U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 213/188 - Pin and open link


Subclass of Class 213 - Railway draft appliances
Definition: Wherein devices of the class indicated coupling is effected
No. of patents: 17
Last issue date: 04/06/1999


NumberTitleIssue Date
5890617Swing-away trailer hitch/coupler
This invention pertains to a swing-away hitch for trailers, in particular the boat trailer market. Boat trailers are longer than the boats itself for towing purposes. When having to store the boat and trailer in a small space, the tongue with the hitch of...
04/06/1999
5617965Interlocking type mechanism for a slackless drawbar assembly used on a railway freight car
An interlocking mechanism positioned intermediate each end of a drawbar member portion of a slackless drawbar assembly which includes an elongated member engageable at a first end thereof to an end of a first male connection member and at an axially oppos...
04/08/1997
5584407Interlocking slackless drawbar assembly for railway freight car and an interlocking mechanism therefor
An interlocking mechanism is positioned intermediate first and second end portions of a drawbar member portion of a slackless type drawbar assembly utilized in coupling adjacently disposed ends of a pair of railway freight cars together in a substantially...
12/17/1996
5560503Lubricating apparatus for articulated coupling arrangement
An articulated coupling male connection member support assembly having an improved lubrication arrangement incorporated therein. Such support assembly includes a bottom ring bearing member supported on an upper surface of a bottom wall portion of a female...
10/01/1996
5350077Method and device for coupling a self-propelled truck with a carrying truck
Method and device for coupling a self-propelled truck with a carrying truck, wherein the self-propelled truck is provided with a female engagement member having right and left catching spacings, whereas the carrying truck is provided with a male engagemen...
09/27/1994
5272986Towing swivel for pipe inspection or other vehicle
A vehicle 10 which inspects pipes 12 using flux-leakage has a flux generating electromagnet 14 and foils 18, 20 to transfer the flux to the pipewall 12. Sensors 22 detect flux forced to leak from the pipe by defects. The vehicle is required to pass 1-D be...
12/28/1993
5040466Train of highway trailers and method of making
Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend...
08/20/1991
5005715Articulated railroad car connector
An articulated connector for railroad cars comprises first and second connector members pivotally connected to each other at inner ends through a pin to permit vertical, rotational and horizontal pivoting of the connector members. The connector members ha...
04/09/1991
4893717Trailer hitch for use with a railroad car
A hitch (10) for releasably connecting a double stack trailer to a road railer car having a tongue (14) having an opening (15) includes a top wall (16), bottom wall (24) and first and second walls (28) and (30) cooperatively connected to form a housing (1...
01/16/1990
4766818Train of highway trailers and method of making
Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend...
08/30/1988
4669391Train of highway trailers
Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend...
06/02/1987
4593829Articulated railway car connection with guided slack adjusting wedges
The present invention relates to articulated railway coupler connections. The butt end of the male articulating connection contacts a follower block which in turn contacts a wedge shaped shim. Such shim provides an essentially slackless feature to the cou...
06/10/1986
4585133Coupler for convertible rail-highway semi-trailer
A convertible semi-trailer for highway and railroad modes of travel includes a coupler device to releasably couple adjacent vehicles end-to-end to form a train for the railroad mode. The coupler includes a male member extending from the end of one of the ...
04/29/1986
4344542Railway gang car coupler
A coupling device for railway motor cars includes a pole or tongue on the motor car with a cam member pivoted on the distal end thereof. A coupling box with converging side walls is secured to the end of the trailing car and has a coupling pin extending f...
08/17/1982
4202277Convertible rail-highway semi-trailer
A convertible semi-trailer having over-the-road or highway running gear with rubber tired wheels and a flanged rail wheel-set and bogie, the body being supported upon said highway running gear and upon said railroad bogie independently by air spring means...
05/13/1980
4139103Mine car coupling including safety mechanism
A safety mechanism for a mine car coupling which includes a draw pin, a pin guide connected to a first mine car with an essentially vertical opening therein for receiving the draw pin, a space beneath the pin guide for receiving a link connected to a seco...
02/13/1979
4087112Trailer coupler
A C-shaped retaining handle is connected to a draft pin and has a cam on an end near the point of connection. A springed washer presses against the cam, thereby securing the handle to lock the draft pin in place, yet permitting the handle to be raised for...
05/02/1978
 
Sign InRegister
Username  
Password   
forgot password?