1. Flow detector
The parts shown by means of broken lines in the reproduction are not part of the claimed design; the article of the design is a flow detector which detects flow of lubricant such as grease or oil in a lubrication system installed in industrial machines such as injection molding machines or working machines; a lubricant flow channel is formed in the article, and it detects lubricant flow by electrically detecting a movement of a valve provided in the channel;
The broken line showing is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.