US 12,087,327 B2
Tape reel and tape cartridge
Yosuke Sumiya, Kanagawa (JP)
Assigned to FUJIFILM CORPORATION, Tokyo (JP)
Filed by FUJIFILM CORPORATION, Tokyo (JP)
Filed on Jan. 27, 2023, as Appl. No. 18/160,310.
Claims priority of application No. 2022-032119 (JP), filed on Mar. 2, 2022.
Prior Publication US 2023/0282238 A1, Sep. 7, 2023
Int. Cl. G11B 23/107 (2006.01); B65H 75/14 (2006.01)
CPC G11B 23/107 (2013.01) [B65H 75/14 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A tape reel comprising:
a cylindrical portion; and
a bottom portion having an installation surface on which the cylindrical portion is installed upright,
wherein the installation surface has
a central surface located on a center side of the bottom portion, and
a first inclined surface formed on an outer peripheral portion of the central surface along a peripheral direction of the cylindrical portion and inclined such that a wall thickness of the bottom portion gradually decreases toward an outer peripheral side,
a through hole penetrating the bottom portion is formed in the outer peripheral portion,
a pair of wall portions are installed upright on the first inclined surface on both sides of the through hole in the peripheral direction, and
a second inclined surface having an inclination angle smaller than an inclination angle of the first inclined surface with respect to the central surface is formed on a surface of each of the wall portions, which is connected to the central surface.