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US 2012/0291503 A1Published application
Door Locking System With An Idle Handle
AssigneeNingbo Yongfa Group Co., Ltd.,
InventorsZaifu Yang, Zhongwei Cao
Life of this patent
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Abstract
A door locking system with an idle handle has a door panel having a front face, a rear face, a hinged side, a free side, an upper side, a lower side, and an electronic lock and a mechanical lock installed in the door panel respectively having a keypad and a keyhole on the front face. The system further has a level toggler, at least one bolt, a chamber defined therein, a handle seat, a handle lever, a latch lever, a linking arm, a swivel pillar, a paddle shifter, an upright toggler, and an handle lever resume spring.
Claims6
A door locking system with an idle handle comprising:
- a door panel having a front face, a rear face, a hinged side, a free side, an upper side, a lower side, and an electronic lock and a mechanical lock installed in said door panel respectively having a keypad and a keyhole on said front face,
- a level toggler being slidable with respect to said door panel between a hinged side limit and a free side limit and having an L-shaped guiding groove with an upright section and a level section,
- at least one bolt linked to and controlled by said level toggler,
- a chamber defined in said door panel,
- a handle seat being received and securely fixed in said chamber and having a recess in said front face,
- a handle lever being received in said recess and having a hinged end pivotally linked to said handle seat and a free end,
- a latch lever controlled by said mechanical lock and having a latch finger formed thereon,
- a linking arm having one end securely fixed to said hinged end and a free linking end,
- a swivel pillar having a rectangular cross section and a lower end securely fixed to said free linking end of said linking arm,
- a paddle shifter having a top side protrusion slidably received in said guiding groove and a bottom with a rectangular opening slidably covering on said swivel pillar,
- an upright toggler being slidable with respect to said door panel between an upper side limit and a lower side limit and having a bottom plate touching and being fixed to said bottom of said paddle shifter and having an arc-shaped pillar opening covering on said swivel pillar, a top opening receiving said latch finger, and a side arm, and,
- a handle lever resume spring fixed between said linking arm and said door panel pulling said handle lever to press on said recess.
9 more elements
Dependencies are inferred from the claim text.