GB1357479A - Ball projector device - Google Patents

Ball projector device

Info

Publication number
GB1357479A
GB1357479A GB2158772A GB2158772A GB1357479A GB 1357479 A GB1357479 A GB 1357479A GB 2158772 A GB2158772 A GB 2158772A GB 2158772 A GB2158772 A GB 2158772A GB 1357479 A GB1357479 A GB 1357479A
Authority
GB
United Kingdom
Prior art keywords
ball
cylinder
balls
projector
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2158772A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1357479A publication Critical patent/GB1357479A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
    • A63B69/409—Stationarily-arranged devices for projecting balls or other bodies with pneumatic ball- or body-propelling means
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2208/00—Characteristics or parameters related to the user or player
    • A63B2208/12—Characteristics or parameters related to the user or player specially adapted for children

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)
  • Stereoscopic And Panoramic Photography (AREA)

Abstract

1357479 Ball projecting device K STOLL 9 May 1972 [10 July 1971] 21587/72 Heading A6D A device for projecting balls, e.g. tennis balls for practising return strokes, includes a container 20 for storing balls, and a feed device 21, 24 for delivering one ball at a time to a position 2 in a projector cylinder 1 from which the ball is projected by compressed air controlled by a valve 5. As shown, one end of the projector cylinder 1 comprises a pressure chamber 3 communicating with the valve 5, which opens in response to a timer mechanism 11, and a store 6. The store 6 is fed with compressed air from a container (8) (Fig. 2, not shown) which is supplied by a pair of compressors (9, 10). A motor driven paddle 22 in the container 20 ensures that a feed pipe 21 is always full of balls. The projector cylinder I comprises an inner, slidable cylinder 24 which closes an aperture 25 in an outer cylinder 23 during projection of a ball but which is momentarily advanced by pneumatic controls means (not shown) to a position 27 just long enough to allow the next ball 2a to fall through the aperture 25 to the projection position. The cylinder 24 is retracted and the valve 5 opens to eject the ball A sound muffler 12 may be provided. The projector cylinder I is pivotable about vertical and horizontal axes and adjustable in height on telescopic tubes 13a, 13b to obtain a desired ball trajectory.
GB2158772A 1971-07-10 1972-05-09 Ball projector device Expired GB1357479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712134616 DE2134616A1 (en) 1971-07-10 1971-07-10 Throwing device ideally suited for training purposes

Publications (1)

Publication Number Publication Date
GB1357479A true GB1357479A (en) 1974-06-19

Family

ID=5813341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2158772A Expired GB1357479A (en) 1971-07-10 1972-05-09 Ball projector device

Country Status (5)

Country Link
CH (1) CH561553A5 (en)
DE (1) DE2134616A1 (en)
FR (1) FR2145917A5 (en)
GB (1) GB1357479A (en)
IT (1) IT951307B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097157A (en) * 2019-12-02 2020-05-05 湖南文理学院 Triple-beat sports single training serving device and method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE416705B (en) * 1978-02-27 1981-02-02 Torsten & Andersson Kaj DEVICE FOR BALL EXPOSURE
FR2524811A1 (en) * 1982-04-08 1983-10-14 Sumsky Kh Polit SIMULATOR LAUNCHER OF BALES FOR EXAMPLE TENNIS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097157A (en) * 2019-12-02 2020-05-05 湖南文理学院 Triple-beat sports single training serving device and method
CN111097157B (en) * 2019-12-02 2021-02-05 湖南文理学院 Triple-beat sports single training serving device and method

Also Published As

Publication number Publication date
DE2134616A1 (en) 1973-01-25
CH561553A5 (en) 1975-05-15
IT951307B (en) 1973-06-30
FR2145917A5 (en) 1973-02-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees