Electronic key device
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorsShozo Kito, Hiroyuki Sugiyama, Masahiro Ishikawa
Life of this patent
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Abstract
An electronic key device has a housing, a substrate unit, a battery holder, a key passage, and a key. A lock pin provided on the battery holder is biased toward the key by a spring. A distal end of the pin enter the key passage for retaining or locking the key. When the key is not being used, the key is covered by the pin. When the key is being used, the pin advances into a locking aperture of the key to lock the key. The pin locks the battery holder to the housing. The use of one pin for locking the key and the battery against the housing enables miniaturization of the device.
Claims21
An electronic key device incorporating electronic components, comprising:
- a housing including a cavity for containing a battery, which supplies power to the electronic components, and a key retainer;
- a battery holder for holding the battery, wherein the battery holder is inserted into the cavity;
- a key fitted in the key retainer, wherein the key is movable between a retracted position and an extended position;
- and
- a locking member, wherein the battery holder is locked to and released from the housing by the locking member, wherein the key is locked by the locking member when located in the extended position, wherein the locking member is selectively moved into and out of the retainer, wherein the locking member is moved into the retainer when the key is locked, and wherein the key is released when the locking member is moved out of the retainer.
An electronic key device incorporating electronic components, comprising:
- a housing, the housing including:
- a cavity for containing a battery, which supplies power to the electronic components, wherein the cavity has a battery opening;
- a key retainer, wherein the retainer has a key opening;
- a battery holder for holding the battery, wherein the battery holder includes a cap and a case for containing the battery, the cap being detachable from the case, wherein the battery holder is inserted into the cavity through the battery opening;
- a key fitted in the key retainer, wherein the key is movable between a retracted position and an extended position, wherein the key passes through the key opening when in the extended position such that the key is available for use;
- and
- a locking member provided on the cap of the battery holder, wherein the locking member moves with respect to the cap, wherein the battery holder is locked to and released from the housing by the locking member, and the key is locked in the extended position by the locking member.
An electronic key device incorporating electronic components comprising:
- a housing including a cavity for containing a battery, which supplies power to the electronic components, and a key retainer;
- a battery holder for holding the battery, wherein the battery holder includes a cap and a case for containing the battery, the cap being detachable from the case, wherein the battery holder is inserted into the cavity;
- a key fitted in the key retainer, wherein the key is movable between a retracted position and an extended position;
- a locking member provided on the cap of the battery holder, wherein the locking member moves with respect to the cap, wherein the battery holder is locked to and release d from the housing by the locking member, and the key is locked in the extended position by the locking member;
- and
- a substrate unit, wherein the electronic components are mounted on the substrate unit, the substrate unit being attached to the housing.
An electronic key device incorporating electronic components, comprising:
- a housing including a cavity for containing a battery, which supplies power to the electronic components, and a key retainer;
- a battery holder for holding the battery, wherein the battery holder is inserted into the cavity;
- a key fitted in the key retainer, wherein the key is movable along the key retainer between a retracted position and an extended position;
- and
- a locking member, wherein the battery holder is locked to and released from the housing by the locking member, wherein the key is locked by the locking member when located in the extended position.
An electronic key device incorporating electronic components comprising:
- a housing including a cavity for containing a battery, which supplies power to the electronic components, and a key retainer;
- a battery holder for holding the battery, wherein the battery holder includes a cap and a case for containing the battery, the cap being detachable from the case, wherein the battery holder is inserted into the cavity;
- a key fitted in the key retainer, wherein the key is movable between a retracted position and an extended position;
- a locking member provided on the cap of the battery holder, wherein the locking member moves with respect to the cap, wherein the battery holder is locked to and released from the housing by the locking member, and the key is locked in the extended position by the locking member;
- wherein the locking member is selectively moved into and out of the retainer, wherein the locking member is moved into the retainer when the key is locked, and wherein the key is released when the locking member is moved out of the retainer;
- and
- a substrate unit, wherein the electronic components are mounted on the substrate unit, the substrate unit being attached to the housing.
Dependencies are inferred from the claim text.