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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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US Patent 5503123 - Internal combustion engine cylinder puppet valve having self-aligning guide
US Patent Issued on April 2, 1996
Estimated Patent Expiration Date:
May 1, 2015Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
May 1, 2015Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA cylinder head assembly for an internal combustion engine includes self-aligning valve guides which are movable radially and coaxially to a variety of locations in which the axes of the valve guide and valve guide bore formed in the cylinder head are all parallel. The final location of the valve guide is determined by the contact relationship between the valve head and its mating valve seat. | InventorAssigneeApplicationNo. 431942 filed on 05/01/1995US Classes:123/188.6, Packing123/188.16, Pivoted123/188.8, Valve seat relation123/188.9, Guide, lubricant, or coolant251/85, With yieldable connection251/87, With single plane swing pivoted connection251/323Spring abuts valve stem guideField of Search123/188.2, Poppet123/188.16, Pivoted123/188.6, Packing123/188.8, Valve seat relation123/188.9, Guide, lubricant, or coolant251/337, Springs and spring retainers251/323, Spring abuts valve stem guide251/85, With yieldable connection251/87With single plane swing pivoted connectionExaminersPrimary: Solis, ErickAttorney, Agent or FirmUS Patent References1919481, 2191333, 2397502, 2658491, 2689557, 2694391, 2716401, 2778352, 2797676, 2807253, 3265052, 3577729, 4805568, Swing valve for internal combustion enginesIssued on: 02/21/1989 Inventor: Springer , et al.4831976, Engine with valve seat inserts and method of retaining Issued on: 05/23/1989 Inventor: Pozniak , et al.4976231, Curved intake duct having improved flow characteristics Issued on: 12/11/1990 Inventor: Feuling5313917Self-aligning valve assembly Issued on: 05/24/1994 Inventor: Santi Foreign Patent References
International ClassF01L 003/08 |
