Title:
ELECTRIC LOCK
Document Type and Number:
Japanese Patent JP2022020904
Kind Code:
A
Abstract:
To provide an electric lock capable of stably performing a lock release operation while suppressing power consumption.SOLUTION: In a device 3 used for an electric lock, which displaces a hook lever 11 between a lock position engaging with a reception seat and a lock release position not engaging with the reception seat, a locking lever 22 is swingably arranged between the hook lever 11 and a releasing shape memory alloy 31, and the hook lever 11 is arranged in the lock position by energizing the locking lever 22 in a first position direction K21 using a locking torsion spring 24. The releasing shape memory alloy 31 is hooked on a movable pulley 34 and a pulley 35 in a state connecting with a first electrode terminal 32 and a second electrode terminal 33. The movable pulley is connected with the locking lever 22. When the releasing shape memory alloy is contracted and deformed by an electric current supplied thereto, the locking lever 22 is pulled against the locking torsion spring 24 in a second position direction K22, and the hook lever 11 becomes displaced to the lock release position.SELECTED DRAWING: Figure 3
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Inventors:
SATO AKIHIRO
UMEMURA MASAMI
SEKI NOBUHIKO
SAKAGAMI KOICHI
HIGUCHI TOSHIRO
GONDO MASAHIKO
UMEMURA MASAMI
SEKI NOBUHIKO
SAKAGAMI KOICHI
HIGUCHI TOSHIRO
GONDO MASAHIKO
Application Number:
JP2020124153A
Publication Date:
February 02, 2022
Filing Date:
July 21, 2020
Export Citation:
Assignee:
TOKAI RIKEN KK
International Classes:
E05B47/00
Attorney, Agent or Firm:
Cosmos International Patent and Trademark Office
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