US 12,306,563 B2
Fixing device with a heater holder having a retraction portion
Ryota Saeki, Sunto Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Feb. 2, 2023, as Appl. No. 18/104,811.
Application 18/104,811 is a continuation of application No. 17/680,395, filed on Feb. 25, 2022, granted, now 11,599,049.
Application 17/680,395 is a continuation of application No. 17/142,280, filed on Jan. 6, 2021, granted, now 11,262,679, issued on Mar. 1, 2022.
Application 17/142,280 is a continuation of application No. 16/451,173, filed on Jun. 25, 2019, granted, now 10,915,049, issued on Feb. 9, 2021.
Claims priority of application No. 2018-148782 (JP), filed on Aug. 7, 2018.
Prior Publication US 2023/0176511 A1, Jun. 8, 2023
Int. Cl. G03G 15/20 (2006.01); G03G 21/16 (2006.01); G03G 21/20 (2006.01)
CPC G03G 15/2053 (2013.01) [G03G 15/2017 (2013.01); G03G 21/1685 (2013.01); G03G 21/20 (2013.01); G03G 2215/2035 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fixing device, comprising:
a belt configured to rotate in a transport direction;
a heater configured to heat the belt, the heater comprising a plurality of heating regions in a perpendicular direction perpendicular to the transport direction; and
a holder comprising:
a support portion that contacts the heater to support the heater, and
a retraction portion that overlaps with an outer side, in the perpendicular direction, of at least one of the plurality of the heating regions in a smaller area than a contact area between the support portion and the heater, and at an area other than the contact area,
wherein the plurality of heating regions are discrete regions that are non-continuous with one another.