发明名称 |
Bicycle air pump |
摘要 |
A bicycle air pump includes an air cylinder; a joining member on the cylinder and including upper, intermediate and lower chambers, and a passageway communicating the cylinder with the lower chamber and a relief valve; an activation assembly on the joining member and including a hollow spring-loaded stem in both the intermediate chamber and the lower chamber, an end seal, a cap on the upper chamber, a push rod through the cap to urge against the seal and having an axial hole and a lateral hole communicating with the axial hole, a knob secured to the push rod and the cap, and an outlet; a pressure gauge on the joining member and communicating with the passageway; an inlet assembly secured to bottom of the cylinder and including a check valve; and a blocking member secured to bottom of the stem for blocking the passageway when in an inoperative position. |
申请公布号 |
US2015337833(A1) |
申请公布日期 |
2015.11.26 |
申请号 |
US201514818303 |
申请日期 |
2015.08.05 |
申请人 |
Huang Chung Wei;Li Wen-Hung;Huang Cheng Yu |
发明人 |
Huang Chung Wei;Li Wen-Hung;Huang Cheng Yu |
分类号 |
F04B53/10;F04B37/10;F04B41/02;F04B39/12 |
主分类号 |
F04B53/10 |
代理机构 |
|
代理人 |
|
主权项 |
1. A bicycle air pump comprising:
a cylinder for storing pressurized air; a joining member disposed on a top of the cylinder, the joining member including an upper chamber, an intermediate chamber, a lower chamber, a relief valve, and a passageway communicating the cylinder with both the lower chamber and the relief valve; an activation assembly disposed on a top of the joining member, the activation assembly including a hollow spring-loaded stem disposed in both the intermediate chamber and the lower chamber, a seal disposed at an end, a cap disposed on the upper chamber, a push rod passing through the cap to urge against the seal, the push rod having an axial hole and a lateral hole communicating with the axial hole, a knob secured to both the push rod and the cap, and an outlet; a pressure gauge disposed on the joining member and communicating with the passageway; an inlet assembly secured to a bottom of the cylinder, the inlet assembly including a check valve and a cap member for concealing the check valve; and a blocking member secured to a bottom of the stem for blocking the passageway when in an inoperative position. |
地址 |
Taichung TW |