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Class Information
Number: 277/373
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) > Installation, removal, assembly, disassembly, or repair feature > Unitized seal assembly (e.g., cartridge, etc.) > Having rotation prevention (i.e., antirotation) feature for the sealing face member > Lug or rib
Description: Rotation prevention wherein the rotation prevention means is an inward or outward radially extending projection that fits into a corresponding slot, recess, or groove.










Patents under this class:

Patent Number Title Of Patent Date Issued
8608175 Mechanical face seal stop pin Dec. 17, 2013
8517388 Bellows type mechanical seal Aug. 27, 2013
8485530 Axial face seal assembly Jul. 16, 2013
8439365 Gas seal for aerospace engines and the like May. 14, 2013
8302971 Sealing device for a pump Nov. 6, 2012
8220801 Front mechanical seal for pumps Jul. 17, 2012
8186687 Cartridge seal device May. 29, 2012
8181966 Gas seal for aerospace engines and the like May. 22, 2012
8181965 Replaceable brush seal elements May. 22, 2012
8033549 Mechanical seal Oct. 11, 2011
7427071 Divided driver device for a slip ring seal Sep. 23, 2008
7311307 Seal seat assembly with specialized features Dec. 25, 2007
7204490 Shaft-sealing device having an inner modular structure for combining with a rotary machine Apr. 17, 2007
7118324 CO.sub.2 compressor Oct. 10, 2006
6935633 Shaft sealing device having a positioning ring and a retaining ring thereof Aug. 30, 2005
6935632 Automatically disengaging spacing mechanism for a mechanical seal Aug. 30, 2005
6695315 Single seal Feb. 24, 2004
6672591 Drive pins in a mechanical seal Jan. 6, 2004
6550779 Mechanical split seal Apr. 22, 2003
6460858 Mechanical seal Oct. 8, 2002
6357753 Cartridge-type mechanical seal Mar. 19, 2002
6305693 Precision load adjustable rotary shaft seal Oct. 23, 2001
6158743 Hub seal with low installation load and rotation prevention structure Dec. 12, 2000
6155573 Removable and replaceable hub seal Dec. 5, 2000
5913521 Rotating seal ring component kit for a mechanical split seal Jun. 22, 1999
4639000 Automatic aligning cartridge mount seal Jan. 27, 1987
4502694 Axial shaft sealing unit with improved housing Mar. 5, 1985
4426089 Dust-proof device for mechanical seal Jan. 17, 1984
4420160 Face seal system Dec. 13, 1983
4415167 Assembled multi-component seal Nov. 15, 1983
4389051 Pressed in anti-rotation lugs for mechanical face seals Jun. 21, 1983
4337628 Universal joint with unitary face seal and retainer assembly Jul. 6, 1982
4304408 Sealing ring retention device Dec. 8, 1981
4278218 Seal Jul. 14, 1981
4213618 Self-contained rotary mechanical seals Jul. 22, 1980
4124219 Slide ring seal Nov. 7, 1978
4063741 Fluid face seal assemblies Dec. 20, 1977
3947045 Rotary sealing means Mar. 30, 1976











 
 
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