Golfing aids

Games using tangible projectile – Golf – Body movement or position indicator

Reexamination Certificate

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Details

C473S266000, C473S269000

Reexamination Certificate

active

07048641

ABSTRACT:
An aid for visual detection of a golfer's head movement, constructed of card or plastics sheet includes a black-faced sighting member that has a circular aperture there through and is hinged to a base member Adjustment of the inclination of the sighting member to the base member brings a black disc-marking line sight through the aperture. Lugs of a stay member which is hinged to the sighting member for setting the sighting-member inclination are held engaged in selected notches of the base member by a sprung-up tongue; in an alternative form of aid a stay member engages in transverse slots. Head movement is observed as apparent movement of the disc-marking within the aperture.

REFERENCES:
patent: 4143877 (1979-03-01), Jeffries
patent: 4181307 (1980-01-01), Krene et al.
patent: 4383687 (1983-05-01), Wolff
patent: 4483536 (1984-11-01), Mitchell
patent: 4789159 (1988-12-01), Kane
patent: 5116058 (1992-05-01), Theriault
patent: 5375844 (1994-12-01), Waud
patent: 5951409 (1999-09-01), Calley
patent: 430844 (1935-06-01), None
patent: 2 269 755 (1994-02-01), None
patent: 2 292 892 (1996-03-01), None
patent: 2 308 070 (1997-06-01), None
patent: WO 82/03018 (1982-09-01), None
patent: WO 00/06261 (2000-02-01), None

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