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

Icon_funbox Bizarre Patents

Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

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 172/826 - Including adjustable length device between mounting means and upper corner portion of blade


Subclass of Class 172 - Earth working
Definition: Apparatus having a variable length device (e.g., a jack,
No. of patents: 33
Last issue date: 10/17/2006


NumberTitleIssue Date
7121355Bulldozer autograding system
A dozer blade control system controls the position of a bulldozer blade, maintaining the blade at a constant position as the dozer travels through a worksite. The control system monitors the angle of the dozer blade with respect to the earth and when it senses that ...
10/17/2006
7013983Blade mounting structure of bulldozer
A blade mounting structure of a bulldozer capable of increasing visibility of a blade is provided. For this purpose, in the blade mounting structure in which a left and a right portions of a blade (1) and a vehicle main body are connected with a set of left a...
03/21/2006
6273198Pitch control system
A pitch control system for a bulldozer having a bulldozer blade that is mounted to a blade linkage. The bulldozer blade is coupled to the blade linkage by a bearing that permits the right and left angling movement of the bulldozer blade and the forward an...
08/14/2001
6073069Device for stabilizing the mast tilting angle of a cargo equipment and control method for the same
A device for stabilizing mast tilting angle of a cargo equipment with a tilt-cylinder for controlling the angle of the mast; a main valve for driving said tilt-cylinder according to the operation of the driver as to the direction of the hydraulic fluid; a...
06/06/2000
5799737Blade apparatus and its control method in bulldozer
A hydraulic drive system for the pitch cylinders (4A, 4B) of a bulldozer blade apparatus can include (a) main hydraulic pumps (30A, 30B) and an assistant hydraulic pump (31) to make up the assistant hydraulic circuit, (b) variable displacement hydraulic p...
09/01/1998
5769168Blade tilt angle limiting function for a bulldozer
A control system regulated the tilt of an implement of an earlier working machine. Fluid operated lift and tilt cylinders are connected to the implement. Hydraulic control valves deliver pressurized hydraulic fluid to the lift and tilt cylinders. A contro...
06/23/1998
5732781Mechanism to laterally tilt front end loader buckets
A mechanism to interfit between the bucket of a front end loader and its support and tilting arms allows the bucket be tilted in a laterally extending vertical plane. The mechanism provides a rear plate, having rearwardly extending fastening structure to ...
03/31/1998
5560431Site profile based control system and method for an earthmoving implement
Apparatus and method for automatically controlling the position of an earthmoving implement of an earthmoving machine in response to varying ground profiles....
10/01/1996
5555944Twin-scrape dozer
A twin-scrape dozer, capable of maintaining a satisfactory balance during earth loading, of loading a larger quantity of earth, of efficiently conveying earth even over a soft ground, and of adjusting the rate at which earth is scattered, has a crawler ty...
09/17/1996
5467829Automatic lift and tip coordination control system and method of using same
An automatic lift and tip coordination system for use in connection with an off-highway vehicle having an implement causes an automatic adjustment to the implement lift actuators in response to an operator change in the implement tip angle so that the imp...
11/21/1995
5462125Automatic tip angle control
An off-highway vehicle having an earth moving implement has a tilt function associated with the implement. For example, a bulldozer has a tilt function associated with the bulldozer blade. The vehicle has a processor adapted to receive a position signal f...
10/31/1995
5343960Caterpillar track attachment
The caterpillar track attachment is provided for a vehicle having a drive shaft and a steering mechanism. The attachment comprises a pair of endless caterpillar tracks for propelling the vehicle, a frame for supporting the vehicle, drive devices to be ope...
09/06/1994
5092409Coupling and lifting system for an implement, in particular an agricultural implement, that can be mounted on the front of a tractor
A system includes two lower articulated longitudinal arms (6, 7) provided on their front ends with two bottom hitching points (8, 9), and an upper arm (10) in the middle, for hitching an implement at a third point; valves for controlling the rise and desc...
03/03/1992
5069296Pitch/tilt dozer
An apparatus adapted to permit independent setting of pitch and tilt of dozer blades without necessitating complex hydraulic circuitry or mechanical linkage. The blade is pivotally supported by two forwardly extending push beams. A strut is connected at o...
12/03/1991
4884940Loader bucket transport link
A connecting link for use on a bucket loader mountable on a tractor to control the pivotal movement of the bucket relative to the mounting frame to which the bucket is attached is disclosed wherein first and second members are telescopically associated to...
12/05/1989
4802537Control circuit for positioning and tilting an earthmoving blade
Fluid control circuits commonly control actuation of a pair of cylinders for positioning an earthmoving blade. The known circuits for providing the three operating modes of the cylinders utilize a separate control valve for each cylinder thereby making pr...
