Measuring and testing – Hardness – Scleroscope or rebound
Patent
1993-05-07
1995-02-21
Goldstein, Herbert
Measuring and testing
Hardness
Scleroscope or rebound
73 1214, G01N 300
Patent
active
053905342
ABSTRACT:
Apparatus to test for the impact strength of a game racket comprising a base plate having an upper surface; a support post extending upwardly from the upper surface of the base plate; a pivot arm having a first end and a second end with clamping components adjacent to the first end adapted to releasably secure the racket to be tested with at least a portion thereof extending beyond the first end; a pivot pin rotatably coupling the second end of the pivot arm to the support post adjacent to its upper end; a pointer coupled to the second end of the pivot arm; an indicator plate with indicia thereon cooperable with the pointer to indicate the angle of the pointer, pivot arm and racket supported thereon with respect to the vertical; and an impact place secured to the upper surface of the base plate, the impact plate having a striking surface with a central extent at a location to be in point contact with the frame of a racket to be tested when supported by the swing arm when in a vertical orientation whereby the swing arm and racket may be pivoted away from the impact plate and released to determine the impact strength of the racket and frame.
REFERENCES:
patent: 1240416 (1917-09-01), Buckwalter
patent: 1984904 (1934-12-01), Warshaw et al.
patent: 2022666 (1935-12-01), Haskell et al.
patent: 2359044 (1944-09-01), MacBride
patent: 2388246 (1945-11-01), Berger
patent: 2396620 (1946-03-01), Taxwood
patent: 2476297 (1949-07-01), Harris
patent: 2506607 (1950-05-01), McKendry
patent: 3083564 (1963-04-01), Carter
patent: 3157046 (1964-11-01), Orner
patent: 3566668 (1971-03-01), Browning et al.
patent: 3855842 (1974-12-01), Imabori et al.
patent: 4523759 (1985-06-01), Igarashi
Biegel R.
Goldstein Herbert
Lisco Inc.
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