Drawing indicator for bows

Details Drawing indicator for bows Drawing indicator for bows

1977-01-13

1979-01-16

Pinkham, Richard C.

Mechanical guns and projectors

Spring

Bow

124 87, 124 88, 340372, F41B 500

Patent

active

041343832

ABSTRACT:
A bow drawing indicator for attachment to a bow and including a switch device having a spring operating arm extending therefrom for movement in one direction to successively contact and close two different circuit contacts, a flexible member connecting said arm to said bowstring to move said operating arm to circuit closing positions with drawing movement of said bowstring, a pair of indicator lights, and power circuits connecting individually to the lights to actuate one light on partial tensioning of said bowstring and to actuate the second light on continued drawing of said bowstring.

REFERENCES:
patent: 3450122 (1969-06-01), Diamond
patent: 3597555 (1971-08-01), Gould
patent: 3643052 (1972-02-01), Marshall
patent: 3866592 (1975-02-01), Carella
patent: 3867920 (1975-02-01), Westphal

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