US980141A - Chain case and gearing. - Google Patents

Chain case and gearing. Download PDF

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Publication number
US980141A
US980141A US571446A US1910571446A US980141A US 980141 A US980141 A US 980141A US 571446 A US571446 A US 571446A US 1910571446 A US1910571446 A US 1910571446A US 980141 A US980141 A US 980141A
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United States
Prior art keywords
chain
sprocket
case
sprockets
chain case
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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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US571446A
Inventor
Preston H Breed
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ALDEN SAMPSON Manufacturing Co
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ALDEN SAMPSON Manufacturing Co
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Publication date
Application filed by ALDEN SAMPSON Manufacturing Co filed Critical ALDEN SAMPSON Manufacturing Co
Priority to US571446A priority Critical patent/US980141A/en
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Publication of US980141A publication Critical patent/US980141A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/02—Fixed screens or hoods
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/035—Gearboxes for gearing with endless flexible members

Definitions

  • This invention relates to nnprovements 1n chain cases and gearings and is a division of my co-pending application, Serial No. 515,650, filed September 1st 1909.
  • the object of my present invention is to provide a chain case which incloses the chain with a longitudinally extending wall or shelf Within the case, adapted to pick up the ends of the chain if broken, as it rolls over the sprocket and in this way prevent it from wedging under the sprocket and probably injuring the chain case; itself; one of the sprockets, or probably some other mechanism connected with the sprocket by reason of the wedging of the broken chain.
  • FIG. 1 is a longitudinal sectional view of a .chain case with my improvement applied thereto.
  • Fig. 2 is a transverse sectional view on the line 2-2, of Fig. 1.
  • sprocket wheels either of which may be the driving sprocket so far as my present improvement is concerned, but in this instance, the sprocket 2 is the driving sprocket and the sprocket 1 is the driven sprocket. Passing around these sprocket wheels is a chain 3 of the usual construction. Surrounding the sprocket wheels and inclosing them and the chain is a chain case A having side walls 4 and top and bottom walls 5.
  • My present improvement comprises a shelf or wall 6, which is located between the side walls 4 of the case, and preferably filling this space as shown in Fig. 2.
  • This wall or shelf 6, is located between the sprocket wheels and also between the upper and lower paths of the chain with its ends 7 turned up ward and located adjacent the sprocket wheels.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

P. H. BREED.
CHAIN CASE AND GEAEING.
urmouxon mum JULY 11. 1910.
Patented De0. 27,1910.
UNITED STATES PATEN OFFICE.
PRESTON H. BREED, CF PITTSFIELD, MASSACHUSETTS, ASSIGNOR T0 ALDEN SAMPSON MANUFACTURING COMPANY, OF PITTSIEIELD, MASSACHUSETTS.
CHAIN CASE AND GEARING.
Specification of Letters Patent.
Patented Dec. 27, 1910.
Original application filed September 1, 1909, Serial N 0. 515,650. cDivided and this application filed July 11,
.is a specification, reference being had therein to the accompanying drawing.
This invention relates to nnprovements 1n chain cases and gearings and is a division of my co-pending application, Serial No. 515,650, filed September 1st 1909.
The object of my present invention is to provide a chain case which incloses the chain with a longitudinally extending wall or shelf Within the case, adapted to pick up the ends of the chain if broken, as it rolls over the sprocket and in this way prevent it from wedging under the sprocket and probably injuring the chain case; itself; one of the sprockets, or probably some other mechanism connected with the sprocket by reason of the wedging of the broken chain.
In the accompanying drawing-Figure 1 is a longitudinal sectional view of a .chain case with my improvement applied thereto. Fig. 2 is a transverse sectional view on the line 2-2, of Fig. 1.
Referring now to the drawings,'1 and 2 indicate sprocket wheels, either of which may be the driving sprocket so far as my present improvement is concerned, but in this instance, the sprocket 2 is the driving sprocket and the sprocket 1 is the driven sprocket. Passing around these sprocket wheels is a chain 3 of the usual construction. Surrounding the sprocket wheels and inclosing them and the chain is a chain case A having side walls 4 and top and bottom walls 5.
My present improvement comprises a shelf or wall 6, which is located between the side walls 4 of the case, and preferably filling this space as shown in Fig. 2. This wall or shelf 6, is located between the sprocket wheels and also between the upper and lower paths of the chain with its ends 7 turned up ward and located adjacent the sprocket wheels. With this improvement when the chain is broken, its broken end will fall upon this shelf or wall 6 as it rolls over the sprocket, and it and the complete chain will be caught by the shelf and prevented from being wedged between either of the sprockets and the wall of the chain case.
Having thus described my invention, what I claim and desire to secure by Letters Patent is 1. Thecombination with a driving sprocket and a driven sprocket apart from the driving sprocket and adapted to receive a sprocket chain, of a case extending from one sprocket to the other and having an interior chain receiving member located in the case adjacent the sprockets for the purpose described.
2. The combination with a driving chain, a driving and a driven sprocket adapted to receive said driving chain, of a chain case having an interior dimension greater than the res ective diameters of the said sprockets, an a longitudinally extending shelf located within the case and between lines drawn from the peripheries of the sprockets, the ends of the shelf turned upward and extending adjacent the sprockets.
3. The combination with a driving sprocket and a driven sprocket apart from the driving sprocket, a chain passing around the sprockets, a chain case extending between the sprockets, the case having side walls and an interior dimension greater than the respective diameters of the sprocket wheels, and a longitudinally extending shelf projecting from the side walls of the case and located between lines drawn from the peripheries of the sprockets for the purpose described.
In testimony whereof I hereunto affix my signature in the presence of two witnesses.
PRESTON H. BREED.
Witnesses BESSIE F. PARKER,
US571446A 1909-09-01 1910-07-11 Chain case and gearing. Expired - Lifetime US980141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US571446A US980141A (en) 1909-09-01 1910-07-11 Chain case and gearing.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1909515650A 1909-09-01 1909-09-01
US571446A US980141A (en) 1909-09-01 1910-07-11 Chain case and gearing.

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US980141A true US980141A (en) 1910-12-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601789A (en) * 1947-10-23 1952-07-01 Morse Chain Co Vibration damper
US20160244093A1 (en) * 2015-02-23 2016-08-25 Showa Corporation Housing structure and steering apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601789A (en) * 1947-10-23 1952-07-01 Morse Chain Co Vibration damper
US20160244093A1 (en) * 2015-02-23 2016-08-25 Showa Corporation Housing structure and steering apparatus
US9809244B2 (en) * 2015-02-23 2017-11-07 Showa Corporation Housing structure and steering apparatus

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