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Transportation & Automotive
Class Information
Number:
213/32A
Name:
Railway draft appliances
>
Cushioned
>
Combined spring and friction
>
Friction casings
>
Shoes and wedges
> Plural spring
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6845720
Conveyor shock absorber
Jan. 25, 2005
5501347
Variable angle friction clutch mechanism for a draft gear assembly
Mar. 26, 1996
5495957
Variable angle friction clutch mechanism for a draft gear assembly
Mar. 5, 1996
5443170
Variable angle friction clutch mechanism for a draft gear assembly
Aug. 22, 1995
4556149
Draft gear
Dec. 3, 1985
4074813
Telescopic draft gear
Feb. 21, 1978
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