US2691553A - Adjustable shaft mounting - Google Patents

Adjustable shaft mounting Download PDF

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Publication number
US2691553A
US2691553A US220837A US22083751A US2691553A US 2691553 A US2691553 A US 2691553A US 220837 A US220837 A US 220837A US 22083751 A US22083751 A US 22083751A US 2691553 A US2691553 A US 2691553A
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United States
Prior art keywords
disk
frame
shaft
shaft mounting
numbers
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Expired - Lifetime
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US220837A
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Sydney E Pettigrew
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DON B CARD
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DON B CARD
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Priority to US220837A priority Critical patent/US2691553A/en
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Publication of US2691553A publication Critical patent/US2691553A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/08Means for varying tension of belts, ropes, or chains
    • F16H7/10Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/14Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
    • F16H7/16Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley without adjusting the driving or driven shaft

Description

s. E. PETTIGREW ADJUSTABLE SHAFT MOUNTING Filed April 13, 1951 //\/z/5/\/ TUE 5.5:. PE'TTIGEEW ,4 7- TU/F/Vi/ Patented Oct. 12, 1954 ADJUSTABLE SHAFT MOUNTING Sydney E. Pettigrew, Portland, reg., assignor of one-half to Don B. Card, Portland, Oreg.

Application April 13, 1951, Serial No. 220,837

1 Claim. 1

This invention relates generally to tighteners for endless chains and belts and particularly to a means whereby the axes of the pulleys or sprocket wheels may be held along a given line.

The main object of this invention is to provide a simple and effective means for tightening a belt, chain or conveyor without changing the position of the runs of the chain or belt during or after the tightening operation.

The second object is to make it possible to adjust the elevation of the end of a belt or chain and to hold it there during subsequent tightenmg.

I accomplish these and other objects in the manner set forth in the following specification as illustrated in the accompanying drawing, in which:

Fig. 1 is a fragmentary section through the device taken along the line l! in Fig. 2.

Fig. 2 is a section taken along the line 2--2 in, Fig. 1.

Fig. 3 is a diagrammatic view showing the relative positions of the related parts.

Like numbers of reference refer to the same or similar parts throughout the several views.

Referring in detail to the drawing there is shown a representative form of side frame it which may, for example, be part of a conveyor. To the side frame ill is secured a concentric ring H which is mounted concentrically with relation to the large hole l2 formed in the side frame I0, to which it is secured by means of the rivets l3.

Within the ring H and against the frame H3 is disposed the revolvable disk It having holes I 5 formed around its outer edge, said holes being equidistantly spaced and adapted to receive the clamping screws, for which there are provided tapped holes H in the frame Ill.

Formed in the disk It is the bevelled hole 18 which is eccentric with relation to the exterior of the disk M. In the hole is is the eccentric flange [9 of a bearing housing 20, within which is mounted a self-aligning bearing 2 I, which supports the shaft 22 on which, in this instance, is mounted a V-grooved pulley 23 which carries a belt 24. The outer edge 25 of the eccentric flange I9 is bevelled to match the bevelled hole H3 in the disk M. The tightening of the screws i6 clamps the flange IS in a fixed position due to the contacting bevelled edges l8 and 25.

Around the interior of the ring I I are disposed the numbers 26 which extend around 180 of the ring. The ring I4 has an indicating arrow 2'! which can register with the numbers 25.

The inner edge of the bevelled hole 18 of the disk M has numbers 28 formed around its circumference, while the outer edge of the eccentric flange It has an indicating arrow 29 formed thereon which can register with the numbers 2 8. In Fig. 3 is shown somewhat diagrammatically the operation of the device wherein the straight line 38 represents the travel of the shaft center and the semi-circular line 3! rep-resents the path of travel; that is to say, the radii of eccentricity form the sides of toggle joints or braces between the housing 20 and the frame It]. If, for example, it is desired to move the center of the shaft 22 along the line 30 for the purpose of adjusting the tension on the belt 24, or along the chain or belt carried by the shaft 22, then the first step is to move the disk [4, for example, until the arrow 21 registers with its number 2 and then put the screws l6 into place in the holes IS without tightening, after which the indicator 29 is moved to its corresponding number 2 along the edge 13 and the screws I6 tightened.

