# US 2014/0152231 A1 · Dolly Charger

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- Number: US 2014/0152231 A1
- Document ID: US20140152231A1
- Status: Published application
- Kind: A1
- Application number: 13/689,771
- Filed: 2012-11-30
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Inventors: Pao-Feng Li
- Web page: https://patentgrep.com/patent/US20140152231A1

## CPC

- H02J 7/731: {specially adapted for holding portable devices containing batteries (H02J7/751 takes precedence)}
- H02J 7/342: {The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging (with circuits for polarity protection H02J7/68)}
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY

## Abstract

This present invention provides a compact and portable dolly charger with amusing appearance, particularly for use outdoors. It has the following features; an interesting and specific pattern of appearance, a doll body having a major accommodating space and a secondary accommodating space, a charging socket located across the major accommodating space and the surface of the doll body for fitting of a power line to a portable electronic device, a modular battery box located in the secondary accommodating space and electrically connected to the charging socket and a printed circuit board, a printed circuit board electrically connected to the charging socket and capable of outputting the electric power of the modular battery box to a portable electronic device via the charging socket and a power line, the secondary accommodating space having an opening for installing the modular battery box and a capping plate for closing the opening.

## Claims

### Claim 1

A dolly charger comprises:
a) a doll body (1) having a pattern of appearance, a major accommodating space (10), and a secondary accommodating space (20), and wherein the secondary accommodating space (20) has an opening (201) for installing a battery box (3) and a capping plate (5) for closing the opening (201);
b) a charging socket (2) mounted across the major accommodating space (10) and the surface of the doll body (1) for fitting of a power line to a portable electronic device (30);
c) a printed circuit board (4) having positive and negative connecting tabs (41, 42) for the battery box (3), electrically connected to the charging socket (2), and capable of outputting the electric power of the battery box (3) to a portable electronic device (30) via the charging socket (2) and a power line; and
d) wherein the battery box (3), that is located in the secondary accommodating space (20) and electrically connected to the printed circuit board (4) and the charging socket (2), further has
i) a frame (31) comprising a top cap (311) and two first supporting walls (312),
ii) a bottom seat (32) having a second supporting wall (321), capable of snapping with the first supporting walls (312), and having first, secondary, third containing rooms (40, 50, 60) for putting batteries (100) between the first supporting walls (312) and the second supporting wall (321),
iii) a positive pole (33) mounted on the top surface of the top cap (311),
iv) a negative pole (34) mounted on the top surface of the top cap (311), adjacent to the positive pole (33), but not electrically connected with the positive pole (33),
v) a first conducting part (35) mounted on the bottom surface of the top cap (311) and corresponding to the first containing room (40),
vi) a second conducting part (36) mounted on the bottom seat (32) and having two terminals corresponding to the first and third containing rooms (40, 60) respectively,
vii) a third conducting part (37) mounted on the bottom surface of the top cap (311) and having two terminals corresponding to the second and third containing rooms (50, 60) respectively, and
viii) a fourth conducting part (38) having two terminals that one is mounted on the top cap (311) and connected with the negative pole (34), another is mounted on the bottom seat (32) and corresponding to the second containing room (50).

### Claim 2 (depends on 1)

The dolly charger of claim 1,
a) wherein the doll body (1) comprises a head (11), an upper body (12), a lower body (13), and two arms (14); and
b) wherein the charging socket (2) can be mounted on the head (11), the upper body (12), the lower body (13), or the arm (14).

### Claim 3 (depends on 1)

The dolly charger of claim 1,
a) wherein the bottom seat (32) has a snap fastener (322) for snapping with a snap hook (313) of the first supporting wall (312); and
b) wherein the bottom seat (32) further has
i) a first positioning groove (323) corresponding to one terminal of the second conducting part (36),
ii) a second positioning groove (324) corresponding to another terminal of the second conducting part (36), and
iii) a third positioning groove (325) corresponding to one terminal of the fourth conducting part (38).

### Claim 4 (depends on 1)

The dolly charger of claim 1,
a) wherein the positive pole (33) has a thin slice (331) going through the top cap (311) and being fixed by the first conducting part (35); and
b) wherein the negative pole (34) is screwed onto the top cap (311), connects with a hooking loop (381) of the fourth conducting part (38), and fix the hooking loop (381) onto the top cap (311).

### Claim 5 (depends on 1)

The dolly charger of claim 1, wherein the second supporting wall (321) has a screw hole (61) and a screw nut (6) those can connect and fix the second supporting wall (321) and the frame (31).

### Claim 6 (depends on 1)

The dolly charger of claim 1, wherein the doll body (1) has mounting of light emitting diodes (7) controlled by a switch button (8).
