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Publication numberUS111550 A
Publication typeGrant
Publication dateFeb 7, 1871
Publication numberUS 111550 A, US 111550A, US-A-111550, US111550 A, US111550A
InventorsWilliam Kean
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in couplings for shafts for mills
US 111550 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)


LettersPatent No. 111,550, dated February 7, 1871.


The Schedule referred to in these Letters Patent and making part of the same.

T o all whom .fit may concern:

Be it known thatI, .WILLIAM KEAN, of Chicago, in the county of Cook and State of llli11ois,have invented anew and improved Coupling for Shafts;` and I dol hereby-declare that the following is a full, clear, and exact descriptionthereof', which will enable others skilled in thevart to make and' use the same, reference being had to the`.accompanying drawing forming part of this specification, in which- Figure l represents a longitudinal section of i'ny improved coupling.

the shafts, as well as the key, and supports the same. The key Grits a grooved portion oi' said sleeve to lock the same to the shafts.

One end of the'kcy abuts against the square end oi' the groove in the shaft A. The other end, however, is arrested by a dovetaled clutch or block, E, put into a corresponding' aperture or recess at onc end of the, sleeve D, and retain d therein by means of a screw, a. rlhs clutch or lock is applied after the key and sleeve have been properly put on. By this means the ends of the key are bot-h properly covered and prevented from catching, and the key is, furthermore, secured iu placeaud cannot work out.

Having thus described luy invention,

I claim as new and desire to secure `by Letters Patentv rlhe combination of the clutch E and screw a with the sleeve "D, key C, and shafts A B, all arranged

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3905710 *Mar 2, 1973Sep 16, 1975Bearings Seals & Gears IncShaft coupling having a keyway insert and method for forming the same
US7155764 *Jan 10, 2005Jan 2, 2007Traverse Rescue LlcRail coupling and lock for split-apart basket stretchers
US20050177943 *Jan 10, 2005Aug 18, 2005Traverse Rescue LlcRail coupling and lock for split-apart basket stretchers
Cooperative ClassificationF16B3/00