Multifunctional padlock having shackle limit knob
First Claim
Patent Images
1. A padlock, comprising:
- a housing;
a shackle movably mounted on the housing and having a root section extended into the housing and a free section having a first end extended from the root section and a second end extended outside of the housing;
a limit knob movably mounted on the housing to control movement of the free section of the shackle;
a movable member movably mounted in the limit knob; and
a first locking mechanism mounted in the housing and comprising a key lock unit and a movable shaft mounted on the key lock unit wherein the key lock unit is configured to control movement of the limit knob and has a key hole to receive a matching key; and
the movable shaft is driven to move the movable member when the key or an insert is inserted into the key hole of the key lock unit;
wherein the limit knob includes a knob body rotatably mounted on the housing and having an outer portion formed with a receiving recess to receive the free section of the shackle and an inner portion formed with a receiving chamber to receive the movable member, and a base portion extended from the knob body into the housing to connect the key lock unit, wherein the receiving recess has a central portion formed with a first opening and a peripheral wall formed with a second opening connected to the first opening.
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Abstract
A padlock includes a housing, a shackle, a limit knob, a movable member and a first locking mechanism. The shackle is movably mounted on the housing and has a root section extended into the housing and a free section having a first end extended from the root section and a second end extended outside of the housing. The limit knob is movably mounted on the housing to control movement of the free section of the shackle. The movable member is movably mounted in the limit knob. Additionally, the first locking mechanism is mounted in the housing to control movement of the limit knob and the movable member.
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Citations
16 Claims
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1. A padlock, comprising:
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a housing; a shackle movably mounted on the housing and having a root section extended into the housing and a free section having a first end extended from the root section and a second end extended outside of the housing; a limit knob movably mounted on the housing to control movement of the free section of the shackle; a movable member movably mounted in the limit knob; and a first locking mechanism mounted in the housing and comprising a key lock unit and a movable shaft mounted on the key lock unit wherein the key lock unit is configured to control movement of the limit knob and has a key hole to receive a matching key; and
the movable shaft is driven to move the movable member when the key or an insert is inserted into the key hole of the key lock unit;wherein the limit knob includes a knob body rotatably mounted on the housing and having an outer portion formed with a receiving recess to receive the free section of the shackle and an inner portion formed with a receiving chamber to receive the movable member, and a base portion extended from the knob body into the housing to connect the key lock unit, wherein the receiving recess has a central portion formed with a first opening and a peripheral wall formed with a second opening connected to the first opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A padlock comprising:
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a housing; a shackle movably mounted on the housing and having a root section extended into the housing and a free section having a first end extended from the root section and a second end extended outside of the housing; a limit knob comprising a knob body and a base portion extended from the knob body into the housing;
the knob body being movably disposed on the outside of the housing to control movement of the free section of the shackle and defining a receiving recess therein to receive the free section of the shackle;a movable member capable of moving on the limit knob; and a first locking mechanism comprising a key lock unit mounted in the housing and a movable shaft mounted on the key lock unit;
the key lock unit being connected with the base portion to control movement of the knob body of the limit knob and having a key hole to receive a matching key; and
the movable shaft being driven to move the movable member to an indicative position which is on the knob body of the limit knob when the key or an insert is inserted into the key hole of the key lock unit. - View Dependent Claims (13, 14, 15, 16)
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Specification