02/07/1989
4664203Blade support for bulldozers and the like
Improved support structure for the blade of a bulldozer and the like wherein a first push arm is attached for swiveling movement to the tractor frame near the rear end thereof and extends into swiveling connection with the blade and a second push arm is a...
05/12/1987
4562891Front vehicle blade mount
A hitch for mounting an implement on the front end of a vehicle relative to he normal travel direction thereof has a main frame having a rear end pivoted on the vehicle about a generally horizontal rear main axis and a front end spaced forward therefrom in...
01/07/1986
4505339Hydraulic control for a dozer blade
A hydraulic circuit for pitch and tilt control of a dozer blade attached to push arms on a vehicle with a pitch ram connected between one push arm and the blade and a dual actuator consisting of a second pitch ram and a tilt ram connected at their head en...
03/19/1985
4464852Dozer attachment for excavator
An excavator has a dozer blade coupled to transversely spaced first and second fore-and-aft extending drive housings thereof by first and second separate push beams having their respective forward ends universally coupled to the blade. The first push beam...
08/14/1984
4405019Adjustment and stabilizer mechanism for dozer blade
A mechanism for angling, pitching, and tilting a dozer blade utilized in a conventional bulldozer wherein the blade is pivotally connected by an angling frame to the forward ends of push arms. A tilt-pitch control assembly for the blade is provided includ...
09/20/1983
4352398Circuit for pitch and tilt of dozer blade
A circuit for controlling pitch and tilt of a dozer blade in which two cylinders are connected between the dozer blade and the dozer push arms. One cylinder only is extended and retracted to achieve tilt, and both cylinders are operated in unison to achie...
10/05/1982
4337836Bulldozer linkage
A linkage arrangement is disclosed for connecting a dozer blade and pushbeams which reduces blade roll-back during lifting thereby making it substantially more difficult for dirt and the like to cling to the blade. The linkage arrangement includes a pair ...
07/06/1982
4311200Bulldozer
A distinguishing feature of the present invention lies in that the element compensating the power loads is installed in the body of the non-angling blade and made in the form of a vertical joint which forms, together with the horizontal joints of the push...
01/19/1982
4139066Hydraulic tilt and pitch control for dozer blade
A hydraulic control is provided for selectively effecting tilt and pitch movement of a dozer blade via selected operation of tilt and pitch control valves which are connected in parallel with each other in two conduit networks, the first being connected t...
02/13/1979
4133392Cushion link and hydraulic stabilizer for bulldozer blade
A bulldozer blade mounting assembly is provided for mounting a bulldozer blade on the front of a tractor. The mounting assembly includes a push frame connected between the tractor and the lower portions of the blade. A combined cushioning and stabilizing ...
01/09/1979
4098350Bulldozer blade push arms
A push arm for a bulldozer including a first C-shaped plate having a first base and first and second legs, and a second C-shaped plate having a second base and third and fourth legs, the first and second legs overlapping the third and fourth legs, respect...
07/04/1978
4029157Material pushing vehicle having pivotal blade portion
A work vehicle of the material pushing type has a blade having first and second portions. The second blade portion is pivotally movable in response to forces subjected thereupon. Biasing means is provided for urging the second blade portion in a preselect...
06/14/1977
3998277Bulldozer assembly with means for pivotally connecting the push arms thereof
A bulldozer assembly comprises a pair of laterally spaced push arms pivotally mounted at their forward ends to a blade. A stabilizing member is secured to each of the push arms and the members are disposed rearwardly of the blade in disconnected relations...
12/21/1976
3997007Implement positioning hydraulic control system
A hydraulic control system is disclosed for selectively directing fluid to a pair of reciprocable jacks connectably disposed intermediate a frame and an implement such as a bulldozer blade for tilting and tipping the blade relative to the frame. The contr...
12/14/1976
3974881Bulldozer blade mounting
Bulldozer blade mounting including two push arms swingably mounted on the opposite sides of a tractor at their proximal ends, a blade connected to the distal ends of the arms, a tilt brace connected between the top of the respective arm and the upper side...
08/17/1976
3974882Cellular bulldozer blade with built-in support brackets
A cellular bulldozer blade is disclosed which is adapted to be carried by a plurality of support members. The blade includes a transversely extending moldboard having a front face for carrying earth or the like and a rear face, and a plurality of plates a...
08/17/1976
3939919Bulldozer frame with arm stress equalizer
Arm stress equalizer in tiltable, diagonal strut braced, bulldozer blade mountings, comprising an intervening link having closely adjacent portions of the link proper universally connected to the inner end of different ones of the diagonal struts, and hav...
02/24/1976
 
Sign InRegister
Username  
Password   
forgot password?