BATTERY HOLDER FOR A LIGHTED ARCHERY NOCK

• US 20090098960A1
• Filed: 10/10/2008
• Published: 04/16/2009
• Est. Priority Date: 10/10/2007
• Status: Active Grant

• Current Assignee: Grace Engineering Corporation
• Original Assignee: Grace Engineering Corporation
• Inventors: Brywig, John H.
• Granted Patent: US 7,993,224 B2
• Time in Patent Office: Days
• US Class Current: 473/578
• CPC Class Codes: F21V 33/008 Leisure, hobby or sport articles, e.g. toys, games or first-aid kits; Hand tools; Toolboxes
• CPC Class Codes: F42B 6/06 Tail ends, e.g. nocks, fletching

Abstract

The present invention generally relates to a lighted archery nock. The lighted archery nock generally includes an accelerometer, a replaceable battery, a light, a housing, and a microprocessor that controls illumination of the light. The microprocessor can control the timing of the light to save battery life and respond to user input transmitted by tapping the nock to re-set the light. The housing is configured with a plurality of fingers that interact with the replaceable battery to hold it in place.

Claims

1. A lighted archery nock assembly adapted for attachment to an arrow comprising:

an arrow nock;

a replaceable battery including electrical contacts and an annular groove;

circuitry including electrical contacts that selectively engage said electrical contacts of said replaceable battery to form an electrical connection, said circuitry including;

an accelerometer that provides an accelerometer output indicative of acceleration of said lighted archery nock where the arrow is shot from an archery bow by a user;

a light source visible through at least a portion of said arrow nock; and

a controller that controls illumination of said light source as a function of said accelerometer output;

a housing joined with at least one of said arrow nock and said circuitry, and selectively joined with said replaceable battery, said housing being elongate and generally tubular;

wherein said housing includes a plurality of tabs terminating at corresponding inwardly protruding end projections, said inwardly protruding end projections selectively engaging said annular groove of said replaceable battery to ensure that said replaceable battery maintains contact with said electrical contacts of said circuitry;

wherein said plurality of tabs define a battery holding aperture;

wherein said plurality of tabs are deformable so that said plurality of tabs open from a closed position upon initial insertion of said replaceable battery into said battery holding aperture, but said plurality of tabs return toward the closed position to engage said annular groove of said replaceable battery, thereby holding said replaceable battery in a secured configuration relative to the nock assembly.

2. The lighted archery nock assembly of claim 1

wherein said electrical contacts of said replaceable battery include:

an axially configured male electrical contact; and

an axially configured surface electrical contact;

wherein said electrical contacts of said circuitry include;

an axially configured female electrical contact that selectively accepts said axially configured male electrical contact of said replaceable battery; and

an axially configured male electrical contact located radially from said axially configured female electrical contact that selectively contacts said axially configured surface electrical contact of said replaceable battery.

3. The lighted archery nock assembly of claim 1 wherein a spacing member encircles said replaceable battery to maintain a centrality of said replaceable battery within an arrow shaft.

4. The lighted archery nock assembly of claim 1 wherein each projection is configured to rest within said groove of said rechargeable battery.

5. The lighted archery nock assembly of claim 1 wherein said removable battery is removable by at least one of lifting said plurality of tabs and pulling said rechargeable battery with sufficient force to disengage said rechargeable battery from said plurality of tabs.

6. The lighted archery nock assembly of claim 1 wherein said arrow nock includes a central axis and each of said replaceable battery, said circuitry, and said housing are positioned to have a center of mass on said central axis, such that said nock assembly is sufficiently balanced.

7. A lighted archery nock assembly comprising:

an arrow nock;

a light source;

an elongate replaceable battery including an annular groove defined at a first end, said replaceable battery selectively electrically coupled to said light source; and

a housing joined with said arrow nock and said replaceable battery, said housing including a plurality of deformable, resilient tabs extending longitudinally adjacent said replaceable battery that selectively engage said annular groove of said replaceable battery to ensure that said replaceable battery remains selectively electrically coupled to said light source.

