Title:
テンショナ
Document Type and Number:
Japanese Patent JP3792160
Kind Code:
B2
Abstract:
The invention comprises a self-contained mechanical belt tensioner that produces damping which is a function of the applied hubload through the effect of frictional forces derived from the sliding action of mutually opposing wedges. A first wedge or conical piston is contained within a housing. The conical piston cooperates with a second or conical wedge. A surface of the conical wedge slides on the inner surface of the housing. The conical wedge is expandable in a direction normal to the inner surface of the housing. A spring urges the conical wedge into engagement with the conical piston. As the pulley is loaded, as with an impulse load, the piston will move into the conical wedge. This, in turn, will cause the conical wedge to expand against the inner surface of the housing. The expansion of the conical wedge in the housing will increase the frictional force between the conical wedge and the housing. This will have the effect of damping movements of the conical piston and, in turn, of the pulley. The greater the impulse, then the greater the expansion of the conical wedge. This increases the resultant frictional force resisting movement between the conical wedge and the housing. As the load moves toward a minimum, the frictional force is abated to a low level allowing ease of retraction of the piston.
More Like This:
| JP2854261 | [Title of Invention] Hydraulic tensioner |
| JPS5865357 | BELT STRETCHER |
Inventors:
Sark, alexander
Deck, Andruze
Haynes, david
Deck, Andruze
Haynes, david
Application Number:
JP2001577092A
Publication Date:
July 05, 2006
Filing Date:
April 12, 2001
Export Citation:
Assignee:
The Gates Corporation
International Classes:
F16H7/08; F16H7/12; F16F7/08
Domestic Patent References:
| JP6193695A | ||||
| JP57205437U | ||||
| JP9100885A | ||||
| JP3067742U | ||||
| JP10325448A | ||||
| JP11210844A | ||||
| JP11223250A | ||||
| JP63158332A | ||||
| JP50118173A |
Foreign References:
| US3870128 | ||||
| US5439420 | ||||
| DE4203449A1 | ||||
| US20030051956 | ||||
| US20020025869 | ||||
| US2237318 | ||||
| US2481006 |
Attorney, Agent or Firm:
Takashi Matsuura