US 12,151,368 B2
Air chuck
Kouichirou Kanda, Tsukuba (JP); Koji Hara, Tsukubamirai (JP); and Tsuyoshi Sasaki, Tsukubamirai (JP)
Assigned to SMC CORPORATION, Chiyoda-ku (JP)
Appl. No. 17/634,125
Filed by SMC CORPORATION, Chiyoda-ku (JP)
PCT Filed Aug. 7, 2020, PCT No. PCT/JP2020/030328
§ 371(c)(1), (2) Date Feb. 9, 2022,
PCT Pub. No. WO2021/033577, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 2019-151556 (JP), filed on Aug. 21, 2019.
Prior Publication US 2022/0314463 A1, Oct. 6, 2022
Int. Cl. B25J 15/08 (2006.01); B23B 31/16 (2006.01); B25J 15/02 (2006.01); B25J 15/04 (2006.01)
CPC B25J 15/083 (2013.01) [B23B 31/16104 (2013.01); B25J 15/0253 (2013.01); B25J 15/026 (2013.01); B25J 15/086 (2013.01); B23B 2270/027 (2013.01); B25J 15/04 (2013.01); Y10T 279/1224 (2015.01); Y10T 279/1946 (2015.01)] 9 Claims
OG exemplary drawing
 
1. An air chuck comprising:
a chuck unit including a pair of fingers that are capable of being freely opened and closed;
an operation unit including an operation mechanism that opens and closes the pair of fingers;
at least one connection mechanism for attaching the chuck unit to the operation unit such that the chuck unit is freely attachable and detachable to and from the operating unit; and
at least one locking mechanism that locks the pair of fingers such that the pair of fingers are capable of being freely opened and closed when the chuck unit is attached to the operation unit and such that the pair of fingers are not able to be opened or closed when the chuck unit is detached from the operation unit.