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

Icon_funbox Did You Know...

...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.

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 74/103 - Straight line motions


Subclass of Class 74 - Machine element or mechanism
Definition: Mechanisms, in which the motion is changed by means of a
No. of patents: 68
Last issue date: 08/30/2011


1    
NumberTitleIssue Date
8006580Lifting device for a two-leaf folding flap
A lifting device is provided for a two-leaf folding flap whose upper leaf is hinged to a top wall or partition wall of a carcass around a horizontal first axis and whose lower leaf is pivotally connected to the upper leaf around a second axis parallel to the first a...
08/30/2011
7316149Inter-pressing-machine work transfer device
The present invention provides a work transfer device for transferring a work between adjoining pressing machines including a work holder (30) for holding a work W, a carrier (23) provided between the adjoining pressing machines (10) and capable...
01/08/2008
7201091Miter saw with increased cutting capacity
A miter saw design with a cutting arm pivot mechanism that allows the pivot point of the cutting arc to move in a predetermined path in the plane described by the rotating cutting surface. The “floating pivot” enables the tool to accommodate larger pieces of mat...
04/10/2007
7159751Wire bonder
The bondhead of a Wire Bonder, that serves to produce a wire connection between two connection points by means of a capillary guiding a wire, is formed as a pantograph mechanism. The pantograph mechanism comprises a first swivel arm driven by a first motor, a second...
01/09/2007
7140163Blister-foil packaging machine
A lower foil formed with upwardly open filled pockets passes horizontally at a constant transport speed through a work station of a machine frame. A support table holds an upper tool immediately above the foil in the station. A double parallelogrammatic linkage has ...
11/28/2006
6910533Mechanism that assists tractoring on uniform and non-uniform surfaces
A six-bar linkage mechanism for conforming to the configuration of a tractored surface having a central link defined by a tool body and a saddle link spaced from the central link and movable for conforming with the tractored surface. A pair of front links each havin...
06/28/2005
6894309Spatial regions of a second material in a first material
A surface-transformation method of forming regions of a second material in a first solid material to control the properties of the first solid material is disclosed. The regions of the second material are formed in the first solid material by drilling holes to a pre...
05/17/2005
6728825Apparatus and method for reducing programming cycles for multistate memory system
An apparatus and method for reducing the number of programming states (threshold voltage levels) required to be traversed when programming a multistate memory cell with a given set of data. The invention first determines the average programming state (corresponding ...
04/27/2004
6669614Method and apparatus for closing open end of carton blank
A carton closure system including a cam having a rear face and a camming surface opposite the rear face, the cam being mounted for linear reciprocation between a position wherein there is applied pressure against partially infolded portions of the end sid...
12/30/2003
6467364Coupling apparatus for rotating a rotatable part with a movable slide
Mechanism for obtaining a couple for maneuvering a part to make it rotate on itself through a quarter turn, from a member moving along a trajectory, via a transmission such that the curve representing the reduction coefficient, which is the ratio of the m...
10/22/2002
6179519Device and a method for moving an object
A device and a method for moving an object are based on the fact that the object (8) is pivotable in relation to a base portion (7) about an axis. There is an arrangement (18) for displacing, during pivoting motion of the object, the object substantially ...
01/30/2001
5816500Contaminant resistant shower pipe assembly
A shower pipe assembly useable in the papermaking process includes a shower pipe, including structure for oscillating the shower pipe along an axial path and a base. Oscillating support structure couple the base to the shower pipe and supports the shower ...
10/06/1998
5662270Contaminant resistant straight line motion shower pipe assembly
A straight line motion producing apparatus useable in the papermaking process includes a base, a first arm rotatable about a first axis being stationary relative to the base during rotation of the first arm. A second arm is rotatable about a second axis e...
09/02/1997
5474376Support linkage apparatus assembly
A support linkage apparatus assembly provides a balanced extension and retraction of supported elements with useful inclination. The supported element comprises the coupler link element mass and is prepositioned between parallel linkage apparatuses. The s...
12/12/1995
5410767Examination table connected to a floor stand via an articulated lever arrangement
An examination table has a patient support plate attached to a floor stand so as to be movable relative to the floor stand in the longitudinal direction of the support plate. The support plate is generally rectangular, and has one side which is longer tha...
05/02/1995
5396816Single powered dual movement motion device
A single powered dual movement motion device preferably mounted on the distal end of a boom and connected to a platform adapted to carry a wheel chair of a handicapped person. The motion device has a base frame that mounts it on the boom. A first extensio...
03/14/1995
5237887Straight line mechanism
The apparatus includes a static base, a platform, a first arm assembly, and a second arm assembly. The first arm assembly has a first terminal portion pivotally connected at a first pivot point to a first portion of the static base and a second terminal p...
08/24/1993
5222409Industrial robot arms
An articulated robot arm or the like comprising a base, an upper arm which is pivotally secured to the base at a shoulder joint, a lower arm pivotally secured to the upper arm at an elbow joint, and optionally a "hand" or tool support pivotally secured to...
06/29/1993
5182961Three degree of freedom translational axis hand controller mechanism
A hand controller which includes a hand grip having therein a mechanism for allowing truly linear motion along at least two axes by modifying a four-bar linkage with a second four-bar linkage to counteract any rotational motion that would otherwise occur....
02/02/1993
