Retractable football yardage measuring apparatus

Details Retractable football yardage measuring apparatus Retractable football yardage measuring apparatus

1990-01-08

1991-02-05

Cuchlinski, Jr., William A.

Geometrical instruments

Distance measuring

By flexible tape

33762, 33761, G01B 310

Patent

active

049893416

ABSTRACT:
The preferred embodiment of the invention features a yardage measuring device for determining the position of the ball on the field after each play, or down, in a football game. The device locks the chain at any given amount of advancement and a see-through window represents the exact distance from the nose of the ball to the nearest yardline. An alternate embodiment can be used as a replacement for the standard 10 yard chain.

REFERENCES:
patent: 537082 (1895-04-01), Stuart
patent: 1684566 (1928-09-01), Winkler
patent: 2064745 (1936-12-01), Harrie
patent: 2151130 (1939-03-01), Mattsson et al.
patent: 2335105 (1943-11-01), Browning
patent: 4397091 (1983-08-01), Gustavsson et al.
patent: 4756087 (1988-07-01), Sing

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