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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/189968
Kind Code:
Provided is a chain block with which it is possible to easily switch from a low-speed rotation mode to a high-speed rotation mode. A chain block 10 comprises: a first rotor 110 in which a first tooth part 114a1 is arranged; a second rotor 120 provided with a second tooth part 121a2 that faces toward and exerts magnetic attractive force on the first tooth part 114a1 during magnetic coupling, the second rotor 120 being capable of sliding in a thrust direction to thereby release a magnetically coupled state; and a clutch receiving member 140 provided with a clutch pin 131 which is integral with the second rotor 120, and a plurality of pockets into which the clutch pin 131 enters in accordance with sliding of the second rotor 120, the plurality of pockets being provided with a roll-up-side pocket 141 in which a magnetic member 144 is disposed, a roll-down-side pocket 142 in which a magnetic member 145 is disposed, and a center pocket 143 which is present between the roll-up-side pocket 141 and the roll-down-side pocket 142 and into which the clutch pin 131 enters when the clutch pin 131 is not being magnetically attracted.

KASAI, Takayuki (2000Tsuijiarai, Showa-cho, Nakakoma-gu, Yamanashi 53, 〒4093853, JP)
Application Number:
Publication Date:
October 18, 2018
Filing Date:
December 28, 2017
Export Citation:
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KITO CORPORATION (2000, Tsuijiarai Showa-cho, Nakakoma-gu, Yamanashi 53, 〒4093853, JP)
International Classes:
B66D3/16; B66D3/20; F16D27/01; F16D43/20; F16H49/00
Foreign References:
Attorney, Agent or Firm:
IAT WORLD PATENT LAW FIRM (7th Floor, HULIC Nakano Bldg. 44-18 Honcho 4-chome, Nakano-k, Tokyo 12, 〒1640012, JP)
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