact with a tennis racquet travelling upon a forward flight at relatively high speed and upon a return flight at a greatly retarded speed in response to the decelerating effect of air resistance upon the bag. ;

  • and an attachment device connected to said pivot portion of said suspension member and having an adhesive layer thereon adapted to be adhesively secured to the overhead support,said reversely-directed surplus portion having a suspension member length adjuster consisting of a cord-retaining slider containing an aperture and connected to the lower end of said surplus portion and slidably engaging and encircling said main suspension portion.

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