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Class Information
Number: 74/612
Name: Machine element or mechanism > Elements > Guard mechanisms
Description: Elements for preventing injury to an operator of a machine during the operation thereof.










Sub-classes under this class:

Class Number Class Name Patents
74/613 Automatic 17
74/616 Operator controlled 13
74/617 Set screw 2


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8640570 Flat protective cover with two degrees of freedom for tool machines Feb. 4, 2014
8505570 Mobile crane with hose guide Aug. 13, 2013
8371797 Secured palletization facility Feb. 12, 2013
7784379 Cover for machine tool guide structures Aug. 31, 2010
7377549 Protector for a saddle ride type all-terrain vehicle May. 27, 2008
7261501 Machine tool with concertina cover Aug. 28, 2007
7192225 Machine tool Mar. 20, 2007
7020970 Saw guard system Apr. 4, 2006
6692366 CV joint protector for ATV Feb. 17, 2004
6662685 Cover assembly for machine tool and assembling method thereof Dec. 16, 2003
6658966 Work bench including a vise Dec. 9, 2003
6547497 Automatic chip removal device Apr. 15, 2003
6490781 Component mounting machine and safety device thereof Dec. 10, 2002
6481313 Protective cover attachable to a working part which is mobile in at least one plane Nov. 19, 2002
6408768 Adjustable pallet guard Jun. 25, 2002
6338192 Component mounting machine and safety device thereof Jan. 15, 2002
6311817 Protector device for a machine Nov. 6, 2001
6260439 Protective cover which can be attached to a machining part which is mobile at least according to a plane Jul. 17, 2001
6260438 Protective cover which can be attached to a machining part which is mobile at least according to a plane Jul. 17, 2001
6067877 Safety cover structure for automatic machine May. 30, 2000
5916334 Bottom guard mechanism for an automated machine Jun. 29, 1999
5577422 Control panel assembly for a motor vehicle Nov. 26, 1996
5538490 Safety bar mechanism and sheet processing device having a safety bar mechanism Jul. 23, 1996
5538490 Safety bar mechanism and sheet processing device having a safety bar mechanism Jul. 23, 1996
5537922 Press-on device in a printing unit of a printing press Jul. 23, 1996
5438943 Guard device for sewing machines Aug. 8, 1995
5265497 Guard for operator access station Nov. 30, 1993
5224916 Door moving mechanism for a cutting machine Jul. 6, 1993
5218887 Drill chuck and revolving spindle guard Jun. 15, 1993
5183526 Repair sealer accessory Feb. 2, 1993
5152208 Book feeding and trimming apparatus Oct. 6, 1992
5147268 Folding box gluing machine for package production provided with safety and noise protection walls Sep. 15, 1992
5123149 Turret tool post for machine tool and apparatus for controlling indexing of the same Jun. 23, 1992
5062319 Sheet rolling machine guard apparatus Nov. 5, 1991
4999895 Machine tool Mar. 19, 1991
4938095 Safety module for machine table in an assembly line Jul. 3, 1990
4932275 Arrangement for the fixation of a brake power booster Jun. 12, 1990
4891026 Marine propeller including fish line trap Jan. 2, 1990
4867055 Guard for the nips of rolls in calenders Sep. 19, 1989
4776755 Shrouded propeller Oct. 11, 1988
4762020 Link-type apron arrangement Aug. 9, 1988
4726183 Self retracting screens for turbomachinery Feb. 23, 1988
4724747 Ventilator housing with a protective screen Feb. 16, 1988
4680017 Motorboat propeller guard for improved performance Jul. 14, 1987
4634346 Fan guard assembly Jan. 6, 1987
4625783 Protective cover Dec. 2, 1986
4565533 Boat propeller guard Jan. 21, 1986
4552494 Safety shield for drill press Nov. 12, 1985
4548095 Barrier guard for shears, presses and the like Oct. 22, 1985
4544363 Line cutter for outboard and inboard/outboard motors Oct. 1, 1985

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