Protective sleeve for a padlock

• US 6,467,316 B1
• Filed: 08/24/2000
• Issued: 10/22/2002
• Est. Priority Date: 08/24/2000
• Status: Expired due to Fees

• Current Assignee: Waterson Chen
• Original Assignee: Waterson Chen
• Inventors: Chen, Waterson
• Primary Examiner(s): BARRETT, SUZANNE LALE DINO
• Application Number:
  US09/645,925
• Time in Patent Office: 789 Days
• Field of Search: 70/54--56, 704/16, 704/17, 704/23, 704/24, 704/27, 704/55
• US Class Current: 70/56
• CPC Class Codes: E05B 17/002 Weather or dirt protection E05B15/029, E05B17/14 take precedence; for vehicle locks E05B77/34
• CPC Class Codes: E05B 17/18 shaped as lids or slides E05B17/142, E05B17/145, E05B17/147 take precedence
• CPC Class Codes: E05B 17/188 flexible
• CPC Class Codes: E05B 67/02 Cases
• CPC Class Codes: Y10T 70/498 Shields or canopies
• CPC Class Codes: Y10T 70/7915 Tampering prevention or attack defeating
• CPC Class Codes: Y10T 70/7955 Keyhole guards
• CPC Class Codes: Y10T 70/8649 Keyhole covers

Abstract

A protective sleeve for a padlock includes a sleeve body having an open inserting end adapted for insertion of a lock body of the padlock into the sleeve body, a restricting end opposite to the inserting end and adapted for abutting against the lock body, and a surrounding wall extending between the inserting end and the restricting end and adapted to wrap fittingly around the lock body. The sleeve body is formed with a key opening adapted to be aligned with a keyhole of the lock body. A cover flap is hinged to the sleeve body at the key opening, and is movable pivotally between an open position adapted for permitting access to the keyhole, and a closed position adapted for closing the keyhole. The cover flap is formed with a plug adapted to be inserted into the keyhole when the cover flap is moved to the closed position.

Claims

1. A protective sleeve for a lock body of a padlock, the lock body having a first end formed with a keyhole and a second end with a shackle mounted thereon, said protective sleeve comprising:

a sleeve body having an open inserting end adapted to permit insertion of the lock body thereinto, a restricting end opposite to said inserting end and adapted for abutting against the lock body when the padlock is inserted into the sleeve body, and a surrounding wall extending between the inserting end and the restricting end and adapted to wrap fittingly around the lock body, said sleeve body being formed with a key opening adapted to be aligned with the keyhole of the lock body; and

a cover flap hinged to said sleeve body at said key opening, said cover flap being movable pivotally between an open position adapted for permitting access to the keyhole of the lock body, and a closed position adapted for closing the keyhole of the lock body, said cover flap being formed with a plug which is adapted to be inserted into the keyhole when said cover flap is moved to the closed position.

2. The protective sleeve as claimed in claim 1, wherein said sleeve body and said cover flap are formed integrally from a stretchable material.

3. The protective sleeve as claimed in claim 2, wherein the stretchable material is plastic.

4. The protective sleeve as claimed in claim 1, wherein said key opening is disposed at said open inserting end, said restricting end being formed with an abutment wall adapted to abut against the lock body and a pair of shackle holes on opposite sides of said abutment wall and adapted to permit the shackle of the padlock to extend out of said sleeve body.

5. The protective sleeve as claimed in claim 4, wherein said key opening has a size larger than that of said cover flap such that said key opening has a finger hole portion formed adjacent to said cover flap when said cover flap is disposed at the closed position, said finger hole portion being adapted to permit extension of a finger thereinto for moving said cover flap to the open position.

6. The protective sleeve as claimed in claim 4, wherein said sleeve body is formed as a hollow rectangular body.

7. The protective sleeve as claimed in claim 1, wherein said key opening is disposed at said open inserting end, said restricting end having an end wall adapted to abut against the lock body, said end wall being formed with a shackle hole adapted to permit the shackle of the padlock to extend out of said sleeve body.

8. The protective sleeve as claimed in claim 7, wherein said sleeve body is formed as a hollow rectangular body.

9. The protective sleeve as claimed in claim 1, wherein said key opening is formed in said surrounding wall, said restricting end of said sleeve body being formed with an abutment wall adapted to abut against the lock body, and a pair of openings on opposite sides of said abutment wall and adapted to permit parts of the lock body to extend out of said sleeve body.

10. The protective sleeve as claimed in claim 9, wherein said sleeve body is formed as a hollow rectangular body.

11. The protective sleeve as claimed in claim 1, wherein said key opening is disposed at said restricting end.

12. The protective sleeve as claimed in claim 11, wherein said sleeve body is formed as a hollow cylindrical body.

13. The protective sleeve as claimed in claim 1, wherein said surrounding wall has an outer surface formed with at least one bumper strip.

14. The protective sleeve as claimed in claim 13, wherein said bumper strip extends around said surrounding wall.

15. The protective sleeve as claimed in claim 13, wherein said bumper strip extends between said inserting end and said restricting end.

16. The protective sleeve as claimed in claim 1, wherein the said plug of said cover flap has a cross-section formed as three-quarters of a circle.

17. A padlock and protective sleeve assembly, comprising:

a padlock having a lock body, the lock body having a first end formed with a keyhole and a second end with a shackle mounted thereon;

a protective sleeve, comprising;

a sleeve body having an open inserting end adapted to permit insertion of the lock body thereinto, a restricting end opposite to said inserting end and adapted for abutting against the lock body when the padlock is inserted into the sleeve body, and a surrounding wall extending between the inserting end and the restricting end and adapted to wrap fittingly around the lock body, said sleeve body being formed with a key opening adapted to be aligned with the keyhole of the lock body; and

a cover flap hinged to said sleeve body at said key opening, said cover flap being movable pivotally between an open position adapted for permitting access to the keyhole of the lock body, and a closed position adapted for closing the keyhole of the lock body, said cover flap being formed with a plug which is adapted to be inserted into the keyhole when said cover flap is moved to the closed position.