Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 271/131
Name: Sheet feeding or delivering > Feeding > Separators > Reciprocating > Bottom feed
Description: Device wherein the stack of sheets is held so as to permit the sheets thereof to fall into position at which the reciprocating member engages the lowermost sheet for separation of the lowermost sheet from the stack.


Sub-classes under this class:

Class Number Class Name Patents
271/142 By adjustable (e.g., for sheet thickness) pusher 5
271/141 By pin (e.g., pointed) pusher 9
271/139 By pusher reciprocating variably or non-rectilinearly 20
271/143 By self-aligning (e.g., yieldable) pushers 6
271/144 Holder adjustable to size of sheet 23
271/132 Suction assisted 44
271/133 With means to prepare pack or bottom sheet for feeding 8
271/137 With means to restrain feed of next sheet 44
271/136 With means to skip or stop feed 10


Patents under this class:

Patent Number Title Of Patent Date Issued
6705606 Bag placer magazine Mar. 16, 2004
6402135 Sheet feeder for handling sheets of varying thickness Jun. 11, 2002
6267370 Inclining slide for card dispensing device Jul. 31, 2001
6193231 Universal metering hopper and method for handling thick or thin newspaper products Feb. 27, 2001
5924687 Newspaper hopper and feeder having rail-mounted, one-way rollers Jul. 20, 1999
5611527 Device for dispensing a sheetlike object from a stack Mar. 18, 1997
5467895 Ticket dispensing machine Nov. 21, 1995
5423619 Card printing apparatus Jun. 13, 1995
5330171 Base having anti-vibration means Jul. 19, 1994
5199699 Base having anti-vibration means Apr. 6, 1993
5148187 Printing apparatus with mechanism precisely defining printing start position Sep. 15, 1992
5137172 Paper feed system Aug. 11, 1992
5082268 Credit card dispensing and positioning apparatus Jan. 21, 1992
4853712 Sheet feed system for conpact printer Aug. 1, 1989
4783064 Card feeding mechanism Nov. 8, 1988
4748923 Method and apparatus for automated loading of apparel segments to a garment assembly machine and the like Jun. 7, 1988
4720230 Triple combination flexible diskette picker Jan. 19, 1988
4676682 Marking machine with tag feeder Jun. 30, 1987
4665455 Diskette sequential transport apparatus May. 12, 1987
4661091 Machine for manufacture of boxes with integrally reinforced walls Apr. 28, 1987
4651509 Arrangement on packing machines Mar. 24, 1987
4638749 Automated system for sequentially loading lowermost segments from a shingled stack of limp material segments Jan. 27, 1987
4632718 Frame separator with positioning pin Dec. 30, 1986
4483529 Tag transport method Nov. 20, 1984
4273321 Apparatus for feeding conductor plates into a conductor plate tester Jun. 16, 1981
4238125 Plate feeding device for embossing machines Dec. 9, 1980
4102267 Feeding of sheets and cards in a rotary duplicator machine capable of whole-page and linewise printing Jul. 25, 1978
3993300 Automatic feeder for composite copying Nov. 23, 1976
3960373 Shuttle guard for signature feeder Jun. 1, 1976
3955092 Arrangement for respectively withdrawing a single film sheet from a stack of directly loosely superimposed film sheets May. 4, 1976



 
 
  Recently Added Patents
Sulfurized polyisobutylene based wear and oxidation inhibitors
Disposable microwave food shield
Joint for pipes to be used in arms for extraction of gases/fumes
Information recording medium, method and apparatus for recording and reproducing information
Direct type backlight module
DRAM temperature measurement system
Methods for anaerobic bioremediation using solid-chemical compositions containing Mn(IV) and Fe(III)
  Randomly Featured Patents
Oil-water emulsifiers
Movable rack system
Camp fire tool
Multiple level chess board
Single molecule tracking
Cosmetic container
Structure to reduce the on-resistance of power transistors
Chrysanthemum named Sunburst Spirit
Method and means of packaging nuclear fuel rods for handling
Headphone