US827023A - Means for attaching gears to shafts. - Google Patents

Means for attaching gears to shafts. Download PDF

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Publication number
US827023A
US827023A US27880005A US1905278800A US827023A US 827023 A US827023 A US 827023A US 27880005 A US27880005 A US 27880005A US 1905278800 A US1905278800 A US 1905278800A US 827023 A US827023 A US 827023A
Authority
US
United States
Prior art keywords
gear
shaft
key
collar
shafts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US27880005A
Inventor
Hermann A Knoener
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CROCKER-WHEELER Co
CROCKER WHEELER CO
Original Assignee
CROCKER WHEELER CO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CROCKER WHEELER CO filed Critical CROCKER WHEELER CO
Priority to US27880005A priority Critical patent/US827023A/en
Application granted granted Critical
Publication of US827023A publication Critical patent/US827023A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0876—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with axial keys and no other radial clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/69—Redundant disconnection blocking means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/924—Coupled nut and bolt
    • Y10S411/948—Longitudinal key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7018—Interfitted members including separably interposed key
    • Y10T403/7021—Axially extending
    • Y10T403/7024—Longitudinally stepped or tapered

Definitions

  • the object of the invention is to provide a means for attaching ears to shafts by which the car will be fi rmly held without being force eccentric to the shaft .or distorted by the attaching means and which will admit of any removal of the gear without any unusual apparatus.
  • a further object is to provide means which does not involve the tapering of the shaft and which leaves the shaft of cylindrical form and standard dimensions for the. substitution of pulleys of standard bores.
  • FIG. 1 shows in erspective the end of a shaft and a gear hel thereon by my improved means of attachment.
  • Fig. 2 shows in perspective a key with a head on each end, which may be substituted for the key shown in Fi 1.
  • a gear G is bored so that it may e forced on a shaft S"with a comparatively moderate pressure-snug enough to prevent shake or appreciable play between the gear and shaft, but not so tight asto present any unusual difliculty in assembly or removal.
  • the ey is as 101; as the combined width of the gear, include its hub and a collar 0.
  • the collar lies next to the gear on the opposite side of the gear to the head on the key and prevents the gear from working endwise of the shaft toward this side.
  • a setscrew 8 through the collar clamps the key against the bottom of the keyway in the shaft, thereby securely holding both the collar and key against movement along the shaft;
  • the set-screw may be of any desired style; but what is known as a hollow setscrew, which has a socket-head, is desirable, since it has no projecting parts, which are a source of danger when on rapidly-moving machinery.
  • the key may have a head also on the end outside the collar at h, as indicated in the modification, the object being to prevent improper assembling.
  • the key In the form having a ead at one end only of the key in assembling the key is first put in place either in the keyway in the ear with the head next to the ear or in the head away from the end, and the gear and collar are then slipped on the shaft. If a ke which has a head at each end is employe the gear and collar are first placed together with their keyways in alinement, then the key is set in the alined keyways, and, lastly, the combination is slipped over the end of the shaft.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Description

