The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2025
Filed:
Jun. 22, 2018
Pigeon Corporation, Tokyo, JP;
Yukifumi Ochiai, Tokyo, JP;
Sumiko Kuroishi, Tokyo, JP;
Katsutoshi Takahashi, Tokyo, JP;
Yoshihito Sugiyama, Tokyo, JP;
PIGEON CORPORATION, Tokyo, JP;
Abstract
[Problem] To provide a manual breast pump in which a muscle load due to a repeated operation of a handle can be reduced, and in which a section contacting breast milk can be cleaned easily. [Solution] A manual breast pump includes a main body casing, a hood, a base partwhich is held by the main body casingand has a communicating part Sconnected spatially to an inner space S, a diaphragm generating a negative pressure in the communicating part S, a holding memberwhich is provided at the base partand includes a wall part sandwiched between the main body casingand the base part, and a handlewhich is provided to be rotatable with respect to the main body casingwith an axisof the base partas the center, and is for an operation of deforming the diaphragm. When the handlerotates with respect to the main body casingwith the axisof the base partas the center, the base partrotates with the handlewith respect to the main body casingwith the holding memberinterposed.