It will be noted that the inner set of numbers 28 extend around the complete circumference of the hole I8, while the outer set of numbers 26 extend only around one-half of the interior of the ring II; that is, one disk must be moved twice as far as the other in order to maintain the center of the shaft 22 along the line 30. It can thus be seen that by a very simple and inexpensive arrangement a belt may be tightened or loosened any predetermined amount along the line 30, or the shaft axis may be raised or lowered with relation to the line 30 and thereafter maintained at this level by merely maintaining a fixed relationship between the numbers on the disk and their correspondingindicating arrows; that is to say, if a 4 on the inner disk and a 2 on the outer disk would give the desired position for the shaft 22, then any similar combination of numbers separated by 2, such as '7 and 5, 3 and 1, etc., would hold the shaft 22 at the same elevation above or below the line 30.

I claim:

A shaft mounting comprised of a side frame, a journal having an eccentric flange formed thereon, a revolvable disk having a circular opening therein'eccentric with relation to the circumference of said disk and within which said flange can turn, a journal on said frame for said disk, said disk supported by said frame and having holes formed concentric with and equi-distantly around said disk, screws for clamping said perforated disk to said frame, the journal on said frame having a series of calibrations around one References Cited in the file of this patent hundred eighty degrees thereof corresponding ENT k with the spacing of the holes in said disk, said UNITED STATES PAT s disk having graduations around the full three Number Name Date hundred sixty degrees of the opening therein 5 276,292 Seymour Apr. 24, 1383 with angular spacing two times as great as the 844,892 Handel 1907 angular spacing of the holes in said disk whereby 1171347 Morse 1916 said journal and disk may be revolved in oppo- 1571557 Paul 1926 site directions and equal number of calibrations 2,538,675 Engel J 1951 and cause the axis of said shaft to move in plane. 10 FOREIGN PATENTS Number Country Date 139,363 Great Britain Mar. 4, 1920

US220837A 1951-04-13 1951-04-13 Adjustable shaft mounting Expired - Lifetime US2691553A (en)

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US220837A US2691553A (en) 1951-04-13 1951-04-13 Adjustable shaft mounting

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US2691553A true US2691553A (en) 1954-10-12

