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Padlock

A padlock and lock beam technology, applied in the field of combination padlocks, can solve problems such as keys being easily lost or misplaced, inability to provide high-security padlocks, unpopular high-security padlocks, etc. The effect of durability

Active Publication Date: 2017-08-04
SUN LOCK COMPANY LIMITED -THE-
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High security padlocks that require a key to operate have become less popular due to the ease with which keys are often lost or misplaced and the proliferation of keys being carried by multiple people
However, prior art configurations have been unable to provide high security padlocks comprising a combination system (either independently or in combination with a key) for operating the padlock

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] Figure 1 to Figure 11B As seen in , the present invention relates to a combination padlock 10 having a lock body 30 of solid one-piece construction, wherein two bolts 140, 150 in the lock body 30 are arranged to lock the lock when the padlock 10 is in the locking mode. Short leg 21 and long leg 22 of beam 20 . The one-piece construction of the mandrel 120 is used to control the engagement and disengagement of the bolts 140 , 150 from the lock beam 20 . The one-piece construction of the lock body 30 and mandrel 120 enhances the durability of the padlock in tensile and impact testing. When the padlock 10 is in the locked mode, the arbor 120 is fully seated within the arbor channel 34 of the lock body 30 . However, when the padlock 10 is in the unlocked mode, the top portion of the arbor 120 is outside the arbor channel 34, thereby allowing easy readjustment of the padlock. Additionally, each dial 40 has a plurality of fail notches 42 to increase the level of difficult...

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PUM

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Abstract

A padlock has a shackle with a short leg and a long leg and a lock body having two partial channels to accommodate the short and long legs. Each of the short and long legs has a bolt groove to receive a bolt. The lock body also has a through channel for placing a spindle having a locking area and an unlocking groove. A plurality of dials and clutches mounted on the spindle control the spindle movement. When the padlock is in the locked mode, the spindle is located within the through channel such that the locking area pushes the bolts against the bolt grooves, preventing the shackle from being pulled upward. When dials match the combination code, the spindle can move upward to allow the bolts to move away from the bolt grooves toward the unlocking groove and the shackle can be pulled upward to unlock the padlock.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 62 / 288,070, filed January 28, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to padlocks, and more particularly, to combination padlocks configured for high integrity security applications. Background technique [0004] Numerous lock configurations have been developed and are widely used by individuals to prevent unauthorized personnel from entering and exiting closed and locked areas. While many locks are constructed to be opened with a key, numerous combination locks have been developed that open by learning a specific combination. [0005] One specific type of combination lock that has become very popular because of its ease and convenience of use is the combination lock that employs individual rotating dials, each of which includes markings, usually numbers or letters ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B37/22E05B67/00
CPCE05B37/0068E05B67/00E05B37/0058E05B37/025E05B67/22Y10T70/424E05B37/0048
Inventor 黎国豪
Owner SUN LOCK COMPANY LIMITED -THE-
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