Rotary damper
AssigneeSomic Management Holdings Inc.
InventorsDaisuke KOBAYASHI, Keigo OZAKI
Life of this patent
Estimating the term…
Abstract
A rotary damper that includes: a cylinder (10) that includes partition walls (13); a rotor (20) that includes a shaft part (21) facing the partition walls (13); grooves (15) that are formed in the partition walls (13); and elastic bodies (40) that are installed in the grooves (15) to seal gaps between the partition walls (13) and the shaft part (21), the groove (15) has a space (60) in which the elastic body (40) can be moved in a circumferential direction, and the space (60) includes a portion into which the elastic body (40) can be inserted without being compressed, and portions that contain the elastic body (40) compressed by a face (15a) of the groove (15) facing the shaft part (21).
Claims7
A rotary damper comprising:
- a cylinder that includes a partition wall;
- a rotor that includes a shaft part facing the partition wall;
- a groove that is formed in the partition wall;
- and
- an elastic body that is installed in the groove to seal a gap between the partition wall and the shaft part,
- wherein the groove has a space in which the elastic body can be moved in a circumferential direction, and
- wherein the space includes
- a portion (hereinafter, referred to as an “insertion portion”) into which the elastic body can be inserted without being compressed, and
- a portion (hereinafter, referred to as a “containing portion”) that contains the elastic body compressed by a face of the groove facing the shaft part.
Dependencies are inferred from the claim text.