# US 10,245,495 B2 · Tennis training device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,495 B2 - Document ID: US10245495B2 - Status: Granted - Kind: B2 - Application number: 15/786,525 - Filed: 2017-10-17 - Published: 2018-04-19 - Granted: 2019-04-02 - Earliest claimed: 2016-10-18 - Applicants: Josef Dagn - Inventors: Josef Dagn - Web page: https://patentgrep.com/patent/US10245495B2 ## CPC - A63B 69/38: for tennis {(A63B61/006, A63B69/0073 and A63B69/0097 take precedence)} - A63B 43/002: {with special configuration, e.g. non-spherical (discs for throwing A63B65/10)} - A63B 69/0091: {Balls fixed to a movable, tiltable or flexible arm} - A63B 21/0087: {of the piston-cylinder type (using hydraulic piston-cylinder type force resistors A63B21/0083)} - A63B 21/02: using resilient force-resisters - A63B 43/008: {with means for improving visibility, e.g. special markings or colours (illuminating or reflecting means A63B43/06)} - A63B 2071/0063: {Shock absorbers} - A63B 2071/025: {on rollers or wheels} - A63B 2071/026: {stabilised by weight} - A63B 2209/00: Characteristics of used materials - A63B 2209/08: magnetic - A63B 2210/50: Size reducing arrangements for stowing or transport - A63B 2220/53: Force of an impact, e.g. blow or punch - A63B 2225/09: Adjustable dimensions - A63B 2225/093: Height - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract A tennis training device is provided, comprising a support bar which is swivelable between a first and a second stop in its longitudinal direction, wherein at the free end of the support bar a ball is mounted by means of a connecting ember, which is releasably fixed by means of a fixing means. Furthermore, the invention relates to different embodiments of a training unit. ## Claims ### Claim 1 Tennis training device, comprising a support bar (5) supporting a ball (1) and swivelable between a first stop (8) and a second stop (9) at a base, wherein the ball (1) is mounted at the free end of the support bar, characterised in that the ball (1) is mounted at a connecting member (20) which is releasably fixed at the free end of the support bar by a fix ng cans (20.2), wherein the ball (1) is mounted at the connecting member (20) in such a way as to be movable in different directions by means of an elastic extension (1a) which protrudes in radial direction from the ball, and wherein a plate (20.3) is mounted at the connecting member (20) for supporting the ball (1). ### Claim 2 Tennis training device, comprising a support bar (5) supporting a ball (1) and swivelable between a first stop (8) and a second stop (9) at a base, wherein the ball (1) is mounted at the free end of the support bar, characterised in that the ball (1) is mounted at a connecting member (20) which is releasably fixed at the free end of the support bar by a fixing means (20.2), wherein the ball (1) is mounted at the connecting member (20) in such a way as to be movable in different directions by means of an elastic extension (1a) which protrudes in radial direction from the ball, wherein a plate (20.3) is mounted at the connecting member (20) for supporting the ball (1) and wherein the plate (20.3) is curved concave on the side of the ball. ### Claim 3 Tennis training device comprising a support bar (5) supporting a ball (1) and swivelable between a first stop (8) and a second stop (9) at a base, wherein the ball (1) is mounted at the free end of the support bar, characterised in that the ball (1) is mounted at a connecting member (20) which is releasably fixed at the free end of the support bar by a fixing means (20.2), wherein the ball (1) is mounted at the connecting member (20) in such a way as to be movable in different directions by means of an elastic extension (1a) which protrudes in radial direction from the ball, and wherein a hook member or tensioning member (22) is mounted at the extension (1a) of the ball (1) and is hookable in openings (3.2) at the end of the support bar in order to keep the ball (1) under tension in relation to the connecting member (20). ### Claim 4 Tennis training device comprising support bar (5) supporting a ball (1) and swivelable between a first stop (8) and a second stop (9) at a base, wherein the ball (1) is mounted at the free end of the support bar, characterised in that the ball (1) is mounted at a connecting member (20) which is releasably fixed at the free end of the support bar by a fixing means (20.2), wherein the ball is supported rotatable at the connecting member (20), wherein the connecting member (20) has a cross-sectional profile which corresponds to that of the hollow cross-section of the end of the support bar, so the connecting member is insertable in the support bar, and wherein the connecting member (20) is fixable by means of screws (20.2) to the support bar and the shaft of the screw engages in a longitudinal slot (3.1) of the support bar. ### Claim 5 (depends on 4) Tennis training device according to claim 4, wherein the connecting member (20) is formed such that the rotational axis (2) of the ball (1) takes up an angle to the longitudinal direction of the support bar. ### Claim 6 Tennis training device comprising a support bar (5) supporting a ball (1) and swivelable between a first stop (8) and a second stop (9) at a base, wherein the ball (1) is mounted at the free end of the support bar, characterised in that the ball (1) is mounted at a connecting member (20) which is releasably fixed at the free end of the support bar by a fixing means (20.2), wherein the ball (1) is mounted at the connecting member (20) in such a way as to be movable in different directions by means of an elastic extension (1a) which protrudes in radial direction from the ball, wherein a plate (20.3) is mounted at the connecting member (20) for supporting the ball (1), and wherein a training unit is mounted at a chassis (200) overhead on a rod (200a) in a height-displaceable manner and an identical training device is mounted at the opposite side of the chassis (200) in an upright position. ### Claim 7 (depends on 1, 4, 6) Tennis training device according to any one of claims 1, 4 and 6, wherein the support bar (5) is elongated by means of a section rod (3), at the free end of which the connecting member (20) is exchangeably fixed and the section rod (3) is swivelably connected to the support bar in the direction of stroke and in the longitudinal direction of the support bar (5).