US738369A - Traction-wheel. - Google Patents

Traction-wheel. Download PDF

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Publication number
US738369A
US738369A US12772502A US1902127725A US738369A US 738369 A US738369 A US 738369A US 12772502 A US12772502 A US 12772502A US 1902127725 A US1902127725 A US 1902127725A US 738369 A US738369 A US 738369A
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Prior art keywords
wheel
wheels
rods
rim
rims
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US12772502A
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Henry Spurrier Jr
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B15/00Wheels or wheel attachments designed for increasing traction

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  • This in vention relates to the driving-wheels of self-propelled road-vehicles and its object is to provide means whereby projections may be temporarily produced in the rims of the wheels enabling them to obtain a grip upon slippery surfaces as and when required. It has already been attempted to provide temporary projections for the same purpose upon the driving-wheels in the form of cogs or spikes, which can be screwed into the rims of the wheels when required and be afterward removed therefrom; but it has been found that when the cogs are removed the holes in therims become filled up and that the screw-threads therein become so blurred and battered that the cogs cannot again be inserted when required. My invention avoids this and other difficulties.
  • I form internally-screw-threaded holes a through the rimf and felly rof each driving-wheel of the vehicle and fit therein a rod I), screwed throughout its length except over its inner end 0, which is'made non-circular and of smaller diameter than the screwed part of the rod.
  • Figs. 3 As shown by Figs. 3
  • the hole in the rim may be made of comes worn down or is withdrawn.
  • the end 0 of the rod is first inserted into the hole through the rim and felly from the outside, and it is then rotated until the outer end of the-rod is about flush with the surface of the rim.
  • the driving-wheels commence to slip because of the state of the road or owing to the presence of ice or snow thereon, the rods are screwed outward, so as to. project slightly from the rims, by means of a suitable key or spanner fitting upon the ends c, so that temporary cogs are thereby produced.
  • the rods When the slippery surface has been passed, the rods may either be turned backward, so that their ends again lie about flush with the rims, or they may be suffered to wear down, since the amount of projections is so small that they cannot damage the roadway. In the latter case the outer ends of the rods will become battered or riveted over; but this is not objectionable. On the contrary the slight head thus formed is a shield for the protection of the screw-thread in the rim.
  • the rods when used as shown by Figs. 1 and 2, serve the additional purpose of strengthening the wheels by insuring a more perfect connection between their rims and fellies.
  • My improvements may be similarly applied to driving-wheels having rims only without In use follies, except that in this case if the nut 'n v is used it should be fixed upon or form part of the inner surface of the rim in connection with each of the rods; but the nut will be super-flous when the rims have a sufficient thickness to give a length of internallyscrewed hole therein equal to or exceeding the diameter of the screwed rod, as is well understood.
  • the ends may be round and provided with radial tommy-holes, so that the rods may be turned by a tommy.
  • ICL it essential ICL be inserted from the inner side. I find it advantageous, however, to make them so long that with wheels having ordinary fellies they must be inserted from the outer side, as this insures a maximum life for them.
  • a rim provided with a plurality of screw-nuts having radial threaded :0 holes, screw-bolts located in said nuts and adapted to project beyond the rim, said rim having coaxial external countersinks around the ends of the bolts, for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Description

