Back to results
US 5,392,884 AGranted
Slow-acting rotary device
AssigneeNHK Spring Co., Ltd.
InventorJuji Ojima
Life of this patent
Estimating the term…
Abstract
The device comprises a shielded outer cylinder (2), a shaft member (3) installed pivotally within, the cylinder (2), fins (4, 5) either of which are connected with the cylinder (2) or the shaft member (3) by means of base ends (4a, 5a) with edge ends (4b, 5b) thereof being slide contacted onto the other, and a fluid material (6) filled within the outer cylinder (2), wherein the outer cylinder (2) or the shaft member (3) is connected with a stationary member or a rotary member.
Claims6
Rotary device comprising:
- a sealed outer cylindrical member,
- a shaft member pivotally mounted for rotation within said cylindrical member and forming an annular space therewith, at least one fin connected to each of said cylindrical member and to said shaft member, each fin being connected at a base end thereof with one of said members and bridging said annular space and having an edge end in direct contact with the other of said members, and fluid material filled within said outer annular space member.
Dependencies are inferred from the claim text.