US 12,262,848 B2
Rocker arm structure of hand-operated bean grinder
Hsiang-Chen Yeh, New Taipei (TW)
Assigned to CHUANG-KANG MACHINERY TECHNOLOGY CO., LTD, New Taipei (TW)
Filed by Chuang-Kang Machinery Technology Co., Ltd, New Taipei (TW)
Filed on Nov. 21, 2022, as Appl. No. 17/990,762.
Claims priority of application No. 111211290 (TW), filed on Oct. 17, 2022.
Prior Publication US 2024/0122407 A1, Apr. 18, 2024
Int. Cl. A47J 42/46 (2006.01)
CPC A47J 42/46 (2013.01) 10 Claims
OG exemplary drawing
 
1. A rocker arm structure of a hand-operated bean grinder comprising a crank rocker and a folding mechanism, wherein:
the crank rocker comprises a first section of rod body and a second section of rod body, one end of the first section of rod body is assembled with a grip, and one end of the second section of rod body is assembled with a joint member; and
the folding mechanism comprises a first body, a second body, a spring, a guide rail seat and a guide pin, wherein:
the first body is a hollow body with a first linking port and a first assembly port, wherein the first linking port serves for the first section of rod body to be sleeved with one end of the grip, and the first assembly port is assembled with the second body;
the second body is a hollow body with a second connecting port and a second assembly port, wherein the second connecting port is connected with one end of the second section of rod body opposite to the joint member, and the second assembly port is connected with the first assembly port of the first body;
the guide rail seat is arranged on the second assembly port, and is arranged with a guide rail, a positioning groove, and at least one assembly notch, wherein the guide rail has a position for guiding the first section of rod body to rotate 180 degrees from a position to be ground; the positioning groove is arranged on the position the guide rail where the first section of rod body is ground, and the assembly notch is arranged near the positioning groove;
the guide pin is assembled on the end of the first section of rod body of the crank rocker opposite to one end of the grip, and allows a part of the guide pin to rotate along the guide rail of the guide rail seat result in a rotating of the first section of rod body;
the spring is assembled inside the first body and second body, and two ends of the spring are respectively propped against the first section of rod body and the second section of rod body, so that the first section of rod body provides a restoring force to be positioned in the positioning groove after rotating; and
when storing, the first section of rod body is separated from the positioning groove, and the part of the guide pin moves along the guide rail of the guide rail seat, so that the grip of the first section of rod body is moved to corresponding to the joint member of the second section of rod body.