UNITED STATES PATENTS Number Name Date 468,653 Geitz Feb. 9, 1892 703,713 Smith et a1. July 1, 1902 FOREIGN PATENTS Number Country Date 191,105 Great Britain Jan. 1, 1923 US670802A 1946-05-18 1946-05-18 Tensioning device for hacksaw blades Expired - Lifetime US2516079A ( en )
Patents may be searched in the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses full text for patents issued from 1976 to the present and PDF images for all patents from 1790 to the present. Searching Full Text Patents (Since 1976) Customize a search on all or a selected group of elements (fields) of a patent. Quick Search
In-Place Crankshaft Machining. Goltens has long been the leader in in-situ crankshaft machining and grinding for repairing large diameter journal surfaces. As the first company in the world to complete in-situ crankshaft grinding in the early 1950s, Goltens' patents on its in-situ crankshaft grinding tooling revolutionized the industry with massive reductions in down time for owners coping ...
(2) A pinhole grinder. The taxpayer applied for a patent on Dec. 4, 1931, and was issued one on June 13, 1933. The royalty agreement to manufacture and sell this device was dated Dec. 5, 1931. (3) A crankshaft grinder. The taxpayer applied for a patent on May 22, 1939, and was issued one on …
Process for grinding crankshafts and crankshaft grinding machine : GB1216207A (en) * 1968-08-27: 1970-12-16: English Steel Corp Ltd: Improvements in or relating to methods and machines for grinding crankshafts US3760537A (en) * 1969-03-31: 1973-09-25: Alme Spa Off Mec Di: Device for smoothing the surface of turned wood elements
Your crankshaft is in good hands with us. ... We sell a full range of rotating assembly combinations. Performance Crankshaft Inc [email protected]. 8829 Northend Ave. Ferndale, MI 48220. phone: 586-549-7557. Find us on the web: E-bay seller "awbrown ". Facebook;
US2815611A US311510A US31151052A US2815611A US 2815611 A US2815611 A US 2815611A US 311510 A US311510 A US 311510A US 31151052 A US31151052 A US 31151052A US 2815611 A US2815611 A US 2815611A Authority US United States Prior art keywords line grinding wheel valve contact Prior art date 1952-09-25 Legal status (The legal status is an assumption and is not a legal …
PLEASE NOTE: VintageMachinery.org was founded as a public service to amateur and professional woodworkers who enjoy using and/or restoring vintage machinery. Our purpose is to provide information about vintage machinery that is generally difficult to locate. VintageMachinery.org does not provide support or parts for any machines on this site nor do we represent any manufacturer listed on this ...
CA2029559C CA002029559A CA2029559A CA2029559C CA 2029559 C CA2029559 C CA 2029559C CA 002029559 A CA002029559 A CA 002029559A CA 2029559 A CA2029559 A CA 2029559A CA 2029559 C CA2029559 C CA 2029559C Authority CA Canada Prior art keywords crankshaft belt crankpin belts grinding Prior art date 1990-10-05 Legal status (The legal status is an assumption and …
Used Portable Boring Bars. Kwik FW, FWS, FN, FL. Van Norman 944,944S, 777,777S, 777S4, 888,999. Rottler DOB. All Portable Boring Bars are tested before selling. All Portable Boring Bars are Tested condition and included equipment clearly stated.
A method of grinding crankpin journals on a crankshaft in which the crankshaft is rotated about its central longitudinal axis. Abrasive belts are moved along paths substantially perpendicular to the crankshaft such that the abrasive surfaces of the belts grind the crankpin journals while the crankshaft rotates. The belts are guided independently of one another at the point of contact with the ...
The invention covered by the patent in suit is a process for rebuilding worn automotive crankshafts and the like by welding and regrinding. The inventor, Mr. Allen, had previously been engaged in the "undersized" grinding business which consisted of grinding the bearing surfaces of a worn crankshaft to a smaller diameter.