8. The lighted archery nock assembly of claim 7

wherein said replaceable battery includes:

an axially configured pin battery contact;

an axially configured ring battery contact; and

wherein said light source includes;

an axially configured bore that selectively accepts said pin battery contact

an axially configured pin located radially from said bore that selectively contacts said ring battery contact.

9. The lighted archery nock assembly of claim 7 wherein a spacing member encircles the replaceable battery to maintain the centrality of the replaceable battery within an arrow shaft.

10. The lighted archery nock assembly of claim 7 wherein each tab includes an elongate finger portion that terminates at an inwardly protruding end projection, said elongate finger portion adapted to resiliently flex relative to other portions of said housing.

11. The lighted archery nock assembly of claim 10 wherein each inwardly protruding end projection is configured to fit within and engage said groove of said rechargeable battery.

12. The lighted archery nock assembly of claim 7 wherein said plurality of tabs cooperate with other portions of said housing to define a battery holding aperture.

13. The lighted archery nock assembly of claim 12 wherein said plurality of tabs or fingers are deformable so that they open slightly upon initial insertion of said rechargeable battery into said battery holding aperture, but return to their former position to engage said annular groove of said rechargeable battery.

14. The lighted archery nock assembly of claim 7 wherein said housing is elongate and generally tubular, said housing circumferentiating at least a portion of said replaceable battery, wherein at least two of said tabs are positioned on opposite sides of said replaceable battery.

15. A method for replacing a drained battery in a lighted archery nock assembly, the drained battery including an annular groove and the lighted archery nock assembly including a plurality of latching tabs for selectively engaging the annular groove of the battery, the method comprising:

pulling the drained battery with sufficient force to disengage the plurality of latching tabs of the lighted archery nock assembly from the annular groove of the drained battery;

inserting a charged battery with an annular groove into the archery nock assembly, wherein the plurality of latching tabs deform to allow insertion of the charged battery;

returning the plurality of latching tabs to their former position to engage the annular recess of the charged battery, thereby retaining the charged battery in electrical connection with the adapted nock assembly.

16. The method of claim 15 wherein during said pulling step, said plurality of tabs each flex and move radially outwardly from said annular groove.

17. The method of claim 15 comprising inserting at least a portion of the lighted arrow nock assembly in an arrow shaft.

18. The method of claim 15 wherein each of said latching tabs terminate with an inwardly protruding end projection and wherein said inserting the charged battery results in snap fitting said inwardly protruding end projections within said annular recess or groove of said charged battery.

19. The method of claim 15 wherein the charged battery includes:

an axially configured male electrical contact;

an axially configured surface electrical contact; and

wherein the archery nock assembly includes;

an axially configured female electrical contact that selectively accepts the male electrical contact of the charged battery;

an axially configured electrical contact located radially from the female electrical contact that selectively contacts the surface electrical contact of the charged battery; and

wherein said inserting the charged battery includes

     1) inserting the axially configured male electrical contact of the charged battery into the axially configured female electrical contact of the archery nock assembly; and

     2) engaging the axially configured surface electrical contact of the charged battery with the axially configured electrical contact of the archery nock assembly.

20. The method of claim 19 wherein the archery nock assembly includes a spring, wherein said inserting the charged battery includes engaging axially configured ring electrical contact of the charged battery with the spring to depress the spring;

and

wherein said returning the plurality of latching tabs to their former position includes applying force from the spring.

21. A lighted archery nock assembly adapted to be joined with an arrow shot from an archery bow, the lighted nock assembly comprising:

an arrow nock defining a groove adapted to engage a bowstring;

a light source;

a power source selectively electrically coupled to said light source; and

a housing selectively joined with said power source, said housing including an elongated portion that defines at least two apertures;

a circuit board having at least two edges, said circuit board including at least two tabs, one tab extending from each of said edges, wherein said at least two tabs engage said at least two apertures defined by said housing to secure said circuit board to said housing.

22. The lighted nock assembly of claim 21 wherein said edges are located on opposite sides of said circuit board, and lay generally in a plane.