IP Library Granted Patent US 12,318,566
Granted Patent B2
US 12,318,566 · App. 18/621,886 · Granted Jun 3, 2025

Tattoo machine rechargeable battery unit with voltage controller

Inventors: Robert Smead (Goshen, IN); Christopher Sanford (Las Vegas, NV); Dahao Xuan (Brooklyn, NY)
Assignee: FK Irons Inc.
A61M37/0076H02J7/0045H02J7/0047H02J7/0063A61M2205/33A61M2205/505A61M2205/8206A61M2209/082A61M2210/04
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Quick Facts
Patent No.
US 12,318,566
App. No.
18/621,886
Granted
Jun 3, 2025
Kind
B2
Abstract

A compact battery and voltage supply controller apparatus for a tattoo machine is disclosed. The battery and controller are configured to connect the battery to the tattoo machine through replaceable internally received magnetic connection adapters. The toggle switch operated display screen provides easy-to-view status and health of the battery and incremental voltage adjustment using a voltage boost circuit and adjustment knob. The internal battery can be replaced and/or removed and recharged.

Claims (37)

1. A tattoo device, comprising:

a tattoo machine having a power end;

a battery housing having a battery and a tattoo machine connection end comprising a mounting interface with a portion that extends away from the battery;

wherein the mounting interface of the tattoo machine connection end has an internal mounting face and an insertion cavity formed by the portion that extends away from the battery and that receives at least a portion of a removable adapter;

wherein the internal mounting face electrically couples to the removable adapter; and

wherein the removable adapter electrically couples to the tattoo machine electrical connector to receive a supply of power from the battery.

2. The tattoo device of claim 1 , further comprising a display screen.

3. The tattoo device of claim 2 , wherein the display screen is selectively arranged between left-handed and right-handed information presentation.

4. The tattoo device of claim 1 , wherein the battery is compatible with different tattoo machines.

5. The tattoo device of claim 1 , wherein the battery provides a plurality of power outputs.

6. The tattoo device of claim 1 , wherein the mounting interface provides a structural connection to the tattoo machine.

7. The tattoo device of claim 1 , wherein the mounting interface holds the battery housing to the tattoo machine.

8. The tattoo device of claim 2 , wherein the display screen is positioned on the battery housing, and wherein a portion of the battery housing is cylindrical and a portion of the battery housing forms a raised flat section where the display screen is located.

9. The tattoo device of claim 1 , wherein the battery housing is cylindrical.

10. The tattoo device of claim 2 , wherein the display screen is touch sensitive.

11. The tattoo device of claim 1 , wherein the display toggles to present a plurality of information.

12. The tattoo device of claim 2 , wherein the display screen turns off during use of the tattoo machine.

13. The tattoo device of claim 1 , further comprising a mounting interface adapter.

14. A tattoo device, comprising:

a tattoo machine having a power end;

a battery housing having a battery and a tattoo machine connection end comprising a mounting interface with a portion that extends away from the battery;

wherein the mounting interface of the tattoo machine connection end has an internal mounting face and an insertion cavity formed by the portion that extends away from the battery and that receives at least a portion of a tattoo machine electrical connector;

wherein the internal mounting face electrically couples to the tattoo machine electrical connector to receive a supply of power from the battery;

wherein the mounting interface of the tattoo machine connection end and the power end of the tattoo machine magnetically couple to each other; and

wherein the mounting interface of the tattoo machine connection end provides a structural connection to the tattoo machine such that the tattoo machine connection end of the battery housing holds the battery housing to the tattoo machine.

15. The tattoo device of claim 14 , further comprising as display screen, wherein the display screen is positioned on the battery housing, a portion of the battery housing is cylindrical and a portion of the battery housing forms a raised flat section where the display screen is located.

16. The tattoo device of claim 15 , wherein the display screen is rotatable.

17. The tattoo device of claim 15 , further comprising a voltage controller that provides voltage in accordance with user operational input via the input selector.

18. The tattoo device of claim 15 , further comprising a mounting interface adapter.

19. A tattoo device, comprising:

a tattoo machine having a power end;

a battery housing having a battery and a tattoo machine connection end comprising a mounting interface with a portion that extends away from the battery;

a voltage controller that provides an output of the battery;

wherein the mounting interface of the tattoo machine connection end has an internal mounting face and an insertion cavity formed by the portion that extends away from the battery and that receives at least a portion of a tattoo machine electrical connector of the tattoo machine, wherein the internal mounting face electrically couples to the tattoo machine electrical connector to receive a supply of power from the battery;

wherein the mounting interface of the tattoo machine connection end and the power end of the tattoo machine magnetically couple to each other; and

wherein the mounting interface of the tattoo machine connection end provides a structural connection to the tattoo machine such that the tattoo machine connection end of the battery housing holds the battery housing to the tattoo machine.

20. The tattoo device of claim 19 , further comprising a mounting interface adapter.

Assignments (4)
SECURITY INTEREST Recorded Apr 26, 2024
From: FK IRONS INC; INK PROJECTS LLC
To: BMO BANK N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 067239/0862 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2024
From: SMEAD, ROBERT; SANFORD, CHRISTOPHER; XUAN, DAHAO
To: ROOK INNOVATIVE SOLUTIONS, LLC
Reel/Frame 066977/0910 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2024
From: ROOK INNOVATIVE SOLUTIONS, LLC
To: SANFORD, CHRISTOPHER
Reel/Frame 066978/0555 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2024
From: ROOK INNOVATIVE SOLUTIONS, LLC; SANFORD, CHRISTOPHER
To: FK IRONS INC.
Reel/Frame 066978/0665 →
Continuity (6)
Continuation 18087369 · Dec 22, 2022
Continuation 17954226 · Sep 27, 2022
Continuation 17843695 · Jun 17, 2022
Continuation 16823900 · Mar 19, 2020
Provisional Application 62825020 · Mar 27, 2019
Related Publication 20240238571A1 · Jul 18, 2024
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