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

Icon_funbox Quotables

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

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 271/3.24 - Including gripper couple


Subclass of Class 271 - Sheet feeding or delivering
Definition: Subject matter including at least two elements having surfaces
No. of patents: 20
Last issue date: 03/13/2012


NumberTitleIssue Date
8132805Method and apparatus for feeding sheets to a processing machine
In a method and an apparatus for feeding sheets to a processing machine, in particular a printing press, provision is made for the sheet to be accelerated to processing speed by use of at least two acceleration stations arranged one after the other. One of the accel...
03/13/2012
7694949Custodial lapped stream mechanism
A device is provided for transferring printed sheet material products including a gripper conveyor having a plurality of grippers for gripping a plurality of printed sheet material products, a sheet conveyor for receiving the plurality of products from the plurality...
04/13/2010
7360759Apparatus for transferring products to a conveying arrangement
The invention relates to an apparatus by means of which sheet like products which follow one after the other along a feed section are transferred to a conveying arrangement with individually controllable grippers which can be moved in the conveying direction, are ar...
04/22/2008
7267333Power transmission device and sheet feeding apparatus equipped therewith
A power transmission device includes a driving gear having gears over an entire circumferential surface thereof, a follower gear including an intermittent gear having a toothless portion, and a controller for controlling the follower gear to be engaged with or disen...
09/11/2007
7204486Sheet discharging apparatus
A sheet discharging apparatus is constructed of a sorting device and a reversible conveying device. Normal sheets are fed by the sorting device and conveyed in an arrangement in zigzag in two rows and conveyed on a primary path. Near an exit of the primary path, the...
04/17/2007
7089711Feeder provided with automatic size recognition for a packaging line
A feeder for feeding products to be dispatched, such as, for instance, documents, periodicals, CDs, DVDs, and the like, to a conveyor of a packaging line, provided with transport pushers, the feeder being provided with a magazine for storing a stack of products, the...
08/15/2006
6799008Electro photo multi functional peripheral apparatus
An electro photo multi functional peripheral apparatus comprises a main body which is provided with an optional device such as a duplex module, a sorter, a power stacker and a large scale paper feeding unit at one side thereof. A feeding unit for feeding a recording...
09/28/2004
6746010Apparatus for conveying sheet-like recording material
An apparatus for conveying a sheet-like recording material is provided. The conveying apparatus includes a recording material feeding device for feeding the sheet-like recording material to a rotating drum from a feeding guide disposed in a direction tangential to t...
06/08/2004
6644187Printer and sheet conveying device therefor
A printer of the present invention includes a chain-delivery type of sheet conveying device arranged in an image transfer region that adjoins image transfer drums. The sheet conveying device includes a pair of drive pulleys, a pair of driven pulleys, a pa...
11/11/2003
6406014Method and apparatus for transporting objects arriving in an overlapping formation
Flat rectangular objects, such as printed products, arrive in an overlapping formation and have a specific first extent A1 and a variable second extent A2, A2 ' running at right angles thereto. The objects 10 are conveyed ...
06/18/2002
6347793Method and apparatus for constraining the open edge of a signature during transfer
An apparatus and method designed to eliminate dog-earring of the comers of the open edges of a folded signature or book without the need for the use of electrostatic adherence. A guide mechanism is provided between a tape drive, a divert cylinder and/or a...
02/19/2002
6293535Device for individualizing blanks of paper, plastic, or similar materials
An individualization and transport device for blanks has a vacuum feeder with an endless belt circulating in a timed drive cycle in a transport direction. The endless belt of the vacuum feeder has an upper belt portion and a lower belt portion. An individ...
09/25/2001
6290227Clamp for holding flat objects
Both limbs of the clamp (2, 3), which are pivotally arranged on the axis of a bearing, are rotated from a closing position into an open position and vice versa by an actuating device (12). The actuating device (12) can be displaced from a top end position...
09/18/2001
6186489Method and apparatus for constraining the open edge of a signature during transfer
An apparatus and method designed to eliminate dog-earring of the comers of the open edges of a folded signature or book without the need for the use of electrostatic adherence. A guide mechanism is provided between a tape drive, a divert cylinder and/or a...
02/13/2001
5946540Document feeder having a curved document transportation path
A document feeder which has a document transportation path curved with a curvature radius such that a document original is reversed and fed therethrough to a document setting surface. The document feeder further includes a pair of rollers respectively dis...
08/31/1999
5901950Document feeding devices for image reading apparatus
A helical gear connected to a lower discharge roller is made movable in its axial direction toward a bracket when a stepping motor is activated. A friction pad formed from felt or sponge rubber, for example, is attached to a side surface of the helical ge...
05/11/1999
5765459Method for moving point neeedles in a two stage extension path
Point needles in a collecting cylinder are driven in a two stage extension process to initially needle or pierce the leading edge of a product web being cut. Once the cut has been made, the needle tips are moved further radially outwardly from the cylinde...
06/16/1998
5711220Slidable stop on a product-guiding cylinder associated with a rotary printing press
A gripper device for two-dimensional products on guiding cylinders for the products, the guiding cylinders having respective end faces at which the guiding cylinders are supported in respective side frames, the gripper device including grippers disposed o...
01/27/1998
5326088Apparatus for feeding signatures to a rotary drum with angularly spaced grippers
A rotary drum with angularly spaced grippers delivers magazine signatures to the collating conveyor of a saddle stitch binding machine. The signatures are supplied to the drum in the form of a running shingle with successive leading signatures being pulle...
07/05/1994
4247093Method and apparatus for loading a circular sheet pile feeder
A method of and apparatus for automatically loading a circular sheet pile feeder with successive splayed piles of sheets removed from a stack of sheets disposed on a pallet are disclosed. A pile of sheets of a given height is separated from the stack on t...
01/27/1981
 
Sign InRegister
Username  
Password   
forgot password?