5150627Control device for a tiltable mounting head
A control device for a tiltable mounting head, such as the mounting head for a camera, includes a pantographic-type linkage. The angular position of an arm (24) supporting the mounting head (26) is controlled relative to a locating arm (12), whose remote ...
09/29/1992
4930713Mill roll stand
The known mill roll stand in a feeding apparatus of a rolled sheet of the type including at least one pair of arms having rolling centers at their tip ends and constructed so as to be swingable about an arm shaft at their base ends and so as to be movable...
06/05/1990
4862758Hinge assembly for folding implement frame
An implement floating frame hinge assembly is provided for accommodating the folding of pivotally connected first and second frame sections wherein a first lever is pivotally connected to the first frame section, a second lever is connected between the se...
09/05/1989
4854810Parallel translation mechanism
A parallel translation mechanism, when connected between a first element and a second element, maintains the relative direction between the two elements constant when one of those elements is moved relative to the other. The mechanism is in part formed by...
08/08/1989
4810161Reach attachment
A reach mechanism for use on a material handling device having a load support carriage such as an industrial lift truck and a load carrier. The reach mechanism has a rear mount attachable to the carriage, a front mount for supporting lift forks or the lik...
03/07/1989
4755102Fork-lift truck
In a fork-lift truck comprising a wheeled structure carrying a lifting arm with a first part articulated at its rear end to the structure and a second part projecting downwardly from the front end of the first part and carrying a forked loading platform, ...
07/05/1988
4750605Workpiece transfer system
A system for transferring workpieces generally vertically from a station at one height in a workpiece support or transfer device to a station at another height in another transfer device or support. The workpiece is moved vertically by an elevator which t...
06/14/1988
4749330Transport mechanism
A transport mechanism for silicon wafers comprises an elongate four arm linkage and a wafer support arm which is secured to the linkage through a gearing system. One of the short arms of the linkage is fixed, and as the linkage is rotated, the gearing sys...
06/07/1988
4736641Self-supporting, trackless, rectilinear load transporter
An improved straight line motion gate mechanism which translates gate position to an open/closed position without any perceptible vertical motion and without any moving contact with either the ground or the use of a track. The gate may assume a wide range...
04/12/1988
4718292Mechanism for guiding an element parallel to itself
The mechanism comprises a movable part having one main point actuated by a crank, another main point guided along a slide having a desired profile, and a driven point which follows a desired path, depending upon the path of the two main points. A driven m...
01/12/1988
4709588Operating arm for an earth-moving and foundation machine
An operating arm for earth-moving or foundation machines consisting of an upper and a lower arm pivotally connected via a device for equal angular movement for guidance of various tools on a straight-line force path of great length. The direction of this ...
12/01/1987
4702511Tailgate closure mechanism
A powered closure mechanism for moving a tailgate from an open position to a closed position comprises a reciprocating drive mechanism mounted on the tailgate and a power transmission which connects the reciprocating drive to the tailgate so that it will ...
10/27/1987
4684088Support apparatus for an optical observation device
The support apparatus in the form of a stand possesses an arm component projecting transversely from a stand component. A surgical operating microscope is arranged at the end of the arm component. A guide linkage with a double scissors type carrier linkag...
08/04/1987
4681554Toy device which can be opened and positioned at any desired angle
A toy device is disclosed which can be opened at any angle desired by means of a mechanical structure, which comprises mainly a fixed member with two notches being furnished at both ends respectively; two movable members, of which the bottom ends are fixe...
07/21/1987
4671126Walking beam pumping unit
The walking beam of a pumping unit is suspended from an oscillating hanger arm. It is pivoted at one end to a crank and to a link, the other end of the latter being pivoted to a fixed position shaft. At the other end of the walking beam is a point which f...
06/09/1987
4669607Workpiece transfer
A multiple station conveyor having a lift and carry shuttle to advance workpieces. To permit a normal work height for the workpieces when in the stations while providing a relatively long vertical stroke for the shuttle it is raised and lowered by Scott R...
06/02/1987
4655097Device for varying feed stroke of feed bars for use in a transfer press
This invention relates to a device for varying feed stroke of feed bars for use in a transfer press. According to the device of the invention, the feed stroke of feed bars is varied by the action of a substantially parallel four-node linkage connected thr...
04/07/1987
4651578Well pumping unit
An improved oil well pumping unit has an arc latch which is remotely actuable so that a workman is not required to climb onto, or be in the immediate vicinity of the arc, in order to move the arc to an inoperative position spaced from the centerline of th...
03/24/1987
4635493Reciprocator for die-casting machine
Apparatus for moving a reciprocating fluid emission head automatically through successive operating cycles, into and from a space within which predetermined operations are to be performed. The apparatus includes a frame mounted at one side of the operatin...
01/13/1987
4601626Arrangement for swinging an attachment holder for the equipment of a hydraulic excavator
Arrangement for swinging an attachment holder for the equipment of a hydraulic excavator around an axis perpendicular to the platform plane of the upper carriage, in a working direction parallel to the longitudinal direction of the excavator chassis. The ...
07/22/1986
4563788Top drying nozzle device for vehicle washing apparatus
A top drying nozzle device for a vehicle washing apparatus has a link mechanism for supporting a top nozzle. The link mechanism has a pantagraph mechanism and two parallel link mechanisms so that the top nozzle can be moved vertically in a forward positio...
01/14/1986
1    
 
Sign InRegister
Username  
Password   
forgot password?