EP0304317A1 - Tennis-Übungshilfe - Google Patents
Tennis-Übungshilfe Download PDFInfo
- Publication number
- EP0304317A1 EP0304317A1 EP88307700A EP88307700A EP0304317A1 EP 0304317 A1 EP0304317 A1 EP 0304317A1 EP 88307700 A EP88307700 A EP 88307700A EP 88307700 A EP88307700 A EP 88307700A EP 0304317 A1 EP0304317 A1 EP 0304317A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rebound
- ball
- damper
- mesh
- head portion
- 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.)
- Withdrawn
Links
Images
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
- A63B69/0097—Ball rebound walls
-
- 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
- A63B69/0053—Apparatus generating random stimulus signals for reaction-time training involving a substantial physical effort
Definitions
- the present invention relates to sports aids which provide a rebound surface for a ball, and more particularly but not exclusively to a tennis practice aid.
- Typical rebound surfaces are described in US Patents 4 489 941; 4 239 235; 3 563 455; 3 180 643; 2 333 098; as well as British Patent 18900 and German Patent 2 248 933.
- the devices disclosed in these publications all possess a rebound surface which is uniform and accordingly, the rebound qualities of the ball are predictable. Although in some instances the rebound surface may be divided into sub-surfaces, again the sub-surfaces are generally uniform and accordingly the return qualities of the ball are again predictable.
- a rebound device for a ball game, said device comprising a frame to rest upon a support surface, a rebound surface supported by the frame and against which the ball may be hit to be returned to a user, said rebound surface being defined by a generally planar sheet material which is deformed by the ball impacting thereagainst, and rebound varying means fixed to said rebound surface and adapted to influence the projection and/or velocity of a rebounding ball having impacting against the rebound surface at or adjacent said rebound varying means as compared to a ball impacting against said rebound surface at a position remote from said rebound varying means.
- a rebound damper to be fixed to a flexible rebound sheet of a rebound device, which sheet has a front rebound surface against which a ball impacts to be returned by the device, and a rear surface; said damper having: a head portion to abut said rebound surface so as to project away from said rebound surface; a securing portion to abut said rear surface; a neck joining said head portion and securing portion, which neck portion is adapted to pass through said rebound sheet; and wherein said head portion has outwardly facing surface irregularities which engage the ball to vary the projection and/or velocity of the rebounding ball.
- FIGs 1 and 2 there is schematically depicted a tennis practice aid 10 to rest on a ground surface.
- the tennis practice aid 10 consists of a frame 11 which supports a sheet of woven mesh 12 providing a rebound surface 15 against which a tennis ball is hit, to return the tennis ball to the user.
- the mesh 12 is deformed and deflected thereby.
- the frame 11 includes a rectangular sub-frame 13 which directly supports the mesh 12.
- the frame 11 further includes a pair of upright frame members 14 which directly support the sub-frame 13 and attach to the net base 16.
- the rectangular sub-frame 13 includes horizontal frame members 17 and vertical frame members 18.
- the frame members 14 are attached adjacent their upper and lower portions to the vertical frame members 18.
- the net base 16 includes a frame 19 which includes two side sub-frames 20 of generally triangular configuration, with each sub-frame 20 having a wheel 21.
- a cross member 22 extends between the two sub-frames 20, as well as a pair of brace members 23.
- Extending between the sub-frames 19 and 20 is a net 24 which has its upper edge positioned so as to approximate the upper edge of a normal tennis net.
- the frame members 14 are telescopically received within the tubular portions 25 of the sub-frames 19 and 20. Accordingly, the frame 11 may be removed from the net base 16 so that the net base 16 may be used solely as a net with a player on each side.
- This configuration is depicted in Figure 2.
- the rebound dampers 26 have a head portion 27 and a securing portion 28 joined by a neck 29.
- the head portion 12 is provided with surface irregularities 30 in the form of projections 31 which extend away from the mesh 12.
- the projections 31 are ridges which extend radially from the centre of the head portion 27.
- the projections 31 have longitudinally extending apexes 32, with the cross section of each projection 31 diminishing radially from the centre of the head portion 27.
- each projection 31 has generally planar side surfaces 33 inclined by an angle of approximately 50 to 70 degrees, but more preferably 60 degrees. In this particular embodiment, there are five projections 31.
