IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0836086
(2004-04-30)
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발명자
/ 주소 |
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출원인 / 주소 |
- EZ Trend Technology Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
10 |
초록
▼
An electric padlock includes a lock casing, a shackle member, a latch member, and a battery cap member. The lock casing is formed with a battery compartment to receive a battery unit, and a battery access hole. The shackle member extends movably into the lock casing, and is formed with a shackle gro
An electric padlock includes a lock casing, a shackle member, a latch member, and a battery cap member. The lock casing is formed with a battery compartment to receive a battery unit, and a battery access hole. The shackle member extends movably into the lock casing, and is formed with a shackle groove. The latch member is received in the lock casing, and is movable to engage the shackle groove so as to lock the shackle member on the lock casing, and to disengage from the shackle groove so as to unlock the shackle member from the lock casing. The battery cap member is mounted movably on the lock casing to close the battery access hole, and is formed with a stop projection that engages the shackle member so as to inhibit opening movement of the battery cap member when the shackle member is locked on the lock casing.
대표청구항
▼
1. An electric padlock comprising:a lock casing having a first end wall formed with first and second shackle insert holes, a battery compartment that is adapted for receiving a battery unit, and a battery access hole that permits insertion of the battery unit into and removal of the battery unit fro
1. An electric padlock comprising:a lock casing having a first end wall formed with first and second shackle insert holes, a battery compartment that is adapted for receiving a battery unit, and a battery access hole that permits insertion of the battery unit into and removal of the battery unit from said battery compartment;an inverted U-shaped shackle member having first and second leg portions that are extended movably into said lock casing at said first and second shackle insert holes, respectively, one of said first and second leg portions being formed with a shackle groove;a latch member received in said lock casing and movable between a locking position in which said latch member engages said shackle groove so as to lock said shackle member on said lock casing, and an unlocking position in which said latch member is disengaged from said shackle groove so as to unlock said shackle member from said lock casing; anda battery cap member mounted movably on said lock casing for closing selectively said battery access hole, said battery cap member being formed with a stop projection that engages one of said first and second leg portions so as to inhibit opening movement of said battery cap member when said shackle member is locked on said lock casing, and that is disengaged from said one of said first and second leg portions so as to permit opening movement of said battery cap member when said shackle member is unlocked from said lock casing, wherein said lock casing further has a second end wall opposite to said first end wall, and a surrounding wall that extends between and that interconnects said first and second end walls, said battery access hole being formed in said second end wall and extending to said surrounding wall, said battery cap member being mounted slidably on said second end wall of said lock casing.2. The electric padlock as claimed in claim 1, wherein said battery access hole is defined by a pair of lateral wall portions and a distal wall portion that interconnects said lateral wall portions, said battery cap member having a pair of lateral sides slidably retained by said lateral wall portions of said battery access hole.3. The electric padlock as claimed in claim 2, wherein one of said lateral wall portions is formed with a slide groove, and one of said lateral sides of said battery cap member is formed with a slide projection that is slidable along said slide groove.4. The electric padlock as claimed in claim 2, wherein said distal wall portion is formed with a tongue engaging groove, said battery cap member being formed with a tongue projection that engages said tongue engaging groove when said battery cap member is disposed to close said battery access hole.5. The electric padlock as claimed in claim 2, wherein said battery cap member further has a curved wall portion that is opposite to said distal wall portion and that is flush with said surrounding wall when said battery cap member is disposed to close said battery access hole.6. The electric padlock as claimed in claim 2, wherein said first leg portion is longer than said second leg portion, said battery compartment being disposed adjacent to said first shackle insert hole, said battery access hole being registered with said battery compartment and said first shackle insert hole.7. The electric padlock as claimed in claim 6, wherein said first leg portion is disposed on one side of said stop projection opposite to said distal wall portion when said battery cap member is disposed to close said battery access hole and when said shackle member is locked on said lock casing.8. The electric padlock as claimed in claim 7, wherein said stop projection is configured to embrace a part of said first leg portion when said battery cap member is disposed to close said battery access hole and when said shackle member is locked on said lock casing.9. The electric padlock as claimed in claim 6, wherein said shackle groove is formed in said second leg portion.10. The electric padlock as claimed in claim 6, further comprising a biasing member disposed in said lock casing and acting on said first leg portion for biasing said first leg portion toward said first end wall.11. The electric padlock as claimed in claim 1, further comprising an electric operating unit mounted in said lock casing, coupled to said latch member, and adapted to draw electric power from the battery unit in said battery compartment, said electric operating unit being operable so as to drive movement of said latch member from said locking position to said unlocking position.12. The electric padlock as claimed in claim 11, wherein said electric operating unit includes a drive motor, a gear unit coupled to and driven by said drive motor, and a latch actuator coupled to said gear unit and driving movement of said latch member from said locking position to said unlocking position.13. The electric padlock as claimed in claim 12, wherein said battery compartment is disposed between said first shackle insert hole and said electric operating unit.
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