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A grinding machine, often shortened to grinder, is one of power tools or machine tools used for grinding, it is a type of machining using an abrasive wheel as the cutting tool.Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.. Grinding is used to finish workpieces that must show high surface quality (e.g., low surface roughness) and high ...
Step 15: Finished crankshaft grinding. Next the technician performs a finished crankshaft grinding procedure. The finished crankshaft grinding is a more precise grind which reaches the correct OEM specifications. Before the technician starts the crankshaft grinding they should see what crankshaft bearings are available and start from there. For ...
Common crawl. Crankshaft gear driven oil pump, system relief valve, crankcase strainer, and spin-on type full-flow oil filter. patents-wipo. The crankshaft gear can be formed of a size such that it does not weaken the crankshaft. WikiMatrix.
If it is necessary to grind the full length of the periphery of the crankpin journal, then it may be necessary to oscillate the table 20 and crankshaft C during grinding. Oscillating the table 20 also will cause the folded-back portions of the abrasive belts to grind the inner surfaces of …
Ohio Crankshaft announces a HUGE price reduction for their line of 4340 forged SB Chevrolet Cranks with Big Block Snout – This across the board reduction brings these specialty small block cranks down to $1095.00! Also in the SB/BB Snout news – O.C. now offers a Billet version of their SB Chevrolet Cranks with Big Block Snout.
Mar 27, 2017· Regrinding the crankshaft is an important part of the engine rebuilding process. It was almost an art in the '40s, but it's pretty routine now. However, there are still plenty of myths and misunderstandings that are left over from the past that we still have to deal with today.Click Here to Read MoreAdvertisement One of […]
A system for absorbing torsional vibration in a shaft which is drivingly rotated about an axis and wherein the shaft is exposed to torsional disturbances which tend to cyclically increase and decrease the rotational speed of the shaft utilizes a body attachable to the shaft for rotating therewith as the shaft rotates about its axis of rotation and cylindrical rolling elements positioned within ...
Dec 02, 1993· Date of Patent: May 18, 1993. Assignee: J. D. Phillips Corporation. Inventor: James D. Phillips. Crankpin grinder and method. Patent number: 5142827. Abstract: A method of grinding crankpin journals on a crankshaft in which the crankshaft is rotated about its central longitudinal axis.
US2130003A US205361A US20536138A US2130003A US 2130003 A US2130003 A US 2130003A US 205361 A US205361 A US 205361A US 20536138 A US20536138 A US 20536138A US 2130003 A US2130003 A US 2130003A Authority US United States Prior art keywords shaft throw grinding crank head Prior art date 1938-04-30 Legal status (The legal status is an assumption and is not a legal …
Jiangsu Wanli Machinery Co., Ltd. is a specialized manufacturer for various diesel engine crankshafts. With its nearly 40 years' experience in research, development, and manufacturing of ductile-iron crankshafts, the company enjoys very high prestige.The company has been equipped with complete processing machines, including fully automatic shell molding process line, semi-auto coating sand ...
Installation Tips. Crankshaft journal surfaces should be ground and polished to a surface finish of 15 micro inches roughness average Ra or better. Journals on highly loaded crankshafts such as diesel engines or high performance racing engines require a finish of 10 micro inches Ra or better. The above is a simple straight forward specification ...
Silver Seal Products Goes Online, launching first website. 2007. Silver Seal purchases Seal-Lock, manufacturer of crack repair pins, tooling, solid thread repair inserts and automotive sealers. 2009. Silver Seal purchased MicroSleeve (1974), manufacturer of harmonic balancer, crankshaft and …
Goltens has long been the leader in in-situ crankshaft and journal grinding and machining. As the first company in the world to complete in-situ crankshaft grinding in the early 1950s, Goltens' patents on its in-situ crankshaft grinding tooling revolutionized the …
MKS8140 high speed CNC Crankshaft Grinder, MKS8240 high-speed NC crankshaft grinding machine adopts imported computer and AC servo drive control system of axes motion, can be equipped with automatic measurement of radial and axial line, wheel automatic balancing system, eliminating idle and collision prevention device, and a grating with a ...