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Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800188A (en) * 1953-07-20 1957-07-23 Dwight A Garrett Conversion of crawler-type tractor to wheeled traction
US2822598A (en) * 1955-05-09 1958-02-11 Cen Vi Ro Pipe Corp Pipe mold vibrator
US2824615A (en) * 1955-09-15 1958-02-25 Pettibone New York Corp Tandem drive apparatus with improved wheel mounting
US2848170A (en) * 1953-07-24 1958-08-19 Combustion Eng Wear compensating means for pulverizing mills of the ring-roller type
US2857773A (en) * 1954-09-20 1958-10-28 Page Engineering Company Camshaft drive system
US2859793A (en) * 1955-02-08 1958-11-11 Ajax Mfg Co Pivotally mounted laterally spaced fluid pressure means for twisting crankshafts
US2986918A (en) * 1958-01-27 1961-06-06 American Machine & Metals Laundry apparatus
US3060528A (en) * 1959-02-25 1962-10-30 Turner & Scott Chris Pty Louver windows
DE1230622B (en) * 1961-11-25 1966-12-15 Zahnradfabrik Friedrichshafen Device for rectilinear radial adjustment of the central axis of a bore, a pin or the like.
DE1241464B (en) * 1959-12-30 1967-06-01 American Type Founders Co Inc Means opposite to a rotary printing machine for Schraegstellen the axis of the forme cylinder that of cooperating with him printing unit cylinder
US3395426A (en) * 1966-08-23 1968-08-06 Curlator Corp Machine for forming random fiber webs
DE1281353B (en) * 1965-02-26 1968-10-24 Leipzig Inst Foerdertech Stacking crane with lifting mast attached off-center
US3924710A (en) * 1972-11-30 1975-12-09 Harsco Corp Rack and pinion hoist
US4235121A (en) * 1978-10-26 1980-11-25 Cook Machine Company Chain speed reducer assembly
US4237744A (en) * 1978-11-20 1980-12-09 Jolly James D Chain tensioning system for vehicles
FR2465825A1 (en) * 1979-09-19 1981-03-27 Amiens Const Elect Mec Horizontal drum machine to wash and spin dry clothes - locates motor for minimum vibration and most compact assembly
WO1982001689A1 (en) * 1980-11-11 1982-05-27 Haekkinen Seppo Fastening means for a tipping device for a truck
FR2506353A1 (en) * 1981-05-19 1982-11-26 Philips Nv Adjustable suspension for the drum drive motor in washing machines especially washing machines for domestic use
US4458794A (en) * 1982-05-17 1984-07-10 Force Control Industries Drive system with oil shear clutch-brake unit
US4889436A (en) * 1988-09-30 1989-12-26 Lynn Jr Arthur E Transfer case chain adjustment
US4909642A (en) * 1988-02-04 1990-03-20 Dr. Ing. H.C.F. Porsche Ag Shiftable elastic support bearing for vibration dampers for vehicles
US4917511A (en) * 1987-07-24 1990-04-17 Tsubakimoto Chain Co. Intermittently moving device
US5160099A (en) * 1989-02-28 1992-11-03 Shimano Industrial Co., Ltd. Fishing reel with shaft alignment construction
US5427581A (en) * 1994-08-12 1995-06-27 Belt Technologies, Inc. Independently steerable idler pulley
US5676613A (en) * 1996-12-04 1997-10-14 Belt Technologies, Inc. Independently steerable tube stock idler pulley
US5722674A (en) * 1996-02-26 1998-03-03 Trak International Eccentric axle housing
DE19806839A1 (en) * 1998-02-18 1999-08-19 Renk Ag Bearing arrangement
US6149542A (en) * 1998-03-13 2000-11-21 Litens Automotive Partnership Anti-tilt belt tensioner and method for installing the same
US6398400B1 (en) * 1999-11-03 2002-06-04 A. Friedr. Flender Ag Bearing bushing and machine part for receiving the bearing bushing
EP1281489A2 (en) * 2001-08-02 2003-02-05 Electrolux Home Products, Inc. Chain saw tension adjuster
US20030104887A1 (en) * 2001-11-30 2003-06-05 Arbuckle James F. Belt tensioning system and method
DE10248339A1 (en) * 2002-10-17 2004-05-06 Braun Gmbh Spray can, to deliver a liquid jet spray as a mouth wash and clean the teeth, has an eddy chamber at the jet body to develop a cone spray of micro droplets to rinse the mouth and remove plaque
US20060097084A1 (en) * 2002-10-17 2006-05-11 Oswald Gromer Mouth rinse and spray nozzle for creating a liquid jet and teeth-cleaning system
US20100008612A1 (en) * 2006-08-31 2010-01-14 Schaeffler Kg Rolling-element bearing unit
EP2233787A1 (en) * 2009-03-23 2010-09-29 Universidad Carlos III De Madrid Adjustment mechanism of the pretensioning force in belt-pulley transmission system
DE102009052352A1 (en) * 2009-11-07 2011-05-12 Siemens Geared Motors Gmbh A journal bearing arrangement
US20120242055A1 (en) * 2011-03-25 2012-09-27 GM Global Technology Operations LLC Bearing, vehicle, and method for assembling a vehicle
US8444416B2 (en) 2005-04-26 2013-05-21 Braun Gmbh Valves for personal care devices
US8458841B2 (en) 2007-06-20 2013-06-11 Braun Gmbh Brush head for a toothbrush
US20140073467A1 (en) * 2012-09-13 2014-03-13 Makita Corporation Belt drive for a motor-driven tool
WO2018041914A1 (en) * 2016-08-31 2018-03-08 Borgwarner Sweden Ab Chain tensioning in a hybrid drive module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US276292A (en) * 1883-04-24 Differential index for machine-tools
US844892A (en) * 1905-09-15 1907-02-19 Otto Pfaender Tension device.
US1171347A (en) * 1914-03-17 1916-02-08 Morse Chain Co Adjustable bearing and coupling for pulleys.
GB139363A (en) * 1919-05-12 1920-03-04 Walter Hall Improvements in and connected with shaft bearings
US1571557A (en) * 1923-07-05 1926-02-02 Deere & Co Shaft adjustment
US2538675A (en) * 1946-07-16 1951-01-16 Joy Mfg Co Chain tension adjusting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US276292A (en) * 1883-04-24 Differential index for machine-tools
US844892A (en) * 1905-09-15 1907-02-19 Otto Pfaender Tension device.
US1171347A (en) * 1914-03-17 1916-02-08 Morse Chain Co Adjustable bearing and coupling for pulleys.
GB139363A (en) * 1919-05-12 1920-03-04 Walter Hall Improvements in and connected with shaft bearings
US1571557A (en) * 1923-07-05 1926-02-02 Deere & Co Shaft adjustment
US2538675A (en) * 1946-07-16 1951-01-16 Joy Mfg Co Chain tension adjusting device