HQA. KNOENER.
MEANS FOR ATTAGHING GEARS T0 SHAFTS. APPLIOATION FILED 8112116. 1905.
Wflnesses:
WRWM Inventor,
. HermamA ffizbenel;
' PATENTED JULY 24, 1906.
" UNITED. STATES PATENT orrron.
HERMANN A. KNOENER, OF EAST ORANGE, NEW JERSEY, ASSIGNOR TO (,ROCKER-WHEELER COMPANY, OF AMPERE, NEW JERSEY, A GORPO- RATION NEW JERSEY.
MEANS FOR ATTACHING eEARs o SHAFTS.
'ratenteu July 24, 1906.
Application filed September 16, 1905. Serial No. 278,300.
To all whom it may concern.-
Be it known that I, HERMANN A. KNOE- NER, a citizen of the United States of America, and a resident of'East Orange, in the county of Essex and State of New Jersey, have invented certain new and useful Imgrovements in Means for Attaching Gears to hafts, of which the following is a specification.
' The object of the invention is to provide a means for attaching ears to shafts by which the car will be fi rmly held without being force eccentric to the shaft .or distorted by the attaching means and which will admit of any removal of the gear without any unusual apparatus. i
A further object is to provide means which does not involve the tapering of the shaft and which leaves the shaft of cylindrical form and standard dimensions for the. substitution of pulleys of standard bores.
These means have been devised with especial reference to their applicability in connection with'armature shafts of electric motors.
In the accompanying sheet of drawings,
, which form a part of this application, Figure is provided. This key has a 1 shows in erspective the end of a shaft and a gear hel thereon by my improved means of attachment. Fig. 2 shows in perspective a key with a head on each end, which may be substituted for the key shown in Fi 1.
A gear G is bored so that it may e forced on a shaft S"with a comparatively moderate pressure-snug enough to prevent shake or appreciable play between the gear and shaft, but not so tight asto present any unusual difliculty in assembly or removal. With an easy fit of this character I'- have found that the employment of a set-screw or a key fitting tightly at its top and bottom to prevent either it or the gear from becoming displaced will throw the gear sufficiently eccentric to cause uneven runnin and noise. Therefore a key K fitting in a eyway in the shaftand fitting in a corresponding keyway inthe gear, but not fitting tightly at its tog1 and-bottom, ead h at one adjoining the gear to prevent the ear from workingfndwise of the shaft towar the head. The ey is as 101; as the combined width of the gear, inclu its hub and a collar 0. The collar lies next to the gear on the opposite side of the gear to the head on the key and prevents the gear from working endwise of the shaft toward this side. A setscrew 8 through the collar clamps the key against the bottom of the keyway in the shaft, thereby securely holding both the collar and key against movement along the shaft; The set-screw may be of any desired style; but what is known as a hollow setscrew, which has a socket-head, is desirable, since it has no projecting parts, which are a source of danger when on rapidly-moving machinery.
The key may have a head also on the end outside the collar at h, as indicated in the modification, the object being to prevent improper assembling. In the form having a ead at one end only of the key in assembling the key is first put in place either in the keyway in the ear with the head next to the ear or in the head away from the end, and the gear and collar are then slipped on the shaft. If a ke which has a head at each end is employe the gear and collar are first placed together with their keyways in alinement, then the key is set in the alined keyways, and, lastly, the combination is slipped over the end of the shaft.
What'I claim as new, and desire to secure by Letters Patent of the United States, is-
The. combination of a cylindrical shaft pro-' vided with a keyway, a gear bored to a moderately-snug fit for the shaft and also provided with a keyway, a collar formed with a ke ay and adjoining the gear, a key provi ed with a head ad oining the ear on the t ough the gear and 'collar and loosely fitting at its top and bottom m the gear and shaft, and a set-screw ta ped through the collar and serving to bind t e key against the bottom of the ke ay in the s aft beneath the set-screw and thereby secure the collar and key against displacement, substantially as described.
' Signed by me at East Orange, county of Essex, New Jersey, this 8th day of September, 1905.
Witnesses? SAMUEL W. BALCH, EDWIN R. DOUGLAS.
opposite side from the collar an extending 'HERMANN A. KNOENER. v
US27880005A 1905-09-16 1905-09-16 Means for attaching gears to shafts. Expired - Lifetime US827023A (en)

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US27880005A US827023A (en) 1905-09-16 1905-09-16 Means for attaching gears to shafts.

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US27880005A US827023A (en) 1905-09-16 1905-09-16 Means for attaching gears to shafts.

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531125A (en) * 1945-06-02 1950-11-21 Toledo Scale Co Pivot retainer
US2661228A (en) * 1950-01-30 1953-12-01 Northern Pump Company Pivotal construction
US3073198A (en) * 1957-10-01 1963-01-15 Rice Barton Corp Slitting apparatus
US3138032A (en) * 1961-09-25 1964-06-23 Emerson Electric Co Axially adjustable drive mechanism
US3164402A (en) * 1962-12-11 1965-01-05 Bell Telephone Labor Inc Shaft key
US4172369A (en) * 1978-03-13 1979-10-30 Hayes Charles J Flexible coupling
US4504249A (en) * 1982-04-22 1985-03-12 Yvon Fortier H-Key adjustable pulley
US20150141184A1 (en) * 2013-11-20 2015-05-21 Lg Innotek Co., Ltd. Belt-driven starter-generator
US20160061249A1 (en) * 2014-08-29 2016-03-03 Douglas H. Powell Adjustable shear key

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531125A (en) * 1945-06-02 1950-11-21 Toledo Scale Co Pivot retainer
US2661228A (en) * 1950-01-30 1953-12-01 Northern Pump Company Pivotal construction
US3073198A (en) * 1957-10-01 1963-01-15 Rice Barton Corp Slitting apparatus
US3138032A (en) * 1961-09-25 1964-06-23 Emerson Electric Co Axially adjustable drive mechanism
US3164402A (en) * 1962-12-11 1965-01-05 Bell Telephone Labor Inc Shaft key
US4172369A (en) * 1978-03-13 1979-10-30 Hayes Charles J Flexible coupling
US4504249A (en) * 1982-04-22 1985-03-12 Yvon Fortier H-Key adjustable pulley
US20150141184A1 (en) * 2013-11-20 2015-05-21 Lg Innotek Co., Ltd. Belt-driven starter-generator
US9897190B2 (en) * 2013-11-20 2018-02-20 Lg Innotek Co., Ltd. Belt-driven starter-generator
US20180128364A1 (en) * 2013-11-20 2018-05-10 Lg Innotek Co., Ltd. Belt-driven starter-generator
US10830330B2 (en) * 2013-11-20 2020-11-10 Lg Innotek Co., Ltd. Belt-driven starter-generator
US20160061249A1 (en) * 2014-08-29 2016-03-03 Douglas H. Powell Adjustable shear key

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