Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1997-11-24
1999-09-07
Fulton, Christopher W.
Geometrical instruments
Straight-line light ray type
Structurally installed
124 87, F41G 146
Patent
active
059468122
ABSTRACT:
A pin sight assembly is provided which can be secured in a pin sight mounting assembly, which in turn, is mounted to a bow. The pin sight assembly includes a casing. A first member is received in one end of the casing and is positionally fixed relative to the casing, preferably by a force fit. A second member is received in the casing to be axially movable relative to the casing and the first member. A pin which passes through the first and second members and extends beyond the first and second members. The pin is positionally fixed relative to the first member, for example by a set screw. A cap receives a back end of said pin to hold the assembly together. A resilient member is positioned between the first and second members to bias the second member and hence the pin away from the first member. The cap is rotatable relative to the housing and, rotation of the cap moves the pin and the second member axially relative to the casing and the first member. The first and second members each include a body and a leg extending from a surface of the body. The legs of the first and second member extend toward each other in the casing. The legs each define complimentary arcs in end elevation, and cooperate with each other to prevent rotation the second member and hence the pin while the pin is moved axially when the cap is rotated.
REFERENCES:
patent: 4414751 (1983-11-01), Mathews
patent: 4462163 (1984-07-01), Tentler et al.
patent: 4875290 (1989-10-01), Finch
patent: 5509402 (1996-04-01), Sappington
patent: 5524601 (1996-06-01), Slates et al.
Denk Paul M.
Fulton Christopher W.
Toxonics Manufacturing Inc.
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