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Patent No. 5571247

Self Containing Enclosure for Protection from Killer Bees

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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Class 213/34 - Compound wedges


Subclass of Class 213 - Railway draft appliances
Definition: Devices wherein the wedges are formed of a plurality of
No. of patents: 6
Last issue date: 03/26/1996


NumberTitleIssue Date
5501347Variable angle friction clutch mechanism for a draft gear assembly
A draft gear assembly having a variable angle friction clutch mechanism is provided. Such assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat is disposed between one end of the compres...
03/26/1996
5495957Variable angle friction clutch mechanism for a draft gear assembly
A draft gear assembly having a variable angle friction clutch mechanism is provided. Such assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the ...
03/05/1996
5443170Variable angle friction clutch mechanism for a draft gear assembly
A draft gear assembly having a variable angle friction clutch mechanism is provided. The assembly includes a housing member having a compressible cushioning element disposed adjacent a closed end thereof. A seat member is disposed between one end of the c...
08/22/1995
4556149Draft gear
An improved draft gear for transmitting draft forces in railway vehicles. The invention includes a housing with a closed end and an open opposite end provided with a tapered internal friction surface. A wedge is mounted for axial movement in the open end ...
12/03/1985
4296868Housing for draft gear
In a draft gear apparatus, the housing is strengthened to better withstand distortion by draft stress imposed by the yoke on the end of the housing. Strengthening is accomplished by increasing the thickness of the housing side walls at selected areas near...
10/27/1981
4074813Telescopic draft gear
A hollow plunger extends into the cavity of the draft gear body. The inner end of the plunger is expansible. One or more wedges are held by the body adjacent the inner end of the plunger, and shoes are positioned between the wedge(s) and the inner side of...
02/21/1978
 
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