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Class 74/567 - Cams


Subclass of Class 74 - Machine element or mechanism
Definition: Elements comprising a rotatable, oscillatable, or reciprocable
No. of patents: 512
Last issue date: 05/08/2012


                    13  
NumberTitleIssue Date
4187762Drive and motion synchronizing apparatus for a hydraulic system
An apparatus providing for the generation, control and application of power to a cyclic functioning machine, using fluids under pressure to transmit and control energy by means of a rotary, segmented cam wheel. The cam wheel provides a plurality of interc...
02/12/1980
4182435Cam actuated disk brake mechanism
A simple and compact disk brake mechanism which includes a housing having a pair of slightly separated flat guide walls, a plate-like brake member in the housing which is slideable against the disk brake, and a plate-like camming member slideable in the h...
01/08/1980
4170148Double oscillating motion-single linear motion cam
For use in a speed change transmission having shift rails to effect speed changes, a shaft carrying a double oscillating motion - single linear motion cam, with a cam follower surface in a shift rail being adapted to cooperate with the cam to effect axial...
10/09/1979
4149607Support link adjustment means
A stabilizer for stabilizing a drive carried on a frame. The stabilizer includes a stiffener element which is connected between a portion of the frame and the drive. The stiffener element is connected by means of an eccentric connector which is adjustably...
04/17/1979
4143905Motor-vehicle seat hinge
A motor-vehicle seat has a seat part and a back part interconnected by means of a hinge having a first hinge element secured to one of these parts and a second hinge element secured to the other part and pivotal on the first element about a horizontal axi...
03/13/1979
4137009Pivoted blade barrel rotor wind turbine
The disclosed wind turbine has zero mean camber airfoil blades vertically pivoted at the outer ends of pairs of radius arms. The inner ends of the radius arms are fixed to a rotating mast. Each blade is provided with a steering vane. The deflection of eac...
01/30/1979
4130746Snap-action cam for timer switch
A snap-action camming means for use in controlling a double throw electrical switch. The switch may be biased to a first condition and substantially instantaneously thrown to a second operating condition by a spring associated with the cam. A single cam a...
12/19/1978
4123182Cam drive for matrix print heads and the like
In a print head assembly for calculators and the like, the print head is reversibly driven in a print and return direction transversely of the direction of advancement of the recording medium by a drum segment having a cam drive in the form of an endless ...
10/31/1978
4103562Sewing apparatus
In an apparatus for sewing articles, such as sewing a slide fastener chain to an opening in an article, stitching of thread to an article is initiated by a manual control and is terminated by an automatic control in response to the sensing of a terminal p...
08/01/1978
4097702Cam actuated switch
A cam actuated switch permitting rotation in one direction with snap action and in the other direction without snap action. When the cam is rotated in one direction, the switch contacts are opened rapidly by a substantially radial step on the cam surface ...
06/27/1978
4094201Fuel injection pump for internal combustion engines
The invention relates to a fuel injection pump for internal combustion engines provided with a reciprocating and simultaneously rotating pump piston which serves as a fuel distributor and an associated cam drive mechanism arranged to actuate the pump pist...
06/13/1978
4079637Picture taking (recording) and reproducing (replay) device
The invention relates to a tape handling device associated with a picture-taking (recording) or reproducing (replay) device having a drive motor, a transmission gear to be actuated by the motor, a reversing device for reversing the sense of rotation of th...
03/21/1978
4076437Positive cam lock for extension pole
A positive cam lock for a pair of telescoping extension poles. The cam support is mounted to the inner pole and carries a coaxially rotatably mounted idler cam and an eccentrically rotatably mounted locking cam. The outer pole has a number of inwardly ext...
02/28/1978
4075893Radially moving trigger mechanism and transmission overspeed inhibitor using same
The invention comprises a trigger mechanism providing stepwise linear motion responsive to a shaft rotating above a predetermined rate. The trigger mechanism comprises a rotating shaft having a collar thereabout attached to rotate therewith. Also part of ...
02/28/1978
4072448Built-up mainshaft for multi-unit rotary mechanisms and method of manufacture thereof
The built-up mainshaft has a plurality of eccentric elements secured to an elongated shaft element in end-to-end angular off-set relationship to each other. Each of the eccentric elements has integral cylindrical body and axially extending sleeve-like por...
02/07/1978
4057007Rotary fluid device having two rotor sections
