Elastomeric pump used for liquid has first and second sections with annular retention surfaces, annular rim lodged between annular retention surfaces for watertight closure, and anchor component to retain elastomeric ball in second section

摘要

Elastomeric pump includes a pre-stressed elastomeric ball with an annular rim, a first section with a first annular retention surface and a pre-stressed surface, a second section with a second annular retention surface, and a camera. The first annular retention surface and pre-stressed surface are parts of one physical piece. The annular rim is lodged between the two annular retention surfaces for watertight closure. An anchor component retains the ball in the second section in pre-stressed manner.