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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 29/888.2 - Push rod or rocker arm making


Subclass of Class 29 - Metal working
Definition: Process wherein the manufactured article is (1) a bar or
No. of patents: 87
Last issue date: 10/18/2011


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NumberTitleIssue Date
8037601Manufacturing method for rocker arm
The present invention provides a rocker arm manufacturing method capable of stably forming valve stem guide walls. In the method according to the present invention, an intermediate product 13 having both side walls 20 extended in a predetermined direct...
10/18/2011
7797830Method of making an outer lever of a switchable finger lever
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient feature of the invention is that through a special trim...
09/21/2010
7788805Method for manufacturing rocker arm
The present invention provides a rocker arm manufacturing method capable of improving the durability and excellent in productivity. In the method according to the present invention, an intermediate product 13 having both side walls 20 extended in a pre...
09/07/2010
7761988Method of making an outer lever of a switchable finger lever
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient feature of the invention is that a cup-shaped base body...
07/27/2010
7631425Method for manufacturing rocker arm
A method for manufacturing according to the present invention includes a step of obtaining a bent workpiece 13 with prepared apertures 21 and 21, wherein the bent work piece 13 includes a pair of side walls 20 and 20 dispose...
12/15/2009
7418936Engine and valvetrain with compact rocker arm and fulcrum assembly for internal combustion engines
An internal combustion engine having a plurality of intake and/or exhaust valves associated with each cylinder includes a valvetrain having a fulcrum with a plurality of pivot ball sockets each associated with a rocker arm and pivot ball disposed between the fulcrum...
09/02/2008
7398752Rocker arm for valve actuation
The present invention provides an improved rocker arm system for actuating poppet valves in high performance internal combustion engines. The rocker arm provides trunnion journals extending from each side fitted to outboard bearing mounts to guide the motion of the ...
07/15/2008
7392776Rocker arm construction
Disclosed is a unique configuration of a rocker arm per se wherein high stress areas thereof are strengthened and a trunion shaft is rotatively mounted on its push rod end and has a threaded push rod end insertion bore, a unique push rod construction per se wherein ...
07/01/2008
7367301CAM follower
There is provided a cam follower in which a surface roughness of an outer surface of a roller of a cam follower which is in rolling contact with a cam of an engine is obtained individually in an axial direction and a circumferential direction, a skewness Rsk of a pr...
05/06/2008
7360290Method of manufacturing rocker arm
The present invention provides a method of manufacturing a rocker arm, having a process of rough processing, in which a metallic stock is subjected to compression-forming by cold forging to form a connecting portion, side wall lower portions of two side wall portion...
04/22/2008
7258091Rocker arm
There is provided a rocker arm of a kind in which even though the rocker arm is manufactured by the use of a press working technique the arm width can be minimized while the flat outer surface region of a required width is secured on an outer surface of the connecti...
08/21/2007
7222599Rocker arm made of sheet metal and method of manufacturing the same
A rocker arm includes: a body that is made of sheet metal and includes a pair of side walls; and a pair of axial holes that are respectively formed through the pair of side walls and have a first diameter and through which an axis is inserted. The pair of axial hole...
05/29/2007
7185619Rocker arm and method of manufacturing the same
A rocker arm 1 made of sheet metal is formed so that Vickers hardness Hv of the surface layer portion 9a of the valve stem receiver 9 is set at Hv 650 to 800 and a quantity of the retained austenite γR is set at 25 ...
03/06/2007
7185618Sheet metal rocker arm with integrally formed cross member
A sheet metal rocker arm of the welded and brazed tube and “boat type” rocker arm formed from sheet metal and characterized by having a reinforcing cross member which is integrally formed from a tab created by slitting the tube insert and which yields a unitary ...
03/06/2007
7152320Rocker arm and method of manufacturing the rocker arm
In relation to a rocker arm obtained by applying cold forging to a blank made from a metal wire rod, cold forging is applied to a blank obtained by cutting a metal wire rod to a predetermined length to make a second intermediate blank 34b having a pair...
12/26/2006
7089899Stamped two-step rocker arm component
A rocker arm (25) adapted to engage a pair of cam lobes (15,17), the rocker arm having first (31) and second (33) sidewall portions, and being formed from a flat sheet metal blank (25B) having a nominal thickness (T). The sidewall ...
08/15/2006
7077091Polymer matrix composite pushrod
In one embodiment, the invention comprises a polymer matrix pushrod comprising a composite rod having an annular collar affixed over each end portion of the composite rod and an endcap affixed at each end. The composite rod comprises a thermosetting polymer matrix a...
07/18/2006
7062852Rocker arm
A rocker arm comprises an arm body, a shaft and a roller. The arm body formed substantially in a U-shape in section by effecting drawing on a metal plate, includes a connection wall connecting a pair of side walls, an aperture formed through the connection wall, and...
06/20/2006
7043836Manufacturing method of rocker arm
When forces given in the processes of machining in the cross direction and machining for forming a groove are adjusted and the machining is repeatedly conducted by a plurality of times, the valve engaging portion (10) is machined, and the metal flow (30
05/16/2006
7028653Roller rocker mounting mechanism
A roller rocker mounting mechanism for an internal combustion engine valve actuating mechanism includes a first rocker stand having a first locating boss and a second rocker stand having a second locating boss. An indexing link has a first portion separably attachab...
