
1) Hat tipper 2) Machine in a textile factory
Found on
https://www.crosswordclues.com/clue/doffer

A doffer is someone who clears full bobbins, pirns or spindles holding spun fiber such as cotton or wool from a spinning frame and replaces them with empty ones. Historically, spinners, doffers, and sweepers each had separate tasks that were required in the manufacture of spun textiles. From the early days of the industrial revolution, this work, ...
Found on
http://en.wikipedia.org/wiki/Doffer

• (n.) A revolving cylinder, or a vibrating bar with teeth, in a carding machine, which doffs, or strips off, the cotton from the cards. • (n.) A revolving cylinder, or a vibrating bar, with teeth, in a carding machine, which doffs, or strips off, the fiber from the cards. • (n.) A worker who replaces full bobbins by empty ones on th...
Found on
http://thinkexist.com/dictionary/meaning/doffer/
Doff'er noun (Machinery) A revolving cylinder, or a vibrating bar with teeth, in a carding machine, which doffs, or strips off, the cotton from the cards.
Ure. Found on
http://www.encyclo.co.uk/webster/D/106

a person or thing that doffs. · · a wire-clothed roller on a carding machine, esp. the roller to which the carded fibers are transferred from the cylinder and then prepared for conversion into sliver. · any roller that removes the fibers from another roller.
Found on
https://www.infoplease.com/dictionary/doffer
No exact match found.