Cogsdill Mfg. Co./Cogsdill Twist Drill Co. - Assigned Patents

Manufacturers Index - Cogsdill Mfg. Co./Cogsdill Twist Drill Co.

Cogsdill Mfg. Co./Cogsdill Twist Drill Co.
Detroit, MI; Lugoff, SC, U.S.A.
Company Website: https://cogsdill.com/
Manufacturer Class: Metal Working Machinery

Patents

This page contains information on patents issued to this manufacturer.

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Patent Number	Date	Title	Name	City	Description
1,323,452	Dec. 02, 1919	Machine for Grinding Tools	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A machine for grinding combined countersinks and drills, comprising a grinding mechanism for forming the drill portion of the tool and also forming the countersink portion of the tool, and means for automatically forming a radial relief portion on said tool while being ground.
1,630,526	May. 31, 1927	Machine Tool	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: In a machine tool, the combination with a cutter shank having a longitudinally extending recess in its side, of a holder having a recess extending longitudinally from one end thereof for receiving, said shank, and Having a second recess extending longitudinally of and communicating with the first mentioned recess, a pawl rotatable about its 1oiigitudinal axis arranged to lie within the second recess during the assembling of said shank with said holder and to extend into the recess in said shank and have an extended contact with said shank longitudinally thereof when said shank is assembled with said holder.
1,917,925	Jul. 11, 1933	Processing Tool	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A. work processing tool comprising a revoluble arbor, rotatable processing rolls carried by said arbor and means upon said arbor providing peripherally spaced faces for forcing said rolls outwardly relative to said arbor into contact with the work and then temporarily holding said rolls in contact with the work and thon allowing said rolls to move inwardly relative to said arbor.
2,040,978	May. 19, 1936	Device for Loading Tools in Holders	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: The combination with a rotatable holder adapted to grip a tool, of a loading device comprising a support, and a tool carrying member rotatable on said support, said device being movable to a position to place the tool in operative relation to said holder, and cooperating means rotatable with said holder and carrying member for predeterminedly positioning the tool relative to said holder.
2,099,724	Nov. 23, 1937	Machine for Grinding Tools	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A machine for grinding cutting tools, comprising an abrasive member, a support rockably movable toward and, away from said abrasive member, a holder for a tool rotatably carried by said support and adapted to position the tool for engagement by said abrasive member, means for rocking said support toward said abrasive member to establish and maintain engagement of the tool with said abrasive member, a cam rotatable with said holder, a member engageable with said cam upon movement of said support toward said abrasive member to cause said support to periodically move away from said abrasive Â«emib and adjustable means controlling member said abrasive member.
2,138,727	Nov. 29, 1938	Cutting Tool	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: In a cutting tool, the combination with a body having angularly spaced longitudinally extending seats, blades engaging said seats, a flexible member having grooves for receiving said blades, said blades having generally axially extending grooves, said flexible member having shoulders with the shoulders of said flexible member engageable with the grooves of said blades, and means upon said body for securing said flexible member to said body and for also flexing said flexible member to contract the same and to clamp said blades against said seats.
2,148,805	Feb. 28, 1939	Method of Making Oil Hole Drills	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: In the formation of an oil hole drill, the step of fanning a generally cylindrical blank having a plurality of spirally arranged angularly spaced flutes in the outer surface thereof and a correspondingly spirally arranged groove in at least, one of the lands between a pair of said flutes, then working at least a portion of the b surface layer of said land first in a generally circumferential direction toward the center of said groove and then radially of said blank while the walls of said groove are totally unsupported, said groove being of sufficient depth whereby the said ; working of said surface layer closes the open side of said groove without completely filling said groove, that portion of said surface thus worked being exclusive of the cutting edge of said land whereby said portion of said land thus worked provides a relief for said drill behind said cutting edge.
2,170,631	Aug. 22, 1939	Bearingizing Tool	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A bearingizing tool comprising a revoluble arbor having a series of angularly spaced slots formed with inclined bottoms, cam members in said slots and adjustable relative to said arbor, a series of angularly spaced processing rolls encircling said arbor and adapted to be engaged by said cam members to be forced outwardly thereby into engagement with the work to deliver a series of impacts thereto, and means for adjusting said cam members relative to said arbor.
