Snap-fit separable mobile backup power supply

• US 9,203,250 B2
• Filed: 02/20/2012
• Issued: 12/01/2015
• Est. Priority Date: 02/20/2012
• Status: Expired due to Fees

• Current Assignee: Meichan Wen
• Original Assignee: Meichan Wen
• Inventors: Wen, Meichan
• Primary Examiner(s): LIN, SUN J
• Application Number:
  US13/994,983
• Publication Number:
  US 20140028258A1
• Time in Patent Office: 1,380 Days
• Field of Search: 320/114
• US Class Current: 1/1
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H04M 1/0283 for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate

Abstract

A snap-fit separable mobile phone backup power supply comprises a protective sleeve fitted with a battery-charging module. The battery-charging module further comprises a matching bottom cover and an isolation plate, forming a cavity to house a circuit motherboard and a rechargeable battery. The circuit motherboard is fitted with a terminal to accommodate a mobile phone'"'"'s charging specificity. A terminal cover shields the terminal, and is fixed to the isolation plate. Various snap-fit connections are disclosed to secure the protective sleeve with the battery-charging module while charging the phone. The overall structure is compact, small, and portable.

Claims

1. A separable backup power supply for a mobile phone, the backup power supply comprising:

a protective sleeve;

a battery-charging module, wherein the battery-charging module comprises;

a bottom cover;

a matching isolation plate fitted on top of the bottom cover to create a cavity to house a rechargeable battery and a circuit motherboard;

a terminal fitted onto one end of the rechargeable battery and the circuit motherboard to accommodate a mobile phone'"'"'s charging specificity; and

a translucent terminal cover;

a snap-fit connection to securely join the protective sleeve with the battery-charging module, and to transfer power from the rechargeable battery to the mobile phone.

2. The backup power supply of claim 1, wherein the snap-fit connection further comprises a movable clasp on the bottom cover, and a corresponding receiving slot on the protective sleeve.

3. The backup power supply of claim 1, wherein the snap-fit connection further comprises:

a T-shaped snap-fit component fixed on the isolation plate;

a narrowed opening on a bottom surface of the protective sleeve;

a step structure along an edge of the opening on the bottom surface of the protective sleeve to receive the snap-fit component; and

at least one pair of protrusions along the step structure.

4. The backup power supply of claim 1, wherein the snap-fit connection further comprises:

at least one pair of concave troughs along an end portion of the bottom cover; and

at least one pair of clamping strips to engage the troughs along corresponding edges of the protective sleeve.

5. The backup power supply of claim 1, wherein the bottom cover of the battery-charging module further comprises at least one fixing clip to secure the rechargeable battery.

6. The backup power supply of claim 1, wherein corresponding locations on the protective sleeve and the battery-charging module are hollowed out to accommodate camera lens for the mobile phone.