04/18/2006
7021260Rocker arm
A rocker arm 1 includes an arm body 4 prepared from a single plate material by means of a press work. The arm body 4 includes a pair of parallel side walls 5 and a connecting wall 6 bridging between the opposite side walls 5...
04/04/2006
6978750Cam follower provided with rocker arm made of sheet metal
The thickness in the width direction of a pair of side wall sections 4 is made as uniform as possible. In use, a load is applied to the pivot 3 from the side of the first and second connecting sections 5, 6 which connect the pair of side wall se...
12/27/2005
6962134Rocker arm shaft retainer and assembly
A rocker arm shaft retainer includes an elongated contoured sheet-like body having two opposite ends, two opposite sides longer in length than the ends, and a central portion between the sides. A plurality of fingers extend from the central portion towards the sides...
11/08/2005
6959676Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof
A sheet metal rocker arm manufactured by the steps of punching one metal plate to form a blank having a predetermined contour and through holes, and subjecting this blank to a bending work based on a press work to form a pair of side walls parallel to each other and...
11/01/2005
6941590Toilet system attached a multi-purpose hand held sprayer
An improved toilet system affording upgraded hygienic environment by attachment of a multi-purpose hand held sprayer and addition of new features on the existing toilet system are provided. The multi-purpose hand held sprayer that incorporates a manual shut-off valv...
09/13/2005
6932040Metal plate rocker arm and method of manufacturing the metal plate rocker arm
A sheet-metal rocker arm formed by the steps of punch-pressing a sheet of metal member to form a blank having a predetermined shape and a through-hole, of subjecting the blank to a bending process based on pressing to form a pair of substantially parallel side wall ...
08/23/2005
6889643Rocker arm and manufacturing method thereof
A gap (34) for forming an excess thickness portion is provided between a pair of first dies (26, 27) and a intermediate portion (32) of the second die (24), and an excess thickness portion (35) is formed in bottom portions of the v...
05/10/2005
6863040Rocker arm
To provide a rocker arm of a design effective to avoid occurrence of a loosening of the adjustment screw to ensure a proper operation of the internal combustion engine including the control of the opening of the valve body on the engine cylinder head, the rocker arm...
03/08/2005
6854436Composite push rod
An adjustable length composite push rod constructed of a composite bar having two specially shaped ends to which metal end fittings bond via mating surfaces provided thereon for evenly distributing mechanical stress from the metal end fittings to the composite bar. ...
02/15/2005
6651329Method of making a lever-type cam follower
The inventions provides a method of making a lever-type cam follower (2) out of thin-walled light-weight sheet metal for loading at least one gas exchange valve of an internal combustion engine, said cam follower comprising two side walls (12a, 12b) which...
11/25/2003
6634330Valve system for engine
To provide a valve system for an engine, in which a rocker arm is interlocked with an engine valve and is supported on a rocker shaft fixedly mounted to a cylinder head such that it is rockable with the rotation of a camshaft. Accordingly, the size and we...
10/21/2003
6615635Method of making a lever-type cam follower, and lever-type cam follower
A method for making a support (6) for a valve stem in a lever-type cam follower made of sheet metal is proposed. According to the invention, this support (6) with its guide walls (7, 8) is made by cold forging....
09/09/2003
6615782Two-step finger follower rocker arm
A two-step finger follower rocker arm assembly including a follower body having a socket at a first end for engaging a hydraulic lash adjuster and a pad at an opposite end for engaging a valve stem. A passage through the follower body in the direction of ...
09/09/2003
6604499Oil-through type push rod
An oil-through type push rod for, for instance, internal combustion engines including a metal pipe and a metal end fitting which has an oil hole formed therein and is welded to the end of the metal pipe, the metal pipe being provided with a covering layer...
08/12/2003
6601555Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof
A sheet metal rocker arm manufactured by the steps of punching one metal plate to form a blank having a predetermined contour and through holes, and subjecting this blank to a bending work based on a press work to form a pair of side walls parallel to eac...
08/05/2003
6588101Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof
A sheet metal rocker arm manufactured by the steps of punching one metal plate to form a blank having a predetermined contour and through holes, and subjecting this blank to a bending work based on a press work to form a pair of side walls parallel to eac...
07/08/2003
6523514Rocker arm and method of manufacturing rocker arm body
It is an object of the present invention to provide a rocker arm having such a shape as to avoid generation of defects in a producing process and to avoid increase in weight and design change of a finished shape. A valve fitting portion 11 of a body 5 is ...
02/25/2003
6470842Lever-type cam follower
A lever-type cam follower (1) of a thin-walled material like sheet metal is proposed. It has a simply structured valve stem guidance in the region of one of its ends (5). The guidance comprises a separate securing element (6) with a basically U-shaped cro...
10/29/2002
6425361Rocker arm and method of fabricating rocker arm body
A rocker arm, which opens and closes a valve when tilted by a cam and is provided on a cylinder head, has a body made of sheet metal. The body is constituted in such a manner that one metal plate blank is bent into a substantially U shape so that a pair o...
07/30/2002
6382936Electric motor and fan wheel combination, and method for producing it
An electric motor having a housing, having an armature, having an armature shaft supported in two slide bearings, where one of the slide bearings axially displaceably receives the armature shaft and the other slide bearing limits an axial displaceability ...
05/07/2002
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