Patent ID: 8308575
Filing Date: 2012-11-13
Classification: F16D,F16H

Abstract:
1. A gear mechanism with torque limiter comprising: a first gear, a second gear, and a synchronous member coaxially arranged in the respective order, the second gear having concentric grooves or protrusions on both the face opposing the first gear and the face opposing the synchronous member; a first felt member, held between opposing faces of the synchronous member and the second gear; and a second felt member that is held between opposing faces of the second gear and the first gear, wherein one of the opposing faces coming in contact with the first felt member includes multiple conical protrusions concentrically arranged and the other opposing face coming in contact with the first felt member includes concentric grooves corresponding to the protrusions provided on the other opposing face thereof, and wherein one of the opposing faces coming in contact with the second felt member includes multiple protrusions concentrically arranged and the other opposing face coming in contact with the second felt member includes concentric grooves corresponding to the protrusions provided on the other opposing face thereof, and wherein the grooves or the protrusions provided on the other face of the second gear are positioned substantially intermediate in an interval between the grooves or the protrusions provided concentrically on the one face thereof.