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Class Information
Number: 83/390
Name: Cutting > Interrelated tool actuating means and means to actuate work immobilizer > Work clamp > Clamp driven by yieldable means > Fluid pressure yieldable drive means
Description: Device, in which the clamp is moved by piston and cylinder or equivalent device subjected to hydraulic or pneumatic force, and provided with relief valve or other output limiting means.

Patents under this class:

Patent Number Title Of Patent Date Issued
7806031 Device for finely cutting workpieces from a material Oct. 5, 2010
5460067 Continuous cycle mechanical architecture able to simultaneously block and cut layers of any non-rigid materials Oct. 24, 1995
5184532 Shear system for cutting profile steel rods Feb. 9, 1993
4805500 Horizontal band saw machine Feb. 21, 1989
4679473 Shearing machine Jul. 14, 1987
4637289 Work presence controller Jan. 20, 1987
4631996 Punch press with self-adjusting stripper Dec. 30, 1986
4619163 Automatic mitering apparatus Oct. 28, 1986
4445410 Apparatus for shearing bars, billets, and other elongated stock May. 1, 1984
4441535 Mobile log sawing and splitting machine Apr. 10, 1984
4440054 Traveling saw with a sound protection hood Apr. 3, 1984
4428263 Food loaf slicing machine Jan. 31, 1984
4382457 Tree harvester May. 10, 1983
4326572 Wood molding routing apparatus Apr. 27, 1982
4294295 Apparatus for cutting and splitting firewood Oct. 13, 1981
4292869 Unitary punch and die assembly Oct. 6, 1981
4245532 Shear machine with replaceable shear assembly Jan. 20, 1981
4131143 Apparatus for cutting floor truss web components Dec. 26, 1978
4096727 Punching, stamping and rivetting apparatus Jun. 27, 1978
4091699 Method and device for cutting a bundle of tubes May. 30, 1978
4052922 Hydraulically-actuated cable cutter Oct. 11, 1977
4043236 Device for transforming a single pressure force into separate pressure forces Aug. 23, 1977
4041821 Scrap shearing machine Aug. 16, 1977
4031788 Chop saw Jun. 28, 1977
4030391 Punch press with hydraulically actuated stripper Jun. 21, 1977
4016728 Device for severing underwater cables Apr. 12, 1977
4009631 Device for holding pieces of lumber when they are cut Mar. 1, 1977
3987520 Machine for making expanded metal Oct. 26, 1976
3949631 Punching holes in thin sheet material Apr. 13, 1976
3946631 Undercut saw Mar. 30, 1976

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