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1. 发明授权

US12059723B2 Chain tool for different speed chains 有权
公开(公告)号：US12059723B2
公开(公告)日：2024-08-13
申请号：US17408717
申请日：2021-08-23
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B21L9/06 , B21L9/04 , B21L21/00 , B25B27/02 , B25B27/22
CPC分类号： B21L9/065 , B21L9/04 , B21L21/00 , B25B27/023 , B25B27/22
摘要： A chain tool with a main body having a first body portion and a second body portion. A driving mechanism is supported by the first body portion and movable toward and away from the second body portion. The driving mechanism includes a first driving member adapted to retain one of a pair of plates of a chain and a second driving member adapted to drive a pin through the pair of plates. A stopper adapted to stop the pin selectively connected with the second body portion between a first and a second connection way. The second body portion has a slot for connecting the stopper. In the first connection way, the stopper includes a first end inserted in the slot. In the second connection way the stopper includes a second end inserted in the slot.

2. 发明授权

US11964723B2 Bicycle saddle accessory coupling device 有权
公开(公告)号：US11964723B2
公开(公告)日：2024-04-23
申请号：US17178393
申请日：2021-02-18
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B62J1/28
CPC分类号： B62J1/28
摘要： A bicycle saddle accessory coupling device includes a body, a first accessory, a second accessory, and a positioning unit. The body includes an attaching portion coupled to a bicycle saddle, a first connecting portion, and a second connecting portion located between the attaching portion and the first connecting portion. The first accessory includes a first guiding portion removably connected to the first connecting portion and a first coupling portion. The second accessory includes a second guiding portion removably connected to the second connecting portion and a second coupling portion. The positioning unit is disposed on the body and removably coupled to the first and coupling portions.

3. 发明授权

US11845506B2 Bottle cage 有权
公开(公告)号：US11845506B2
公开(公告)日：2023-12-19
申请号：US17743549
申请日：2022-05-13
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B62J11/04 , B62J45/00
CPC分类号： B62J11/04 , B62J45/00
摘要： A bottle cage includes a storage space. The storage space has a wide section and a narrow section arranged axially along a reference line. The wide and the narrow sections include widths thereof extending transversely to the reference line. The wide section has a first width and the narrow section has a second width respectively. The second width is smaller than the first width. The storage space includes an electronic device with satellite positioning function installed therein in a separable installation manner.

4. 发明授权

US11808255B2 Floor pump 有权
公开(公告)号：US11808255B2
公开(公告)日：2023-11-07
申请号：US17874516
申请日：2022-07-27
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： F04B33/00 , F04B39/14
CPC分类号： F04B33/00 , F04B39/14
摘要： A floor pump includes a main body and a supporting device. The supporting device includes a base and a first leg. The base is fixed to the main body and has a first stopping flange and a second stopping flange. The first leg is pivotally connected to the base to approach or move away from the base. The first leg has a front end and a rear end. When the first leg is approached to the base, the first leg is limited by the first and second stopping flanges to a folded position or an unfolded position. When the first leg is in the folded position, the front end is approached to the main body. When the first leg is in the unfolded position, the front end is distal away from the main body.

5. 发明授权

US11661132B2 Auxiliary fixing device for a bicycle 有权
公开(公告)号：US11661132B2
公开(公告)日：2023-05-30
申请号：US17484383
申请日：2021-09-24
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B62J9/26 , B62J9/27
CPC分类号： B62J9/27 , B62J9/26
摘要： An auxiliary fixing device for a bicycle includes a body and a supporting rod unit. The supporting rod unit includes first and second supporting rods coupled to the body. Each of the first and second supporting rods includes a connecting portion, a supporting portion, and an extension portion between the connecting portion and the supporting portion. The extension portion of the first supporting rod has an end adjacent to the connecting portion of the first supporting rod and another end extending away from the second supporting rod. The extension portion of the second supporting rod has an end adjacent to the connecting portion of the second supporting rod and another end extending away from the first supporting rod.

