US 12,454,946 B2
Portable air pump
Scott Wu, Taichung (TW)
Filed by Scott Wu, Taichung (TW)
Filed on May 17, 2023, as Appl. No. 18/318,821.
Prior Publication US 2024/0384713 A1, Nov. 21, 2024
Int. Cl. F04B 33/00 (2006.01)
CPC F04B 33/005 (2013.01) [F04B 33/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A portable air pump comprising:
an inflating mechanism including a cylinder;
a joint seat arranged at an end of the cylinder, wherein the joint seat has a joint end including a first positioning portion and a groove;
a support seat pivotally coupled to the joint seat, wherein the support seat includes a connection pivotally received by the groove and has a receptacle;
a positioning mechanism pivotally coupled to the support seat, wherein the positioning mechanism includes a positioning member pivotally engaged in the receptacle and a biasing member arranged between a surface of the receptacle and the positioning member, and wherein the positioning member is biased by the biasing member and detachably engagable with the first positioning portion such that the joint seat and the support seat are restrained from pivoting relative to each other; and
a footrest arranged on a side of the support seat, wherein the footrest is folded out when the positioning member is engaged with the first positioning portion and adapted to be folded toward the inflating mechanism when the positioning member is disengaged from the first positioning portion.