An electric padlock includes a lock casing, a shackle member, a latch member, and a battery cap unit. The lock casing is formed with a receiving space for receiving a battery unit, a battery access hole, and an insert groove disposed adjacent to the battery access hole. The latch member is received
An electric padlock includes a lock casing, a shackle member, a latch member, and a battery cap unit. The lock casing is formed with a receiving space for receiving a battery unit, a battery access hole, and an insert groove disposed adjacent to the battery access hole. The latch member is received in the lock casing, and is movable for locking and unlocking the shackle member relative to the lock casing. The battery cap unit includes a battery cap member mounted movably on the lock casing for closing selectively the battery access hole, and a retaining member provided movably on the battery cap member to engage the insert groove when in a retaining position such that opening movement of the battery cap member can be inhibited when the shackle member is locked on the lock casing.
대표청구항▼
I claim: 1. An electric padlock comprising: a lock casing confining a receiving space that is adapted for receiving a battery unit, and having a first end wall that is formed with first and second shackle insert holes, and a second end wall that is opposite to said first end wall and that is formed
I claim: 1. An electric padlock comprising: a lock casing confining a receiving space that is adapted for receiving a battery unit, and having a first end wall that is formed with first and second shackle insert holes, and a second end wall that is opposite to said first end wall and that is formed with a battery access hole, said battery access hole permitting insertion of the battery unit into and removal of the battery unit from said receiving space, said lock casing being formed with an insert groove in spatial communication with said receiving space and disposed adjacent to said battery access hole; 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; and a battery cap unit including a battery cap member mounted movably on said lock casing for closing selectively said battery access hole, and a retaining member provided movably on said battery cap member, disposed in said receiving space when said battery cap member closes said battery access hole, and movable between a retaining position, where said retaining member engages said insert groove so as to inhibit opening movement of said battery cap member, and a releasing position, where said retaining member is disengaged from said insert groove so as to permit opening movement of said battery cap member; wherein one of said first and second leg portions of said shackle member is provided with a release-control segment adjacent to said battery access hole such that, when said shackle member is un locked from said lock casing and is subsequently rotated relative to said lock casing, said release-control segment is capable of driving movement of said retaining member from the retaining position to the releasing position. 2. The electric padlock as claimed in claim 1, wherein said retaining member includes an insert portion for removable engagement with said insert groove, and a driven portion transverse to said insert portion and driven by said release-control segment. 3. The electric padlock as claimed in claim 2, wherein said release-control segment is formed with a bottom end part disposed to abut against said second end wall, and a drive part for driving said driven portion of said retaining member, said drive part being disposed above and being angularly offset from said bottom end part, wherein, when said shackle member is unlocked from said lock casing, is subsequently rotated relative to said lock casing, is then pressed toward lock casing to result in abutment between said bottom end part of said release-control segment and said second end wall of said lock casing, and is thereafter rotated further relative to said lock casing, said drive part drives said driven portion to move said retaining member from the retaining position to the releasing position. 4. The electric padlock as claimed in claim 3, wherein said release-control segment is further formed with a base part disposed above said drive part and angularly offset from said bottom end part and said drive part, said base part being disposed immediately above said retaining member when said battery cap member closes said battery access hole and said shackle member is locked to said lock casing. 5. The electric padlock as claimed in claim 1, wherein said battery cap member is connected pivotally to said second end wall of said lock casing. 6. The electric padlock as claimed in claim 5, further comprising a pivot axle for connecting pivotally said battery cap member to said second end wall. 7. The electric padlock as claimed in claim 1, wherein said battery cap unit further includes a biasing unit for biasing said retaining member to the retaining position. 8. The electric padlock as claimed in claim 7, wherein said biasing unit includes a torsion spring. 9. The electric padlock as claimed in claim 2, wherein said battery cap member is formed with a guide channel in sliding engagement with said insert portion for guiding movement of said retaining member on said battery cap member. 10. The electric padlock as claimed in claim 1, wherein said battery cap member has a top side to confront said receiving space and formed with a battery positioning seat adapted for positioning the battery unit received in said receiving space. 11. The electric padlock as claimed in claim 1, wherein said first leg portion is longer than said second leg portion and is formed with said release-control segment. 12. The electric padlock as claimed in claim 1, further comprising a biasing member for biasing said shackle member away from said second end wall of said lock casing. 13. The electric padlock as claimed in claim 11, wherein said shackle groove is formed in said second leg portion of said shackle member. 14. The electric padlock as claimed in claim 1, further comprising an electric control unit received in said receiving space, coupled to said latch member, and adapted to draw electric power from the battery unit in said receiving space, said electric control unit being operable so as to drive movement of said latch member from the locking position to the unlocking position.
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이 특허에 인용된 특허 (13)
Michael Reed Thomas CA; Norman William Osborne CA; Gaetano Nino Ricca CA, Digital electronic lock.
Danler Richard W. (Corvallis OR) Sherman John W. (Corvallis OR) Babler David (Vancouver WA) Chapin Ron M. (Gervais OR) Kniffin John M. (Portland OR) Reviea Kenneth L. (Salem OR) Schreiner Lynn L. (Co, Electronic security system.
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