6. 发明公开

US20230160377A1 FLOOR PUMP 审中-公开
公开(公告)号：US20230160377A1
公开(公告)日：2023-05-25
申请号：US17874516
申请日：2022-07-27
申请人： Louis CHUANG
发明人： Louis CHUANG
IPC分类号： F04B33/00 , F04B39/14
CPC分类号： F04B33/00 , F04B39/14
摘要： A floor pump includes a main body and a supporting device. The supporting device includes a base and a first leg. The base is fixed to the main body and has a first stopping flange and a second stopping flange. The first leg is pivotally connected to the base to approach or move away from the base. The first leg has a front end and a rear end. When the first leg is approached to the base, the first leg is limited by the first and second stopping flanges to a folded position or an unfolded position. When the first leg is in the folded position, the front end is approached to the main body. When the first leg is in the unfolded position, the front end is distal away from the main body.

7. 发明授权

US11485439B2 Bike cargo rack 有权
公开(公告)号：US11485439B2
公开(公告)日：2022-11-01
申请号：US17073507
申请日：2020-10-19
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B62J7/04 , B62J7/00 , B62J15/00
摘要： A bike cargo rack includes a platform and a movable body movably and releasably connected to the platform. The movable body includes a first stop adapted to be restrained by a first end of the platform. The movable body includes a second stop abutted by a second end of the platform after the first end of the platform restraining the first stop. The first and the second stops are disposed on opposite ends of the movable body.

8. 发明申请

US20220144364A1 AUXILIARY FIXING DEVICE FOR A BICYCLE 有权
公开(公告)号：US20220144364A1
公开(公告)日：2022-05-12
申请号：US17484383
申请日：2021-09-24
申请人： Louis CHUANG
发明人： Louis CHUANG
IPC分类号： B62J9/27 , B62J9/26
摘要： An auxiliary fixing device for a bicycle includes a body and a limiting rod unit. The limiting rod unit includes first and second limiting rods coupled to the body. Each of the first and second limiting rods includes a connecting portion, a limiting portion, and an extension portion between the connecting portion and the limiting portion. The extension portion of the first limiting rod has an end adjacent to the connecting portion of the first limiting rod and another end extending away from the second limiting rod. The extension portion of the second limiting rod has an end adjacent to the connecting portion of the second limiting rod and another end extending away from the first limiting rod.

9. 发明授权

US11261936B2 Chain master link tool 有权
公开(公告)号：US11261936B2
公开(公告)日：2022-03-01
申请号：US16686350
申请日：2019-11-18
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： F16G3/00 , B25F1/00 , B25B27/22
摘要： A chain master link tool includes a first lever and a second lever pivotally and releasably coupled together. Each of the first and second levers include a first working portions and a second working portion. The first and second levers are pivotal to an extended position in which the first working portions face oppositely and are disposed apart and cooperatively delimit a connection space therebetween for connection of a master link with a roller chain assembly and the second working portions face oppositely and are disposed apart and cooperatively delimit a removal space therebetween for removal of the master link from the roller chain assembly respectively.

10. 发明授权

US11235828B2 Bicycle luggage rack 有权
公开(公告)号：US11235828B2
公开(公告)日：2022-02-01
申请号：US16710245
申请日：2019-12-11
申请人： Louis Chuang
发明人： Louis Chuang
IPC分类号： B62J7/06
摘要： A bicycle luggage rack includes a mounting rack and a supporting rack. The mounting rack includes a first sliding portion having a first end and a second end opposite to the first end. The first sliding portion further includes an arcuate portion between the first and second ends. The supporting rack is disposed on top of the mounting rack. The supporting rack includes a second sliding portion and a placement surface. The second sliding portion is slidably disposed on the first sliding portion and is slidable along the arcuate portion. An angle between the placement surface and the mounting rack is varied while the second sliding portion slides along the arcuate portion of the first sliding portion. The level of the placement surface is varied while the second sliding portion slides along the arcuate portion of the first sliding portion.

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