公开(公告)号：US20220196122A1

公开(公告)日：2022-06-23

申请号：US17501469

申请日：2021-10-14

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Haruhisa Ohta ,  Osamu Yoshida ,  Yuichiro Ishikawa

IPC: F16H7/08

Abstract: To provide a tensioner capable of preventing slipping between a rack portion and ratchet pawls and securing a large backlash with a simple structure. The tensioner includes a ratchet rotatably mounted on a housing and having a front pawl and a rear pawl spaced apart in a front and rear direction on a side face positioned opposite the rack portion. The ratchet includes an additional pawl formed between the front pawl and the rear pawl in the front and rear direction on the side face positioned opposite the rack portion.

公开(公告)号：US11708881B2

公开(公告)日：2023-07-25

申请号：US17501469

申请日：2021-10-14

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Haruhisa Ohta ,  Osamu Yoshida ,  Yuichiro Ishikawa

IPC: F16H7/08

CPC classification number: F16H7/0848 ,  F16H7/08 ,  F16H2007/0802 ,  F16H2007/0806 ,  F16H2007/0812 ,  F16H2007/0853 ,  F16H2007/0859

Abstract: To provide a tensioner capable of preventing slipping between a rack portion and ratchet pawls and securing a large backlash with a simple structure. The tensioner includes a ratchet rotatably mounted on a housing and having a front pawl and a rear pawl spaced apart in a front and rear direction on a side face positioned opposite the rack portion. The ratchet includes an additional pawl formed between the front pawl and the rear pawl in the front and rear direction on the side face positioned opposite the rack portion.