US1555439A - Shaft and detachable gear - Google Patents
Shaft and detachable gear Download PDFInfo
- Publication number
- US1555439A US1555439A US747421A US74742124A US1555439A US 1555439 A US1555439 A US 1555439A US 747421 A US747421 A US 747421A US 74742124 A US74742124 A US 74742124A US 1555439 A US1555439 A US 1555439A
- Authority
- US
- United States
- Prior art keywords
- shaft
- gear
- web
- attaching device
- members
- 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
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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
-
- 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
- WILLIAM I. SCHULZE, or CHICAGO, rumors, ,A'SSIGNVOBITO m asewamm srnnnomn'rna CORPORATION, or CHICAGO, ILLINOIS, A' CORPORATION or VIR- GINIA.
- the purpose of this invention is to provide an improved construction of shaft and detachable gear with means for attaching the gear to the shaft, adapted to facilitate disengagement of the gear for repair replacement or for substituting a difierent gear. It consists in the elements and features of construction shown and described as indicated in the claims.
- Figure 1 is a partly sectional view axial with respect to the gear and attaching de- Vice, the same being shown on the shaft which appears in elevation.
- Figure 2 is a section at the line, 22.
- Figure 3 is an outer end elevation of the attaching device.
- Figure 4 is an inner side view of one of the parts forming the attaching device as seen at the plane indicated at the line, 44, on Figure 3.
- Figure 5 is an axial section of the terminal gear carrying portion of the shaft.
- the shaft, A has a gear centering terminal comprising a conically tapered part, 10, a cylindrical end portion, 11, corresponding in diameter to the least diameter of said tapering part, and a cylindrical part, 12, having a diameter equal to the greatest diameter of the conical part, 10, back of the terminal portion of the shaft, it has two opposite parallel cross slots or grooves, 13, 13, reducing the shaft in cross section to a neck portion, 14, and forming rearwardly facing shoulders, 15, 15.
- the gear, B has a central substantially cylindrical bore, 6, which may be tapered so slightly that the taper is invisible in the drawings for a drive fit as hereinafter mentioned, and at one side of said bore there is formed a slot, 79 which may be termed a key seat for an engagement hereinafter described.
- the attaching device comprises two members, 0 and C identically formed excepting as to a single feature hereinafter particularized. Each of these parts of the attaching member consists of a hollow half bushing dimensioned as a whole,-that is, when the two members are assembled on the shaft--for drive fit in the central aperture, 5, of the gear, B. Each of these members has at the opposite ends respectively semi-circular webs, 16 and 17, the web, 16, at the forward end having a semicircular notch 16 to fit the cylindrical end portion 11, of th shaft, and a web, 17, at
- the rear end having an angular or par allel-sided notch, 17, rendering said web forked for engaging the neck,.14c, of the shaft.
- the member, G has struck out from its cylindrical side wall preferably at a point near the rear end web, 17, an outwardly projecting lug, 19, dimensioned for engaging the key slot, Z2 of the gear.
- the gear may be applied outside the assembled attaching device with the key slot, b aligned with the lug, 19, and upon being driven home entering the lug, 19, in the key slot, the attaching device members will be snugly clamped into engagement with the shaft at the same time that the gear is made rigid by its drive fit with the driving device, and thereby the gear is secure-d rigidly to the shaft against displacement either axially or rotatively.
- a shaft, a disengageable gear and an attaching device having a reduced centering terminal and a transverse reduction forming a non-circular neck and a rearwardly facing shoulder;
- the attaching device consisting of a two-part hollow bushing, each part having at one end a semi-circular web fitting the reduced shaft terminal and at the other end a semicircular web forked to engage the reduced neck of the shaft, the gear having a central struck lug from one of its members for enaperture dimensioned for drive fit on the gaging said slot. bushing.
- v In testimon where0f,.I have hereunto set 10 2.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
Sept. 29, 1925. 1,555,439
w. H. SCHULZE SHAFT AND DBTACHABLE GEAR Filed Nov. 5, 1924 Patented Sept. 29, 1925.
UNITED S ATES,
WILLIAM; I. SCHULZE, or CHICAGO, rumors, ,A'SSIGNVOBITO m asewamm srnnnomn'rna CORPORATION, or CHICAGO, ILLINOIS, A' CORPORATION or VIR- GINIA.
SHAFT AND DE'IAGHABLE GEAR.
Application filed November 3, 1924. Serial No. 747,421.
To all whom it may concern:
Be it known that I, WILLIAM H. SoHULzE, a citizen of the United States, residin in the city of Chicago, in the county of (Jook and State of Illinois, have invented certain new and useful Improvements in Shafts and Detachable Gears, of which the following is a specification, reference being had to the accompanying drawings forming a part thereof.
The purpose of this invention is to provide an improved construction of shaft and detachable gear with means for attaching the gear to the shaft, adapted to facilitate disengagement of the gear for repair replacement or for substituting a difierent gear. It consists in the elements and features of construction shown and described as indicated in the claims.
In the drawings:
Figure 1 is a partly sectional view axial with respect to the gear and attaching de- Vice, the same being shown on the shaft which appears in elevation.
Figure 2 is a section at the line, 22.
Figure 3 is an outer end elevation of the attaching device.
Figure 4 is an inner side view of one of the parts forming the attaching device as seen at the plane indicated at the line, 44, on Figure 3.
