Class 198/750.7 - Piston drive

Subclass of Class 198 - Conveyors: power-driven
Definition: Subject matter wherein the reciprocating movement of a single
No. of patents: 37
Last issue date: 01/18/2011

Number	Title	Issue Date
RE42031	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and at least one transport tray supported by the housing and operatively connected to the drive system. The drive system includes a seal-less pneumatic e...	01/18/2011
RE41962	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and at least one transport tray supported by the housing and operatively connected to the drive system. The drive system includes a seal-less pneumatic e...	11/30/2010
7290648	Device for moving a heavy load Arrangement for moving a heavy load wherein the arrangement includes at least one actuating unit. The at least one actuating unit utilizes a support for supporting the heavy load. A plurality of jacks are coupled to the support. A first movable element is adapted to...	11/06/2007
7185754	Conveyor A conveyor (10) that delivers product to a plurality of transverse conveyors of chutes (11). The conveyor (10) includes conveyor segments (12) along which the product is conveyed. Product is removed from the conveyor (10) by the la...	03/06/2007
7083042	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and at least one transport tray supported by the housing and operatively connected to the drive system. The drive system includes a seal-less pneumatic e...	08/01/2006
7070041	Linear guide unit A linear guide unit has an elongated guide housing having a longitudinal axis and having walls bordering a guide cavity, with two side walls form a longitudinal opening of the guide cavity, a slider that is movably guided in the direction of the longitudinal axis on...	07/04/2006
6988611	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and a transport tray also operatively supported by the housing. A drive system includes a seal-less pneumatic engine which acts to drive the transport tr...	01/24/2006
6899218	Pneumatically actuated beltless conveyor A pneumatically actuated, beltless conveyor assembly includes a housing, a drive system supported by the housing and at least one transport tray supported by the housing and operatively connected to the drive system. The drive system includes a seal-less pneumatic e...	05/31/2005
6749057	Sealing means for sliding unit With a sealing structure for the sliding unit disclosed here, a sealing member of foam rubber is disposed in a way closing a clearance left open between widthwise opposing covering shells installed on a track rail. A covering shell is composed of a covering side sec...	06/15/2004
6685178	Linear guiding apparatus for machine tool There is provided a linear guiding apparatus for a machine tool, the system having both of rapid characteristics of a rolling guide which does not deteriorate the precision of movement, and damping characteristics of a sliding guide which is hardly influe...	02/03/2004
6662934	Transfer apparatus A rodless cylinder comprises a cylinder tube, and a slide table which is movable back and forth along the cylinder tube. A cover member is fixed to the cylinder tube in a state in which an attachment base is secured to the slide table. A dust-preventive m...	12/16/2003
6637584	Component carrying device A component carrying device has a simple constitution, and is capable of lining up components and carrying them in one direction with high reliability. The device comprises a guide groove for lining up components into one line and guiding them; a carrying...	10/28/2003
6520320	Linear stage with seal band The present invention relates to a linear stage with a seal band, including a dustproof belt, wherein the dustproof belt is made of high-molecular material, so that the loss value of the power of the movement seat of the linear stage may be reduced. In ad...	02/18/2003
6308821	Linear working apparatus A rail member and a rodless cylinder are arranged closely substantially in parallel to one another, and shock absorbers and the rail member are arranged closely substantially in parallel to one another. Accordingly, it is possible to arrange, in an ideal ...	10/30/2001
6189683	Differential impulse conveyor with linear motor drive A differential impulse conveyor includes a conveyor base 12 and a tray 16 movable in a forward direction to move goods with the tray and in a backward direction to slide goods along the tray. A pair of tray support members 18, 20, 192, 200, 222 interconne...	02/20/2001
6142030	Actuator and actuator system An actuator has a linearly elongate frame, side, end, and top covers detachably and selectively mounted on side surfaces of the frame, a table mechanism displaceable in the axial direction of the frame in response to energization of an electric motor, and...	11/07/2000
6123224	Bulk solids transport system and method A system for conveying particulates which includes a trough adapted for receiving and holding the particulates being conveyed and a fluid operated, piston and cylinder mechanism for oscillating the trough. The mechanism allowing oscillation by first incre...	09/26/2000
6039092	Conveyor drive and control system Method and apparatus for conveying a plurality of containers to a filling station for supplying the containers with paints or coatings. The conveyor is periodically driven to the filling station by a rotary actuator including a plurality of air motors whi...	03/21/2000
6026949	Drive units and drive assembly for reciprocating slat conveyors Three tandem drive units are provided. Outward variable volume working chambers at one end of the drive units are connected via passageways in the piston rods with inward variable volume working chambers at the opposite end of the drive units. In similar ...	02/22/2000
