# US 11,444,472 B2 · Portable power bank with card storage function

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- Number: US 11,444,472 B2
- Document ID: US11444472B2
- Status: Granted
- Kind: B2
- Application number: 16/879,764
- Filed: 2020-05-21
- Published: 2021-05-13
- Granted: 2022-09-13
- Earliest claimed: 2019-11-07
- Applicants: Yin Ping Pierre Yu
- Inventors: Ka Yin Tsui
- Web page: https://patentgrep.com/patent/US11444472B2

## CPC

- A45C 11/182: {Credit card holders}
- H02J 7/751: {concerning the insertion or the connection of the batteries}
- A45C 11/18: Ticket-holders or the like
- A45C 15/00: Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other {objects or} articles (A45C1/08, A45C3/14, {A45C11/321, A45C13/28} take precedence)
- G06F 13/4282: {on a serial bus, e.g. I2C bus, SPI bus (on daisy chain buses G06F13/4247)}
- G06F 2213/0042: Universal serial bus [USB]
- A45C: PURSES; LUGGAGE; HAND CARRIED BAGS
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A portable power bank with card storage function include a portable power bank module and a card case module; the portable power bank module and the card case module are slidably connected via a connector; the portable power bank module is provided with a guiding mounting rod; the guiding mounting rod is mounted in a sliding slot of the connector; the sliding slot is recessed inwards with an opening at each end thereof; the portable power bank module is assembled to the sliding slot via the guiding mounting rod; one side of the card case module is provided with a connecting strap which is hollow inside and opens at both ends; the connecting strap is connected to the connector via a connecting shaft. This invention has the advantages of providing users with the convenience of card storage and serving as a contingency power supply for supplying power to electronic devices. It serves multiple functions and is convenient for actual use. It is easy to carry, helps to prevent loss of properties, and suitable for users' needs. The card case module and the portable power bank module can be dissembled and used separately.

## Claims

### Claim 1

A portable power bank with card storage function, wherein the portable power bank comprises a portable power bank module and a card case module; the portable power bank module and the card case module are slidably connected via a connector; the portable power bank module is provided with a guiding mounting rod; the guiding mounting rod is mounted in a sliding slot of the connector; the sliding slot is recessed inwards with an opening at each end thereof; the portable power bank module is assembled to the sliding slot via the guiding mounting rod; one side of the card case module is provided with a connecting strap which is hollow inside and opens at both ends; the connecting strap is connected to the connector via a connecting shaft.

### Claim 2 (depends on 1)

The portable power bank with card storage function as in claim 1, wherein the portable power bank module comprises a lower lid, a middle frame, an upper lid and a battery; the battery is locked in a case formed by the lower lid, the middle frame and the upper lid; a PCBA board electrically connected to the battery is positioned inside the case; the PCBA board is further provided with an input/output port; the PCBA board is mounted on the middle frame and the input/output port is exposed outside the case.

### Claim 3 (depends on 1)

The portable power bank with card storage function as in claim 1, wherein the input/output port is a Type-C port.

### Claim 4 (depends on 1)

The portable power bank with card storage function as in claim 1, wherein the connecting shaft is a metal round rod.

### Claim 5 (depends on 1)

The portable power bank with card storage function as in claim 1, wherein the card case module is provided with slots on both sides for receiving cards.