Figure 5 is an axial section of the terminal gear carrying portion of the shaft.
In the construction shown in the drawings the shaft, A, has a gear centering terminal comprising a conically tapered part, 10, a cylindrical end portion, 11, corresponding in diameter to the least diameter of said tapering part, and a cylindrical part, 12, having a diameter equal to the greatest diameter of the conical part, 10, back of the terminal portion of the shaft, it has two opposite parallel cross slots or grooves, 13, 13, reducing the shaft in cross section to a neck portion, 14, and forming rearwardly facing shoulders, 15, 15. The gear, B, has a central substantially cylindrical bore, 6, which may be tapered so slightly that the taper is invisible in the drawings for a drive fit as hereinafter mentioned, and at one side of said bore there is formed a slot, 79 which may be termed a key seat for an engagement hereinafter described. The attaching device comprises two members, 0 and C identically formed excepting as to a single feature hereinafter particularized. Each of these parts of the attaching member consists of a hollow half bushing dimensioned as a whole,-that is, when the two members are assembled on the shaft--for drive fit in the central aperture, 5, of the gear, B. Each of these members has at the opposite ends respectively semi-circular webs, 16 and 17, the web, 16, at the forward end having a semicircular notch 16 to fit the cylindrical end portion 11, of th shaft, and a web, 17, at
the rear end having an angular or par allel-sided notch, 17, rendering said web forked for engaging the neck,.14c, of the shaft. At least one of the members, and not necessarily both, and as shown, the member, G has struck out from its cylindrical side wall preferably at a point near the rear end web, 17, an outwardly projecting lug, 19, dimensioned for engaging the key slot, Z2 of the gear.
From the foregoing description, it may be understood that the two members, C, C of the attaching device, being applied to the opposite sides of the shaft terminal with their rear end web fork notches, 17 engaged with the neck, 14:, of the shaft and their forward end Web notches, 16*, fitting the cylindrical terminal, 11, of the shaft, the gear may be applied outside the assembled attaching device with the key slot, b aligned with the lug, 19, and upon being driven home entering the lug, 19, in the key slot, the attaching device members will be snugly clamped into engagement with the shaft at the same time that the gear is made rigid by its drive fit with the driving device, and thereby the gear is secure-d rigidly to the shaft against displacement either axially or rotatively.
I claim:
1. In combination, a shaft, a disengageable gear and an attaching device, the shaft having a reduced centering terminal and a transverse reduction forming a non-circular neck and a rearwardly facing shoulder; the attaching device consisting of a two-part hollow bushing, each part having at one end a semi-circular web fitting the reduced shaft terminal and at the other end a semicircular web forked to engage the reduced neck of the shaft, the gear having a central struck lug from one of its members for enaperture dimensioned for drive fit on the gaging said slot. bushing. v In testimon where0f,.I have hereunto set 10 2. In the construction defined in claim 1 my hand at C icago, Illinois, this 29 day of 6 foregoing, the gear having a key-seating October, 1924.
slot opening from its central aperture and i I I 7 the attaching device having an outwardly- WVILLIAM HISCHULZEQ
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US747421A US1555439A (en) | 1924-11-03 | 1924-11-03 | Shaft and detachable gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US747421A US1555439A (en) | 1924-11-03 | 1924-11-03 | Shaft and detachable gear |
Publications (1)
Publication Number | Publication Date |
---|---|
US1555439A true US1555439A (en) | 1925-09-29 |
Family
ID=25004987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US747421A Expired - Lifetime US1555439A (en) | 1924-11-03 | 1924-11-03 | Shaft and detachable gear |
Country Status (1)
Country | Link |
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US (1) | US1555439A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678227A (en) * | 1951-03-26 | 1954-05-11 | Carter Carburetor Corp | Antirattle fastener device |
EP0422372A2 (en) * | 1989-10-10 | 1991-04-17 | Robert Bosch Gmbh | Ignition distributor rotor for combustion engines |
EP0425040A2 (en) * | 1989-10-25 | 1991-05-02 | Whirlpool International B.V. | Device for coupling a fan to its drive shaft, particularly in fan-assisted domestic electric ovens |
DE102015102137A1 (en) * | 2015-02-13 | 2016-08-18 | Dorothea Becker | Positioning sleeve segments |
-
1924
- 1924-11-03 US US747421A patent/US1555439A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678227A (en) * | 1951-03-26 | 1954-05-11 | Carter Carburetor Corp | Antirattle fastener device |
EP0422372A2 (en) * | 1989-10-10 | 1991-04-17 | Robert Bosch Gmbh | Ignition distributor rotor for combustion engines |
EP0422372A3 (en) * | 1989-10-10 | 1991-06-12 | Robert Bosch Gmbh | Ignition distributor rotor for combustion engines |
EP0425040A2 (en) * | 1989-10-25 | 1991-05-02 | Whirlpool International B.V. | Device for coupling a fan to its drive shaft, particularly in fan-assisted domestic electric ovens |
EP0425040A3 (en) * | 1989-10-25 | 1991-08-21 | Whirlpool International B.V. | Device for coupling a fan to its drive shaft, particularly in fan-assisted domestic electric ovens |
DE102015102137A1 (en) * | 2015-02-13 | 2016-08-18 | Dorothea Becker | Positioning sleeve segments |
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