6003660	Drive units and drive assembly for a reciprocating slat conveyors Three tandem drive units are provided. Outward variable volume working chambers at one end of the drive units are connected via passageways in the piston rods with inward variable volume working chambers at the opposite end of the drive units. In similar ...	12/21/1999
5996773	Fluid drive for reciprocating floor An enclosed fluid drive system for cycling the beams in a reciprocating floor between a reset position and a delivery position wherein an array of fluid motors engages the beams for moving the same and the fluid drive system includes an exhaust system whe...	12/07/1999
5931284	Reciprocating tube conveyors A plurality of elongated, generally side-by-side conveyor tubes (28) are positioned within a material container (10) to provide spaces (30) between the conveyor tubes (28). A drive mechanism (DM) is connected to ends of the conveyor tubes (28), for recipr...	08/03/1999
5860508	Reciprocating tube conveyors A plurality of elongated, generally side-by-side conveyor tubes (28) are positioned within a material container (10) to provide spaces (30) between the conveyor tubes (28). A drive mechanism (DM) is connected to ends of the conveyor tubes (28), for recipr...	01/19/1999
5699897	Drive mechanism for a linear motion conveyor A drive mechanism is provided for interconnection between a motor having a substantially constant rotational output and a linear motion conveyor. The linear motion conveyor includes a tray which may be movable in a first reciprocating direction at a slow ...	12/23/1997
5484051	Balancer A balancer is installed with a frame directed substantially vertically. When an electric motor is energized, a ball screw shaft is rotated about its own axis, displacing a table mechanism in a substantially vertical direction. Simultaneously, a cylinder i...	01/16/1996
5467859	Vibrator for transporting articles A vibrator for transporting articles has a base, a sliding carriage having an article-carrying surface, a piston arrangement with two expansion chambers in the base for vibrating the carriage, and a pneumatic valve assembly operated by the piston arrangem...	11/21/1995
5427229	Control system for reciprocating floor conveyor A plurality of drive motors are operated by fluid pressure for reciprocating the floor slats of a reciprocating floor conveyor. A switching valve alternately connects the forward and rear ends of the motors to pressure and return to reciprocate the slats....	06/27/1995
5390781	Mounting assembly and method for reciprocating slat conveyor A drive frame assembly includes opposite transverse drive frame members (64), each of which includes a metal plate (66) with a central portion having a plurality of longitudinal corrugations (68). The central portion is stiffened by transverse beams (78, ...	02/21/1995
5361706	Conveying system with tensioning and docking assembly and method A conveying or transportation system having a haul rope (22) mounted for movement along a path, a terminal (31) positioned along the path and having a docking surface (52), and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is co...	11/08/1994
5147031	Flat stroke conveyor This relates to an oscillating or reciprocating conveyor wherein the work pieces move in a single plane, generally horizontal, and wherein the conveyor, if desired, may also be a rocking conveyor. This particularly relates to a drive for such a conveyor w...	09/15/1992
5063981	Method and means of conveyance of solid matter in pieces or particles Method and means of conveyance for solid material, f.ex. tree trunks (6) or bark, whereby the solid material is conveyed with parallel, oblong transfer elements (4) moving back and forth in transfer direction. A larger part of the surface of the transfer ...	11/12/1991
4854444	Precise feeding mechanism A device for feeding a stage in a direction, the device including: first driving system for relatively coarsely feeding the stage, the first driving system having a piston and a cylinder combined in an assembly; locking system for selectively inhibiting r...	08/08/1989
4824095	Device for positioning a thin object of low stiffness The device comprises a conveyor (A) driven with a reciprocating movement by means of a jack (V1) and on which the object (T) is placed in any way, wherein a stationary stop (CO), located crosswise with respect to said movement, acts as a deviating means a...	04/25/1989
4658947	Transfer mechanism A device for removing or sending an article from a conveyor of a transport system to and from work stations located therealong comprising platforms capable of being raised or lowered so that an article being carried by the conveyor can be taken out of phy...	04/21/1987
4505380	Fluid pressure operated reciprocating conveyor A fluid pressure operated reciprocating conveyor in the form of a pan feeder comprises a base, an elongated conveyor trough reciprocably mounted on the base, a drive cylinder connected between the base and trough, a constant volume pump, a solenoid-operat...	03/19/1985
4456121	Load moving apparatus A load moving apparatus for moving loads such as tools, fixtures or parts in a linear path comprising an elongated channel-shaped frame member having a pair of rod-like guide members which support a carriage member for the movement in a reciprocating path...	06/26/1984
4192419	Conveyor A conveyor having a frame, a piston and cylinder unit operable by means of pressure fluid and secured in the frame, a spring assembly for actuation of the piston, a holder mounted on the frame and reciprocable by means of the piston and cylinder unit and ...	03/11/1980

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Class 198/750.7 - Piston drive