Mechanical arrow nocks
First Claim
Patent Images
1. An arrow nock for mounting on an end of an arrow shaft, comprising:
- a housing having a longitudinal axis and having a set of first and second ends;
an impeller disposed along the longitudinal axis having a first end disposed within the housing and a second end disposed outside of the housing, wherein the impeller and the housing are moveable relative to each other;
wherein movement of the housing relative to the impeller occurs rotationally and freely about the longitudinal axis; and
,a retainer to capture at least one of the first or second end of the impeller within the housing.
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Abstract
An arrow nock having a telescoping impeller and housing with resilient means for enhancing the acceleration of launch. In various embodiments, effective together or independently, the housing and impeller are configured and coupled to: create arrow rotation during launch; grip the bowstring during notching and release it during launch; and generate tracking signals.
33 Citations
29 Claims
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1. An arrow nock for mounting on an end of an arrow shaft, comprising:
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a housing having a longitudinal axis and having a set of first and second ends; an impeller disposed along the longitudinal axis having a first end disposed within the housing and a second end disposed outside of the housing, wherein the impeller and the housing are moveable relative to each other; wherein movement of the housing relative to the impeller occurs rotationally and freely about the longitudinal axis; and
,a retainer to capture at least one of the first or second end of the impeller within the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An arrow nock for mounting on an end of an arrow shaft, comprising:
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a housing having a longitudinal axis and having a set of first and second ends; an impeller disposed along the longitudinal axis having a, first end disposed within the housing and a second end disposed outside of the housing, wherein the impeller and the housing are moveable relative to each other; a resilient member positioned to resist movement between the housing and the impeller; a locking member to hold the impeller in a fixed position relative to the housing; and
,a release member to release the locking member to permit movement of the impeller relative to the housing. - View Dependent Claims (19, 20)
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21. An arrow nock for mounting on an end of an arrow shaft, comprising:
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a housing having longitudinal axis and having a set of first and second ends; an impeller disposed along the longitudinal axis having first end disposed within the housing and a second end disposed outside of the housing wherein the impeller and the housing are moveable relative to each other; a means for engagement by a bowstring; a releasable gripper movable within the nock to selectively retain the bowstring, limiting disengagement of the bowstring prior to launch, and release the bowstring providing clear passage for the bowstring upon launch of the arrow. - View Dependent Claims (22, 23, 24, 25, 26)
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27. An arrow nock for mounting on an end of an arrow shaft, comprising:
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a housing having a longitudinal axis and having set of first and second ends; an impeller disposed alone the longitudinal axis having first end disposed within the housing and a second end disposed outside of the housing, wherein the impeller and the housing are moveable relative to each other; an energy source; an electrical component operative when connected to, the energy source; and
,a connector mounted on the housing and the impeller to connect the energy source and the electrical component when the housing is in a predetermined position relative to the impeller. - View Dependent Claims (28, 29)
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Specification