Auxiliary lock with reinforcement structure
AssigneeTaiwan Fu Hsing Industrial Co., Ltd.
InventorsChao-Ming Huang, Jun-Kai Ko
Life of this patent
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Abstract
An auxiliary lock includes an inside housing mounted to a lock cylinder and a first flange extends axially from one of two ends of the inside housing. A mounting plate is mounted to the lock cylinder and contacts the inside housing. The mounting plate includes a second flange which is mounted to outside of the first flange of the inside housing. The lock cylinder is protected and reinforced in the radial direction by the overlapped first and second flanges. When the inside housing is hit, the inside housing does not expand outward to be pried up. The reinforcement structure is made by way of pressing to use less material and to reduce the manufacturing cost.
Claims19
An auxiliary lock comprising:
- an inside housing (1) being a tubular housing and mounted to a lock cylinder (2) in a radial direction of the inside housing (1), a first flange (11) extending axially from one of two ends of the inside housing (1), and
- a mounting plate (3) mounted to the lock cylinder (2) in an axial direction of the lock cylinder (2) and contacting the inside housing (1), the mounting plate (3) having a second flange (31) extending axially therefrom, the second flange (31) being mounted to an outside of the first flange (11) of the inside housing (1), wherein the second flange 31) includes a bent portion (311) which is formed by bending inward a distal end of the second flange (31), a space (312) is formed between the bent portion (311) and the second flange (31), the first flange (11) of the inside housing (1) is located in the space (312), the bent portion (311) is mounted to the outside of the first flange (11) of the inside housing (1).
An auxiliary lock comprising:
- an inside housing (1) being a tapered and tubular housing and including a first end (1a) and a second end (1b) which is larger than the first end (1a) of the inside housing (1), a first flange (11) extending axially from the second end (1b) of the inside housing (1), and
- a mounting plate (3) mounted to the lock cylinder (2) in an axial direction of the mounting plate (3) and contacting the inside housing (1), the mounting plate (3) having a second flange (31) extending axially therefrom, the second flange (31) being mounted to an outside of the first flange (11) of the inside housing (1), wherein the second flange (31) includes a bent portion (311) which is formed by bending inward a distal end of the second flange (31), a space (312) is formed between the bent portion (311) and the second flange (31), the first flange (11) of the inside housing (1) is located in the space (312), the bent portion (311) is mounted to the outside of the first flange (11) of the inside housing (1).
An auxiliary lock comprising:
- an inside housing (1) being a tubular housing and mounted to a lock cylinder (2) in a radial direction of the inside housing (1), a first flange (11) extending axially from one of two ends of the inside housing (1), and
- a mounting plate (3) mounted to the lock cylinder (2) in an axial direction of the lock cylinder (2) and contacting the inside housing (1), the mounting plate (3) having a second flange (31) extending axially therefrom, the second flange (31) being mounted to an outside of the first flange (11) of the inside housing (1),
- wherein the mounting plate (3) includes an annular face (32) extending therefrom and opposite to the inside housing (1),
- wherein an end face (33) is formed to a distal end of the annular face (32), the end face (33) including a protrusion (331) extending from an inside of the end face (33) which faces the lock cylinder (2), and
- wherein, when the mounting plate (3) is mounted to the lock cylinder (2), the protrusion (331) contacts the lock cylinder (2) in an axial direction of the lock cylinder (2).
Dependencies are inferred from the claim text.