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

Icon_funbox Bizarre Patents

Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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 271/24 - Pack advancer


Subclass of Class 271 - Sheet feeding or delivering
Definition: Having means for keeping top or side feed packs forced into
No. of patents: 20
Last issue date: 08/12/2008


NumberTitleIssue Date
7410162Image forming apparatus
An image forming apparatus has a chassis, a paper feed roller, a lifting member, and a biasing member. The chassis has a first side surface, a second side surface, and a bottom surface that connects the first and second side surfaces. The bottom surface has one of a...
08/12/2008
7198420Printer
A printer 1 includes a sheet storage unit 6 in which a stack of sheets can be set, a pickup roller 12 which contacts one side of the stack of sheets set in the sheet storage unit 6, and a lid 10 which covers the other side of the s...
04/03/2007
6488277Sheet separation mechanism
A sheet separating device having a mechanism for buckling or humping a top sheet of a stack and thereby separating the top sheet from an underlying sheet that may be adhering to the underside of said top sheet....
12/03/2002
6145830Sheet material supplying apparatus
A sheet material supplying apparatus having a low-cost sucker adsorbing unit of a simple structure is provided for the carrying of sheet materials that are used under a high-humidity environment or that include humidity, to ensure a proper separation of e...
11/14/2000
6065745Cradle for feeding of non-uniform sheets in a printer or copier
A cradle for holding and feeding a stack of sheets in a printer or copier which compensates for non-uniformities in the stack, and especially non-uniformities in the central portion of the stack, thereby presenting a level top sheet to a sheet feeder rega...
05/23/2000
5443251Sheet feeding apparatus
The present invention provides a sheet feeding apparatus comprising a supply means contacting one of the sheet in a sheet stack, for applying a feeding force to the sheet; a first limiting means abutting against a front end of the sheet stack in a sheet f...
08/22/1995
5370380Sheet feeding apparatus
A sheet feeding apparatus includes a sheet supporting device for supporting sheets, a supply device for feeding the sheets supported by the sheet supporting device in a sheet feeding direction, a separating claw device for separating, one-by-one, the shee...
12/06/1994
5248137High capacity feeder initialization
An apparatus in which a stack of sheets is detected at a preselected location. An air jet is directed towards an edge of the stack of sheets at a preselected location. A pressure transducer is located at the prescribed location and positioned to have the ...
09/28/1993
5178377Adhesion breaker for sheet stacks
An apparatus transports sheets of material and breaks the adhesion between first and second sheets when sheets are fed from a stack one at a time. The apparatus includes a gripper which is mounted on a gripper arm and grips the first sheet. The arm repeat...
01/12/1993
5161791Feeding apparatus for sheets
An apparatus for feeding sheets such as labels or covers includes a holder having a groove-shaped cross section opening upwardly. The holder is formed with a take-out port at one end, and holds the covers stacked horizontally with their surfaces facing ho...
11/10/1992
4981235Unitary coupon dispenser
A dispenser for sequentially dispensing one sheet at a time from a stack of sheets. A housing encloses a drive and a lift roller, and each roller has a longitudinal axis arranged in parallel aligned relationship respective to one another and spaced from t...
01/01/1991
4928947Sheet feeders for soft coated sheet material
A sheet-feed mechanism for feeding paper or the like from a stack of paper sheets in a tray in which the sheets have a soft or pressure-sensitive coating, includes a sheet-engaging apparatus which distributes the load over a substantial area of the sheet,...
05/29/1990
4635919Floating document throat
There is disclosed an envelope hopper for attachment to a printer requiring envelopes. Spring members provided with adjustable throats for permitting passage of a single envelope are biased downward against the upward force of the supply stack for compens...
01/13/1987
4627605Front air knife top vacuum corrugation feeder
A top vacuum corrugation feeder employs a vacuum feedhead working in conjunction with an air knife to feed sheets from the top of a stack. The feedhead is valveless and has a vacuum applied thereto during the entire feed cycle in order to increase reliabi...
12/09/1986
4526363Gripper for textile cloth or the like
This gripper is applicable more particularly to textile machines and includes a gripping clamp and an apparatus for opening and closing the clamp. The clamp proper includes a fixed central member provided laterally and on either side with a resilient port...
07/02/1985
4405123Automatic paper sheet feeding device for copying machine
An automatic paper sheet feeding device for a copying machine has a cassette with a base plate made of magnetic material which is secured by a magnet to a bottom plate of the cassette against a biasing force of a spring. The device has a cam member which ...
09/20/1983
4253653Apparatus for singularizing stacked sheets of radiation-sensitive material or the like
The outermost sheet of a stack of overlapping sheets in a magazine is partially separated from the neighboring sheet of the stack by the peripheral projection of a singularizing roller which is adjacent to the rear edge face of the outermost sheet. The pr...
03/03/1981
4245944Device and method for seizing a bag
A device for seizing a bag from a pack of bags provided with two jaws movable towards each other, said jaws having a sharp edge, and a pushing device for pushing said jaws against the outermost bag of said pack of bags, said jaws grip the bag and remove i...
01/20/1981
4082260Adjustable apparatus for separating an outermost label from a stack of labels
An apparatus is provided for separating a single outermost label from a stack of labels mounted on a centrally disposed shaft in a magazine. The apparatus utilizes a pair of friction members diametricaly opposed from said shaft and containing respective f...
04/04/1978
4043484Newspaper vending machine
A newspaper vending machine has a receptacle with a front wall, a rearwardly ascending slide track to support a stack of newspapers on edge, the lower end of the slide track having an upstanding ledge to hold back the foremost paper in the stack which is ...
08/23/1977
 
Sign InRegister
Username  
Password   
forgot password?