A rotor comprises two rotor sections mounted coaxially on a shaft for limited axial movement relative to each other. The two sections are slightly spaced axially from each other and one defines a peripheral porting surface engaging a second porting surfac...
11/08/1977
4052582Rotary selector switch
A rotary selector switch characterized by a rotatable switch actuating unit and two switch structures, the actuating unit having a shaft with multiple sides on which a cam is detachably mounted for operation in a plurality of modes to operate the switch s...
10/04/1977
4049102Clutch shifting mechanism
The invention relates to shift control mechanisms for clutches in which a cam and follower are used to control shifting of the clutch....
09/20/1977
4046027Apparatus for transmitting motion to tools in cigarette packing machines or the like
A cigarette packing machine wherein one or more indexible turrets for portions of or entire cigarette packs and the tools which treat the portions of or entire packs receive motion from a transmission having an input element which is a main drive shaft, s...
09/06/1977
4036185Energy-efficient valve gear
A valve train comprises a cylinder head and poppet valve thereon, a valve-actuating rocker platen pivotally mounted on the cylinder head by means of a pivot member so that the platen may pivot between positions on either side of the member, a valve connec...
07/19/1977
4031776Cams suitable for use in motion transmitting mechanism and motion transmitting mechanism incorporating such cams
A copying machine which can reproduce convex or concave surfaces having smaller radii of curvature at the edge than at the center, for example the surfaces of moulds for making contact lenses, has a cam assembly including a cam with a part-cylindrical cam...
06/28/1977
4015901Photographic film positioning mechanism
A positioning mechanism primarily but not exclusively for positioning a microfiche film held in a movable frame relative to a camera lens or to pick-up, transfer, titling and release stations where a high degree of accuracy is required, comprising one or ...
04/05/1977
4015270Shock proof event recorder
A pivoted pointer or stylus is mounted for actuation by reciprocatory plunger action. It has a stop associated with the plunger to hold the stylus locked in a neutral position until the plunger is actuated. The stylus has a cam action surface for cooperat...
03/29/1977
4008900Indexing chuck
An indexing chuck assembly to hold a work piece so work may be performed on it in differently rotated positions, as on a lathe. The chuck block is rotated between a lifting arm and a table member, the bottom of the chuck block having a cammed shaft which ...
02/22/1977
3999277Method of manufacturing assembly-type camshaft
This invention relates to camshafts of the assembly type and the manufacture thereof, in which a shaft part and cam parts are first formed separately, as individual parts of simple configuration. The cam parts are then freely mounted on the shaft part, th...
12/28/1976
3981281Cam for controlling valves of an internal combustion engine
A cam for controlling the valve of an internal combustion engine which controls the valve by means of a valve tappet having a flat bottom, against the thrust of a closing spring. The acceleration and the deceleration regions are divided into a total of fi...
09/21/1976
3977692Extensible support structure
An extensible support structure comprising a housing formed of a pair of U-shaped members arranged to form an elongated passageway which telescopically receives a third member characterized by a cam member extending through aligned apertures in the first ...
08/31/1976
3967711Ratchet type safety claw clutch
A safety claw clutch wherein the adjacent end faces of driving and driven rotary clutch elements have alternating claws and recesses and the driven clutch element is biased axially against the driving clutch element by a spring. The bottom surfaces in the...
07/06/1976
3963343Camming systems
A cam system to drive an oscillating mirror used to keep the movement images projected onto the moving drum of a xerographic reproduction machine in register. The cam system uses a cam, a cam follower, a drive to move the cam follower to and from a start ...
06/15/1976
3946766Power loom dobby shedding motion
This dobby shedding motion for power looms comprises essentially a series of twin cams mounted on a common drive shaft and oscillating arms each provided with a pair of roller followers adapted to co-operate with said cams. Each cam assembly comprises a p...
03/30/1976
3942757Valve actuating mechanism
A spring biased poppet valve has the exposed end of its poppet plunger engaging the underside of a lever, and the poppet and lever are biased upwardly so that a tit on the upperside of the lever engages a cam surface defined on a cam member loosely mounte...
03/09/1976
3933321Device for simultaneously traversing thread guides of a winding apparatus for taking-up plural threads
An improved traverse device of a winding apparatus for simultaneously taking-up a plurality of threads so as to simultaneously form a plurality of thread packages, the traverse device provided with a common traverse cam for creating traverse guide motion ...
01/20/1976
                    13  
 
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