- the rebound damper 26 is moulded from plastics material or a natural or synthetic rubber.
- the rebound damper 26 can be arranged in any desired pattern on the mesh 12.
- a user upon directing a ball at the mesh 12 will not be able to anticipate all the ball returns since a ball impacting against or adjacent one of the rebound dampers 26 will not behave in a predictable manner. For example, if a ball lands directly on one of the rebound dampers 26, the ball may drop very rapidly and/or change in direction, relative to a ball which would strike the mesh at a position spaced from the rebound dampers 26.
- dampers 35 (Figure 10A) may be used.
- the dampers 35 have a front surface 36 and a central aperture 37.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
- Vibration Dampers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU383687 | 1987-08-19 | ||
AU3836/87 | 1987-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0304317A1 true EP0304317A1 (de) | 1989-02-22 |
Family
ID=3694307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88307700A Withdrawn EP0304317A1 (de) | 1987-08-19 | 1988-08-19 | Tennis-Übungshilfe |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0304317A1 (de) |
JP (1) | JPH01158977A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2348612A (en) * | 1999-04-07 | 2000-10-11 | Andrew Mckay Sinclair | Throwing and catching net |
GB2377646A (en) * | 2001-06-02 | 2003-01-22 | Heras Uk Fencing Systems Ltd | Rebound panel for a ballcourt |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3456945A (en) * | 1966-09-02 | 1969-07-22 | William R Epply | Folding sports screen |
DE2308082A1 (de) * | 1973-02-19 | 1974-08-22 | Aake Olof Gabriel Stockman | Beim ueben von ballspielen anzuwendende rueckprallvorrichtung |
US4239235A (en) * | 1977-01-06 | 1980-12-16 | Torres Remy G | Training device for football or for all games using a small or large ball |
DE3039675A1 (de) * | 1980-10-21 | 1982-05-06 | Axel von 8200 Rosenheim Lengerke | Uebungswand fuer ballspiele, insbesondere uebungstenniswand |
US4489941A (en) * | 1982-09-21 | 1984-12-25 | Shieh Shin Shi | Sports net apparatus |
DE3527830A1 (de) * | 1985-08-02 | 1987-02-05 | Metzeler Kautschuk | Prallwand fuer tennis-training |
-
1988
- 1988-08-19 EP EP88307700A patent/EP0304317A1/de not_active Withdrawn
- 1988-08-19 JP JP63204833A patent/JPH01158977A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3456945A (en) * | 1966-09-02 | 1969-07-22 | William R Epply | Folding sports screen |
DE2308082A1 (de) * | 1973-02-19 | 1974-08-22 | Aake Olof Gabriel Stockman | Beim ueben von ballspielen anzuwendende rueckprallvorrichtung |
US4239235A (en) * | 1977-01-06 | 1980-12-16 | Torres Remy G | Training device for football or for all games using a small or large ball |
DE3039675A1 (de) * | 1980-10-21 | 1982-05-06 | Axel von 8200 Rosenheim Lengerke | Uebungswand fuer ballspiele, insbesondere uebungstenniswand |
US4489941A (en) * | 1982-09-21 | 1984-12-25 | Shieh Shin Shi | Sports net apparatus |
DE3527830A1 (de) * | 1985-08-02 | 1987-02-05 | Metzeler Kautschuk | Prallwand fuer tennis-training |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2348612A (en) * | 1999-04-07 | 2000-10-11 | Andrew Mckay Sinclair | Throwing and catching net |
US6299554B1 (en) * | 1999-04-07 | 2001-10-09 | Sinclair Andrew Mckay | Throwing and catching net |
GB2348612B (en) * | 1999-04-07 | 2003-10-22 | Andrew Mckay Sinclair | Throwing and catching net |
GB2377646A (en) * | 2001-06-02 | 2003-01-22 | Heras Uk Fencing Systems Ltd | Rebound panel for a ballcourt |
GB2377646B (en) * | 2001-06-02 | 2003-10-08 | Heras Uk Fencing Systems Ltd | Ballcourt rebound panel |
Also Published As
Publication number | Publication date |
---|---|
JPH01158977A (ja) | 1989-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19890823 |