Relay assembly for optical sight
First Claim
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1. An optical sight comprising:
- a housing having a first bearing surface integrally formed therewith;
a relay assembly having at least one optical element, a main tube, and a track tube having at least one track, said track tube selectively rotatable relative to and about said main tube to adjust an axial position of said at least one optical element within said main tube along an axis that is substantially parallel to a longitudinal axis of said main tube, said main tube including a spherical surface that is in contact with said first bearing surface of said housing to define a pivot point of said main tube within said housing; and
a biasing element attached to said main tube, wherein said biasing element includes a first end fixed for movement with said main tube and a second end in contact with an inner surface of said housing, said biasing element exerting a force on said main tube when said main tube is installed in said housing.
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Abstract
An optical sight is provided and includes a housing having a first bearing surface integrally formed therewith and a relay assembly having at least one optical element, a main tube, and a track tube having at least one track. The track tube is selectively rotatable relative to and about the main tube to adjust an axial position of the at least one optical element within the main tube along an axis that is substantially parallel to a longitudinal axis of the main tube. The main tube includes a spherical surface that is in contact with the first bearing surface of the housing to define a pivot point of the main tube within the housing.
38 Citations
19 Claims
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1. An optical sight comprising:
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a housing having a first bearing surface integrally formed therewith; a relay assembly having at least one optical element, a main tube, and a track tube having at least one track, said track tube selectively rotatable relative to and about said main tube to adjust an axial position of said at least one optical element within said main tube along an axis that is substantially parallel to a longitudinal axis of said main tube, said main tube including a spherical surface that is in contact with said first bearing surface of said housing to define a pivot point of said main tube within said housing; and a biasing element attached to said main tube, wherein said biasing element includes a first end fixed for movement with said main tube and a second end in contact with an inner surface of said housing, said biasing element exerting a force on said main tube when said main tube is installed in said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optical sight comprising:
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a sight housing having a first bearing surface integrally formed therewith; a relay assembly having at least one optical element and a relay housing including a main tube and a track tube having at least one track, said track tube selectively rotatable relative to and about said main tube to adjust an axial position of said at least one optical element within said main tube along an axis that is substantially parallel to a longitudinal axis of said main tube, said relay housing including a spherical surface that is in contact with said first bearing surface of said sight housing to define a pivot point of said relay housing within said sight housing; and a biasing element attached to said relay housing, wherein said biasing element includes a first end fixed for movement with said main tube and a second end in contact with an inner surface of said sight housing, said biasing element exerting a force on said main tube when said main tube is installed in said sight housing. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An optical sight comprising:
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a housing having a first bearing surface integrally formed therewith; a relay assembly having at least one optical element, a main tube, and a track tube having at least one track, said track tube selectively rotatable relative to and about said main tube to adjust an axial position of said at least one optical element within said main tube along an axis that is substantially parallel to a longitudinal axis of said main tube, said main tube including a spherical surface that is in contact with said first bearing surface of said housing to define a pivot point of said main tube within said housing; an end cap providing said relay assembly with said spherical surface, said end cap attached to said main tube; and a retainer disposed between said end cap and said track tube, said retainer operable to engage said track tube to restrict movement of said track tube in a direction substantially parallel to said longitudinal axis of said main tube, wherein said retainer is threadably attached to said end cap. - View Dependent Claims (18, 19)
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Specification