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800188A (en) * 1953-07-20 1957-07-23 Dwight A Garrett Conversion of crawler-type tractor to wheeled traction
US2848170A (en) * 1953-07-24 1958-08-19 Combustion Eng Wear compensating means for pulverizing mills of the ring-roller type
US2857773A (en) * 1954-09-20 1958-10-28 Page Engineering Company Camshaft drive system
US2859793A (en) * 1955-02-08 1958-11-11 Ajax Mfg Co Pivotally mounted laterally spaced fluid pressure means for twisting crankshafts
US2822598A (en) * 1955-05-09 1958-02-11 Cen Vi Ro Pipe Corp Pipe mold vibrator
US2824615A (en) * 1955-09-15 1958-02-25 Pettibone New York Corp Tandem drive apparatus with improved wheel mounting
US2986918A (en) * 1958-01-27 1961-06-06 American Machine & Metals Laundry apparatus
US3060528A (en) * 1959-02-25 1962-10-30 Turner & Scott Chris Pty Louver windows
DE1241464B (en) * 1959-12-30 1967-06-01 American Type Founders Co Inc Means opposite to a rotary printing machine for Schraegstellen the axis of the forme cylinder that of cooperating with him printing unit cylinder
DE1230622B (en) * 1961-11-25 1966-12-15 Zahnradfabrik Friedrichshafen Device for rectilinear radial adjustment of the central axis of a bore, a pin or the like.
DE1281353B (en) * 1965-02-26 1968-10-24 Leipzig Inst Foerdertech Stacking crane with lifting mast attached off-center
US3395426A (en) * 1966-08-23 1968-08-06 Curlator Corp Machine for forming random fiber webs
US3924710A (en) * 1972-11-30 1975-12-09 Harsco Corp Rack and pinion hoist
US4235121A (en) * 1978-10-26 1980-11-25 Cook Machine Company Chain speed reducer assembly
US4237744A (en) * 1978-11-20 1980-12-09 Jolly James D Chain tensioning system for vehicles
FR2465825A1 (en) * 1979-09-19 1981-03-27 Amiens Const Elect Mec Horizontal drum machine to wash and spin dry clothes - locates motor for minimum vibration and most compact assembly
WO1982001689A1 (en) * 1980-11-11 1982-05-27 Haekkinen Seppo Fastening means for a tipping device for a truck
FR2506353A1 (en) * 1981-05-19 1982-11-26 Philips Nv Adjustable suspension for the drum drive motor in washing machines especially washing machines for domestic use
US4458794A (en) * 1982-05-17 1984-07-10 Force Control Industries Drive system with oil shear clutch-brake unit
US4917511A (en) * 1987-07-24 1990-04-17 Tsubakimoto Chain Co. Intermittently moving device
US4909642A (en) * 1988-02-04 1990-03-20 Dr. Ing. H.C.F. Porsche Ag Shiftable elastic support bearing for vibration dampers for vehicles
US4889436A (en) * 1988-09-30 1989-12-26 Lynn Jr Arthur E Transfer case chain adjustment
US5160099A (en) * 1989-02-28 1992-11-03 Shimano Industrial Co., Ltd. Fishing reel with shaft alignment construction
US5427581A (en) * 1994-08-12 1995-06-27 Belt Technologies, Inc. Independently steerable idler pulley
US5722674A (en) * 1996-02-26 1998-03-03 Trak International Eccentric axle housing
