Reference position detection device for rotary mechanism, platen gap adjustment mechanism, and printer

Patent metadata

Field	Value
Publication number	US-9050839-B2
Application number	US-201414226408-A
Country	US
Kind code	B2
Filing date	Mar 26, 2014
Priority date	Mar 27, 2013
Publication date	Jun 9, 2015
Grant date	Jun 9, 2015

Abstract

A small, compactly configured reference position detection device 170 for a rotary transfer mechanism includes a rotary member 130 that can rotate through a rotational angle less than one revolution from a first rotational position past a second rotational position and reference position to a third rotational position; a detection flag disc 151 that can move in a range from a first position past a detection position to a second position; a detector 162 that detects the detection flag passing the detection position, and a flag moving mechanism. The flag moving mechanism can move the detection flag disc 151 tracking the rotary member 130 . The position of detection flag disc 151 movement when passing the reference position of the rotary member 130 is the detection position.

First claim

What is claimed is:

1. A reference position detection device of a rotary mechanism, comprising:
a rotary member that can rotate through a rotational angle less than one revolution from a first rotational position past a second rotational position and reference position to a third rotational position;
a detection flag that can move in a range from a first position past a detection position to a second position;
a detector that detects the detection flag passing the detection po…

Assignees

• Seiko Epson Corp

Inventors

• Aruga Yuichi
• Imae Toshihiro

Classifications

• B41J25/308 Primary

  Operations & Transport · mapped topic