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Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

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Class 238/262 - Nut and bolt lock


Subclass of Class 238 - Railways: surface track
Definition: Nut and bolt locks for rail-joints not otherwise classified
No. of patents: 4
Last issue date: 05/06/2008


NumberTitleIssue Date
7367766Screw and nut fastening device
A device for fastening two parts to each other includes fastening screws extending in aligned passages in the two parts and receiving nuts, and a removable element for preventing the screw heads from moving during tightening or loosening of the nuts on the screws, t...
05/06/2008
7300237Self-locking bolted fastener
A bolted fastener for joining components, such as a bracket fastened to a crosspiece, includes a bolt, a nut and an eccentric. A square neck of a bolt fits into an oblong hole in a component and prevents the bolt from turning. The diameter of the eccentric that serv...
11/27/2007
5413442Bolt-nut assembly for railroad crossing frogs
An improved railroad frog bolt-nut assembly is disclosed. The bolt has a square head and a shank. The shank has an unthreaded portion adjacent the head and a threaded portion at its terminal end. The threaded portion is rolled to a diameter equal to the s...
05/09/1995
4360154Rail joint bar bolt nut locking assembly
Track rail joint assemblies with nut and bolt fasteners are disclosed in which a nut restraining plate is interposed on the bolt between the nut and the joint bar. The plate is provided with one or more bendable tabs adjacent the bolt of hole which are be...
11/23/1982
 
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