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Class Information
Number: 83/143
Name: Cutting > With product handling means > Means to move, guide, or permit free fall or flight of product > Means to move product out of contact with tool > Moving stripper timed with tool stroke > Stripper biased against product > Spring biased stripper
Description: Device in which the compressed or extended element is an elongated or coiled flexible and resilient metallic member (e.g., coil spring).










Patents under this class:

Patent Number Title Of Patent Date Issued
8631730 Apparatus for cutting and ejecting noodles, and noodle scraper Jan. 21, 2014
8178018 Methods for manufacturing fiber-cement soffits with air vents May. 15, 2012
7698979 Biasing assembly for a punching device Apr. 20, 2010
7581475 Stripper unit for a punch retainer Sep. 1, 2009
7290473 Pierce cam Nov. 6, 2007
7080585 Hold-down clamp for slitter-punch Jul. 25, 2006
6513411 Die block assembly with clearance protection mechanism Feb. 4, 2003
6035752 Scrap cutter assembly Mar. 14, 2000
5979277 Method and apparatus for punching a thin metal tape to provide a lead frame for a semiconductor device Nov. 9, 1999
5934165 Adjustable punch assembly Aug. 10, 1999
5896795 Scrap cutter assembly Apr. 27, 1999
5499564 Method and apparatus for forming a spread Mar. 19, 1996
5301533 Cam operated pierce apparatus Apr. 12, 1994
5235887 Cutter apparatus Aug. 17, 1993
5046389 Universal punch block apparatus Sep. 10, 1991
5025691 Punch guide Jun. 25, 1991
4993295 Punch stripper Feb. 19, 1991
4989484 Punch and stripper assembly Feb. 5, 1991
4947719 Punch and die system Aug. 14, 1990
4947718 Punch and die system Aug. 14, 1990
4947717 Punch and die system Aug. 14, 1990
4920840 Apparatus for trimming fabric covered articles May. 1, 1990
4843931 Punch and die system Jul. 4, 1989
4691602 Punch and ejector assembly Sep. 8, 1987
4611519 Radius corner forming apparatus and method Sep. 16, 1986
4516448 Punch and ram assembly for punch press May. 14, 1985
4449434 Hole punching apparatus for thermoplastic film May. 22, 1984
4281546 Variable volume sample cutter and method of use Aug. 4, 1981
4215608 Punch stripper Aug. 5, 1980
RE29950 Punching device with punch retainer Apr. 3, 1979
4117753 Sheet cutting apparatus Oct. 3, 1978
4092888 Self-stripping punch and guide assembly Jun. 6, 1978
4030390 Apparatus for cutting items from a sheet Jun. 21, 1977
3958476 Punching device with punch retainer May. 25, 1976
3935772 Punching device having selectable pinch point clearance Feb. 3, 1976











 
 
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