2,206,941	Jul. 09, 1940	Reamer	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: In a cutting tool, a body having an annular series of resilient longitudinal tongues, blades upon said tongues, a collar having wedge elements adapted to extend between and engage adjacent tongues, and a threaded member engaging said collar and adjustable to adjust said collar axially of said body.
2,242,510	May. 20, 1941	Adjustable countersink structure	Stuart A. Cogsdill	Detroit, MI	This countersink provides adjustable depth control. An example is seen marked with this patent number plus patent 2,308,055 and British patent 55,411.
2,308,055	Jan. 12, 1943	Adjustable countersink structure	Stuart A. Cogsdill	Detroit, MI	This countersink provides adjustable depth control. An example is seen marked with this patent number plus patent 2,242,510, for which this patent gives improvements.
2,358,304	Sep. 19, 1944	Method of Making Oil Hole Twist Drills	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: In the manufacture of an oil hole twist drill from a cylindrical blank, the steps of forming a pair of longitudinally extending grooves in an exterior surface of said blank, one of said grooves being deeper and narrower than the other and said other of said grooves being disposed equally on, both sides thereof and shaped to form a bead along each side of the first-mentioned groove, and then simultaneously operating upon said beads to displace them toward one another and into contacting and sealing engagement with respect to each other whereby to close the outer side of said first-mentioned groove.
2,526,732	Oct. 24, 1950	Container for Holding a Set of Drills and Punch	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A container for supporting a plurality of tools embodying a base block made of wood having apertures drilled therein through an edge surface thereof for receiving the shanks of tools and supporting each of said tools with one end extending outwardly of said base block, a cover block therefore likewise made of wood having an edge surface adapted to abut said surface of said base block and having a cavity provided in the front face thereof communicating with said edge surface thereof to receive the ends of the tools Projecting from the base block and hinge means for supporting and yieldably holding the two blocks in aligned relation with said surfaces thereof in abutting relationship while permitting said cover block to hinge relative to said base block.
2,555,302	Jun. 05, 1951	Twist Drill	Glen H. Cogsdill	Plymouth, Wayne County, MI	Claim: It is an object of the present invention to provide a twist drill having a longitudinally extending oil passage throughout its major portion and a plurality of inclined straight oil passages at its tip portion communicating at their inner ends with the first mentioned oil passage.
2,620,689	Dec. 09, 1952	Deburring Tool Having a Slender Body for Projecting Into an Aperture	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A deburring tool including, in combination, on elongated body of substantially uniform cross section having an elongated slot therethrough disposed lengthwise of the body intermediate the ends thereof, an elongated blade disposed lengthwise in said slot, a pivot extending through said bo^dy and blade, a nib on the side of said blade at one end thereof having a cutting edge, and spring mano engaging the other end of said blade toward the edge thereof opposite to the edge having the nib for urging said nib outwardly of said slot.
2,710,549	Jun. 14, 1955	Micro-limit Countersink Driver	Stuart A. Cogsdill	Detroit, Wayne County, MI	Claim: A limiting countersink drive including, in combination, a cylindrical spindle having an enlarged tool engaging head at one end and an annular slot near the drive end, a tubular body extending over said spindle in abutting relation with said head having a fine thread on its outer surface and an axially disposed slot through its wall, bearing means disposed between said body and spindle, an adjusting sleeve disposed over said spindle and body having fine serrations at its lower end, a stop collar having an internal thread mated with the thread on the body, serrations on the upper end of the stop collar engageable with the serrations on said adjusting sleeve, a set-screw in said adjusting sleeve having a dog point projecting into the slot in the body for permitting relative longitudinal movement therewith and preventing relative rotation therebetween, a thrust collar on said spindle, and a spring between said thrust collar and said adjusting sleeve for urging the sleeve downwardly for maintaining the serrations in engaged adjusted position and for retracting said spindle.
2,811,875	Nov. 05, 1957	Twist Drill Having Oil Passages Therein and Method of Construction	Stuart A. Cogsdill	Orchard Lake, Oakland County, MI	Claim: A deburring tool including, in combination, a body having a slot of substantial length on the axis thereof, an aperture extending through the bottom of the slot adjacent to one end thereof, a deburring blade pivoted in the slot having a projecting cutting end extending from the bottom through the aperture to the outside of the body, and a longitudinally extending spring strip having one end fixedly supported within the slot with the opposite end engaging the end of the blade opposite to that having the projecting end, the end of said spring engaging said blade exerting a force thereon substantially perpendicular to the axis of said tool.