US2023051137A1PendingUtilityA1

Ball game racket frame with improved torsion

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Assignee: HEAD TECHNOLOGY GMBHPriority: Aug 11, 2021Filed: Aug 10, 2022Published: Feb 16, 2023
Est. expiryAug 11, 2041(~15.1 yrs left)· nominal 20-yr term from priority
Inventors:Harald RosenkranzRalf SchwengerStefan MohrWolfgang Schlor
A63B 2102/02A63B 49/03A63B 2049/0203A63B 2049/0204
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PatentIndex Score
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Cited by
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References
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Claims

Abstract

The present invention relates to a ball game racket frame with improved torsional behavior.

Claims

exact text as granted — not AI-modified
1 . A ball game racket frame comprising a head portion ( 1 ), a handle portion ( 2 ) and a throat ( 3 ) connecting the head portion ( 1 ) to the handle portion ( 2 ) and comprising two throat beams ( 4 ), wherein each of the throat beams ( 4 ) merges into the handle portion ( 2 ) at a respective first transition cross-section ( 5 ) and merges into the head portion ( 1 ) at a respective second transition cross-section ( 6 ), wherein, at a distance of 10 mm from the respective first transition cross-section ( 5 ), each of the throat beams ( 4 ) has a first cross-sectional profile ( 7 ) having a first frame width (A) and a first frame height, wherein, at a distance of 10 mm from the respective second transition cross-section ( 6 ), each of the throat beams ( 4 ) has a second cross-sectional profile ( 8 ) having a second frame width (B) and a second frame height, wherein the ratio of the second frame width (B) to the first frame width (A) is at least 1.15 and the longitudinal extension (C) of the throat ( 3 ) is at least 105 mm. 
     
     
         2 . The ball game racket frame according to  claim 1 , wherein the ratio of the second frame width (B) to the first frame width (A) is at least 1.20. 
     
     
         3 . The ball game racket frame according to  claim 1 , wherein the longitudinal extension (C) of the throat ( 3 ) is at least 110 mm. 
     
     
         4 . The ball game racket frame according to  claim 1 , wherein the first frame width (A) is at most 13.0 mm. 
     
     
         5 . The ball game racket frame according to  claim 1 , wherein the first frame width (A) is at most 12.0 mm. 
     
     
         6 . The ball game racket frame according to  claim 1 , wherein the ratio of the second frame height to the first frame height is at most 1.25. 
     
     
         7 . The ball game racket frame according to  claim 1 , wherein the ratio of the second frame height to the first frame height is at most 1.20. 
     
     
         8 . The ball game racket frame according to  claim 1 , wherein the second frame width (B) is at most 20.0 mm. 
     
     
         9 . The ball game racket frame according to  claim 1 , wherein the second frame width (B) is at most 18.0 mm. 
     
     
         10 . A ball game racket frame comprising a head portion ( 1 ), a handle portion ( 2 ) and a throat ( 3 ) connecting the head portion ( 1 ) to the handle portion ( 2 ) and comprising two throat beams ( 4 ), wherein each of the throat beams ( 4 ) merges into the handle portion ( 2 ) at a respective first transition cross-section ( 5 ) and merges into the head portion ( 1 ) at a respective second transition cross-section ( 6 ), wherein, at a distance of 10 mm from the respective first transition cross-section ( 5 ), each of the throat beams ( 4 ) has a first cross-sectional profile ( 7 ) having a first frame width (A) and a first frame height, wherein, at a distance of 10 mm from the respective second transition cross-section ( 6 ), each of the throat beams ( 4 ) has a second cross-sectional profile ( 8 ) having a second frame width (B) and a second frame height, wherein the ratio of the second frame width (B) to the first frame width (A) is at least 1.10 and the first frame width is at most 12.5 mm. 
     
     
         11 . The ball game racket frame according to  claim 10 , wherein the first frame width (A) is at most 12.0 mm. 
     
     
         12 . The ball game racket frame according to  claim 10 , wherein the longitudinal extension (C) of the throat ( 3 ) is at least 100 mm. 
     
     
         13 . The ball game racket frame according to  claim 10 , wherein the longitudinal extension (C) of the throat ( 3 ) is at least 105 mm. 
     
     
         14 . The ball game racket frame according to  claim 10 , wherein the ratio of the second frame width (B) to the first frame width (A) is at least 1.15. 
     
     
         15 . The ball game racket frame according to  claim 10 , wherein the ratio of the second frame height to the first frame height is at most 1.25. 
     
     
         16 . The ball game racket frame according to  claim 10 , wherein the ratio of the second frame height to the first frame height is at most 1.20. 
     
     
         17 . The ball game racket frame according to  claim 10 , wherein the second frame width (B) is at most 20.0 mm. 
     
     
         18 . The ball game racket frame according to  claim 10 , wherein the second frame width (B) is at most 18.0 mm. 
     
     
         19 . The ball game racket frame according to  claim 1 , wherein the first frame height is at most 26.0 mm. 
     
     
         20 . The ball game racket frame according to  claim 1 , wherein the second frame height is at most 25.0 mm. 
     
     
         21 . The ball game racket frame according to  claim 10 , wherein the first frame height is at most 26.0 mm. 
     
     
         22 . The ball game racket frame according to  claim 10 , wherein the second frame height is at most 25.0 mm.

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