Combined batters' and catcher's box marking frame

Details Combined batters' and catcher's box marking frame Combined batters' and catcher's box marking frame

1983-03-18

1985-04-16

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

273 25, A63C 1906

Patent

active

045106924

ABSTRACT:
A template for marking batters' and catcher's boxes of a ball diamond in conformance with league or other standard regulations. Included is a rectangular frame with dimensions having a preselected relationship to the two types of boxes, an index arm for positioning the frame relative to a home plate for marking a batters' box, and indicia on the frame for locating a catcher's box relative to the previously marked batters' box. Optionally, the frame and index arm dimensions are adjustable, and plural sets of indicia are provided for marking the two types of boxes in conformance with different standard regulations. Additionally, the template may be collapsible for reducing it into a more compact unit.

REFERENCES:
patent: 134919 (1873-01-01), Moore
patent: 662388 (1900-08-01), Bassett
patent: 838371 (1906-04-01), Bender
patent: 937816 (1909-10-01), Koerner
patent: 999725 (1911-08-01), Adams
patent: 1004471 (1911-09-01), Rose
patent: 1633996 (1925-01-01), Narrow
patent: 1674882 (1925-12-01), Bloomfield
patent: 2733513 (1956-02-01), Gatineau
patent: 3889379 (1975-06-01), Cline
patent: 3934351 (1976-01-01), Sullivan
patent: 4001063 (1977-01-01), Vaida

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