GB253990A - Improvements in or relating to the manufacture of tennis and like rackets - Google Patents
Improvements in or relating to the manufacture of tennis and like racketsInfo
- Publication number
- GB253990A GB253990A GB777125A GB777125A GB253990A GB 253990 A GB253990 A GB 253990A GB 777125 A GB777125 A GB 777125A GB 777125 A GB777125 A GB 777125A GB 253990 A GB253990 A GB 253990A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- racket frame
- blocks
- contour
- gauge
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/22—Manufacture or reconditioning of specific semi-finished or finished articles of sport articles, e.g. bowling pins, frames of tennis rackets, skis, paddles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
Abstract
253,990. Deeman, S. March 23, 1925. Rackets.-Tennis and like rackets are manufactured by bending the racket frame roughly to shape, applying the wedge (previously cut to its true shape) in position between the handle portions of the frame and securing by glue or otherwise, clamping the roughly constructed racket frame upon a gauge of determined contour, removing the excess material from the interior of the frame, clamping the frame upon another gauge and removing the excess material from the exterior of the frame. The racket frame a, Fig. 3, with the wedge a<1> in position is placed in the first gauge comprising a base c fitted with a sliding upper portion d. A wooden block d<2> is secured to the sliding portion, and two blocks c<4> are secured to the base so that the racket frame may be calmped between the blocks by operating a screw e. A central space c<1> corresponding to the inner contour of the racket frame is enclosed by the parts, and a, lap joint c<3> ensures un unbroken contour during adjustment. After clamping, the excess material is removed from the interior of the frame and from the upper edge of the wedge. The frame is now transferred to the gauge shown in Fig. 5, comprising a base plate f with a movable upper part g to which is attached a wooden block g<1> having a contour corresponding to the interior of the upper portion of the racket frame. The base plate f has two pairs of lugs f<1>, f<2> through which two bolts f<3> are arranged to slide. The bolts are secured at their upper ends to the movable part g. A cross bar h is slidably mounted on the bolts and carries a wooden block h<1> having an exterior contour corresponding to the interior of the lower portion of the racket frame. After positioning the racket frame on the blocks g', h', the blocks may be moved apart by rotating two cams g<2>, h<2> by a suitable operating key thus clamping the racket frame in readiness for trimming the outer contour. The cam g<2> effects the coarse adjustment, finer adjustment being effected by the cam h<2>. Springs i<1>, i<2> return the blocks after release by the cams. A pin f<5> acts as an additional guide for the lower block. The wedge piece a' is shaped before assembling within the frame, by the use of a known form of gauge shown in Fig. 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB777125A GB253990A (en) | 1925-03-23 | 1925-03-23 | Improvements in or relating to the manufacture of tennis and like rackets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB777125A GB253990A (en) | 1925-03-23 | 1925-03-23 | Improvements in or relating to the manufacture of tennis and like rackets |
Publications (1)
Publication Number | Publication Date |
---|---|
GB253990A true GB253990A (en) | 1926-06-23 |
Family
ID=9839397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB777125A Expired GB253990A (en) | 1925-03-23 | 1925-03-23 | Improvements in or relating to the manufacture of tennis and like rackets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB253990A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490536A1 (en) * | 1980-09-25 | 1982-03-26 | Ghanassia Josette | Method of making veneer covering for curved furniture - involves sticking bands of laminate together in split modules of suitable dimensions |
-
1925
- 1925-03-23 GB GB777125A patent/GB253990A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2490536A1 (en) * | 1980-09-25 | 1982-03-26 | Ghanassia Josette | Method of making veneer covering for curved furniture - involves sticking bands of laminate together in split modules of suitable dimensions |
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