US5676613A (en) * 1996-12-04 1997-10-14 Belt Technologies, Inc. Independently steerable tube stock idler pulley
EP0938182A3 (en) * 1998-02-18 2001-09-12 Renk Aktiengesellschaft Bearing assembly
EP0938182A2 (en) * 1998-02-18 1999-08-25 Renk Aktiengesellschaft Bearing assembly
US6042270A (en) * 1998-02-18 2000-03-28 Renk Aktiengesellschaft Bearing arrangement
DE19806839A1 (en) * 1998-02-18 1999-08-19 Renk Ag Bearing arrangement
US6196940B1 (en) 1998-03-13 2001-03-06 Litens Automotive Belt tensioner for motor vehicle
US6149542A (en) * 1998-03-13 2000-11-21 Litens Automotive Partnership Anti-tilt belt tensioner and method for installing the same
US6398400B1 (en) * 1999-11-03 2002-06-04 A. Friedr. Flender Ag Bearing bushing and machine part for receiving the bearing bushing
EP1281489A2 (en) * 2001-08-02 2003-02-05 Electrolux Home Products, Inc. Chain saw tension adjuster
EP1281489A3 (en) * 2001-08-02 2004-03-10 Electrolux Home Products, Inc. Chain saw tension adjuster
EP1547738A1 (en) * 2001-08-02 2005-06-29 Electrolux Home Products, Inc. Chain saw tension adjuster and wear indicator
US20030104887A1 (en) * 2001-11-30 2003-06-05 Arbuckle James F. Belt tensioning system and method
US6821222B2 (en) * 2001-11-30 2004-11-23 Pelco Belt tensioning system and method
DE10248339A1 (en) * 2002-10-17 2004-05-06 Braun Gmbh Spray can, to deliver a liquid jet spray as a mouth wash and clean the teeth, has an eddy chamber at the jet body to develop a cone spray of micro droplets to rinse the mouth and remove plaque
US20060097084A1 (en) * 2002-10-17 2006-05-11 Oswald Gromer Mouth rinse and spray nozzle for creating a liquid jet and teeth-cleaning system
US8052627B2 (en) 2002-10-17 2011-11-08 The Procter & Gamble Company Spray nozzle and dental cleaning system
US8444416B2 (en) 2005-04-26 2013-05-21 Braun Gmbh Valves for personal care devices
US20100008612A1 (en) * 2006-08-31 2010-01-14 Schaeffler Kg Rolling-element bearing unit
US8043008B2 (en) * 2006-08-31 2011-10-25 Schaeffler Kg Rolling-element bearing unit
US8458841B2 (en) 2007-06-20 2013-06-11 Braun Gmbh Brush head for a toothbrush
EP2233787A1 (en) * 2009-03-23 2010-09-29 Universidad Carlos III De Madrid Adjustment mechanism of the pretensioning force in belt-pulley transmission system
DE102009052352A1 (en) * 2009-11-07 2011-05-12 Siemens Geared Motors Gmbh A journal bearing arrangement
US8585292B2 (en) 2009-11-07 2013-11-19 Siemens Aktiengesellschaft Radially adjustable shaft bearing assembly
US20120242055A1 (en) * 2011-03-25 2012-09-27 GM Global Technology Operations LLC Bearing, vehicle, and method for assembling a vehicle
US20140073467A1 (en) * 2012-09-13 2014-03-13 Makita Corporation Belt drive for a motor-driven tool
US9261171B2 (en) * 2012-09-13 2016-02-16 Makita Corporation Belt drive for a motor-driven tool
WO2018041914A1 (en) * 2016-08-31 2018-03-08 Borgwarner Sweden Ab Chain tensioning in a hybrid drive module

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