HAND PUMP

PROBLEM TO BE SOLVED: To provide a user-friendly hand pump.SOLUTION: A hand pump includes: a body having a suction chamber and a discharge chamber; a piston member that includes a piston part partitioning the suction chamber and the discharge chamber, and a piston rod connected to the piston part; a...

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Bibliographische Detailangaben
Hauptverfasser:	SHIGENAGA YUKIYA, KAWAMURA RIO, SHIMA TAISHI, TAKEDA KENJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a user-friendly hand pump.SOLUTION: A hand pump includes: a body having a suction chamber and a discharge chamber; a piston member that includes a piston part partitioning the suction chamber and the discharge chamber, and a piston rod connected to the piston part; an operation lever that is formed in a turnable manner, has a first curve and a second curve curved in a direction opposite to the first curve, and is provided in a reversed manner in a turning direction; and a link mechanism part that connects the operation lever and the piston rod, and converts turning of the operation lever to reciprocative motion of the piston rod.SELECTED DRAWING: Figure 1 【課題】使用性の良い手押しポンプを提供すること。【解決手段】手押しポンプは、吸込室及び吐出室を有する本体と、前記吸込室及び前記吐出室に区分するピストン部、及び、前記ピストン部に接続されたピストンロッドを具備するピストン部材と、回動可能に形成され、第１のカーブ、及び前記第１のカーブとは反対に湾曲する第２のカーブを有し、前記回動の方向において反転可能に設けられる操作レバーと、前記操作レバー及び前記ピストンロッドを連結し、前記操作レバーの回動を前記ピストンロッドの往復動に変換するリンク機構部と、を備えることを特徴とする。【選択図】図１