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

Icon_funbox Quotables

"For a list of all the ways technology has failed to improve the quality of life, please press three."

Alice Kahn

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 298/37 - Closing equalizers


Subclass of Class 298 - Land vehicles: dumping
Definition: Those of the type indicated having a single door-closing
No. of patents: 7
Last issue date: 10/25/2005


NumberTitleIssue Date
6957868Bottom dump farm cart
A bottom dump trailer cart which includes a cargo compartment having a floor equipped with downwardly pivoting dumping panels is constructed such that the panels protect the wheels from the dumped cargo. The cart is capable of riding over the dumped cargo because of...
10/25/2005
5549359Dual use materials transport vehicle with end-dumping and improved belly-dumping capabilities and method of construction
A dual use belly-dumping and end-dumping vehicle includes a frame mounted on wheels for transport and a pivotable hopper carried in the frame. The hopper is provided with angled side walls and end walls defining a top opening and a bottom opening. A pair ...
08/27/1996
4747742Unloading flap for pourable particulate material
An unloading flap of a stationary or mobile silo for pourable particulate material having at least one outlet opening comprises an upper part that is secured to a first silo wall and a lower part that hinges on the upper part and can be tilted into the op...
05/31/1988
4606277Actuating and locking apparatus for longitudinal hopper doors of a railroad hopper car
An apparatus for actuating and locking pairs of hopper doors of a railroad hopper car of the type having a longitudinal center sill and pairs of longitudinally extending chutes, located opposite each other and on each side of the center sill, configured t...
08/19/1986
4580502Device for unloading a container for bulk materials
A device for unloading a container used for bulk materials is such that a container floor is made up at least in part of flaps which can be tilted or swung out away from the interior. To this end at least two flaps are connected via a ridging beam or axle...
04/08/1986
4326750Gate assembly and control assembly therefor
An improved gate assembly and gate control assembly for operatively controlling the movement of the gate assembly in material discharging equipment is provided wherein the gate assembly comprises a first and second clamshell gate member, a connecting asse...
04/27/1982
4181336Hopper car cam lock door operating mechanism
A door lock mechanism for hopper cars includes a longitudinally extending operating rod actuated by a linkage means tripped by a track side cam. The rod in turn actuates cam locks by means of bell cranks which cause the locks to rotate and release transve...
01/01/1980
 
Sign InRegister
Username  
Password   
forgot password?