PATENTED SEPT. 8. 1903. v
' H. SPURRIER, JR. TRACTION WHEEL. APPLICATION FILED OCT. 17, 1902.
no MODEL III! UNITED STATES Patented September 8, 1903.
HENRY SPURRIER, JR, OF ST. ANNES-ON-THE-SEA, ENGLAND.
TRACTlON -WH EEL.
SPECIFICATION forming part of Letters Patent No. 738,369, dated September 8, 1903. Application filed October 17, 1902. Serial No. 127,725. (No model.)
To alt whom it may concern.-
Be it known that I, HENRY SPURRIER, Jr., a subject of the King of Great Britain and Ireland, residing at St. Annes-on-the-Sea, in the county of Lancaster, England, have invented new and useful'lmprovements in the Driving- Wheels of Self-Propelled Road-Vehicles, of which the following is a specification.
This in vention relates to the driving-wheels of self-propelled road-vehicles and its object is to provide means whereby projections may be temporarily produced in the rims of the wheels enabling them to obtain a grip upon slippery surfaces as and when required. It has already been attempted to provide temporary projections for the same purpose upon the driving-wheels in the form of cogs or spikes, which can be screwed into the rims of the wheels when required and be afterward removed therefrom; but it has been found that when the cogs are removed the holes in therims become filled up and that the screw-threads therein become so blurred and battered that the cogs cannot again be inserted when required. My invention avoids this and other difficulties.
I will describe my present improvements with reference to the accompanying drawings, in which Figure 1 represents in elevation, and Fig. 2 in sectional side View, a part of a wheel with my means for producing the temporary projections applied thereto; Figs. 8 and 4 are views corresponding with Figs. 1 and 2 and show a modification in construction.
As illustrated by Figs. 1 and 2, I form internally-screw-threaded holes a through the rimf and felly rof each driving-wheel of the vehicle and fit therein a rod I), screwed throughout its length except over its inner end 0, which is'made non-circular and of smaller diameter than the screwed part of the rod. Alternatively, as shown by Figs. 3
and 4, the hole in the rim may be made of comes worn down or is withdrawn. the end 0 of the rod is first inserted into the hole through the rim and felly from the outside, and it is then rotated until the outer end of the-rod is about flush with the surface of the rim. When the driving-wheels commence to slip because of the state of the road or owing to the presence of ice or snow thereon, the rods are screwed outward, so as to. project slightly from the rims, by means of a suitable key or spanner fitting upon the ends c, so that temporary cogs are thereby produced. When the slippery surface has been passed, the rods may either be turned backward, so that their ends again lie about flush with the rims, or they may be suffered to wear down, since the amount of projections is so small that they cannot damage the roadway. In the latter case the outer ends of the rods will become battered or riveted over; but this is not objectionable. On the contrary the slight head thus formed is a shield for the protection of the screw-thread in the rim. There may be any suitable number of rods in each driving-wheel, but generally as many rods as there are spokes, with which they alternate. The rods, when used as shown by Figs. 1 and 2, serve the additional purpose of strengthening the wheels by insuring a more perfect connection between their rims and fellies.
My improvements may be similarly applied to driving-wheels having rims only without In use follies, except that in this case if the nut 'n v is used it should be fixed upon or form part of the inner surface of the rim in connection with each of the rods; but the nut will be super-flous when the rims have a sufficient thickness to give a length of internallyscrewed hole therein equal to or exceeding the diameter of the screwed rod, as is well understood.
I do not limit myself to the particular formation of the inner ends of the rods, since these may obviously be varied without departing from my invention. For example, the ends may be round and provided with radial tommy-holes, so that the rods may be turned by a tommy. Nor is it essential ICL be inserted from the inner side. I find it advantageous, however, to make them so long that with wheels having ordinary fellies they must be inserted from the outer side, as this insures a maximum life for them.
What- I do claim as my invention, and desire to secure by Letters Patent, is
In a vehicle-wheel, a rim provided with a plurality of screw-nuts having radial threaded :0 holes, screw-bolts located in said nuts and adapted to project beyond the rim, said rim having coaxial external countersinks around the ends of the bolts, for the purpose set forth.
In testimony whereof I have signed my name to this specification in the presence of 15 two subscribing Witnesses.
HENRY SPURRIER, JR. Witnesses:
FRANK A.'HEYS,' WM. WARREN.
US12772502A 1902-10-17 1902-10-17 Traction-wheel. Expired - Lifetime US738369A (en)

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US12772502A US738369A (en) 1902-10-17 1902-10-17 Traction-wheel.

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US12772502A US738369A (en) 1902-10-17 1902-10-17 Traction-wheel.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627888A (en) * 1950-01-28 1953-02-10 Us Rubber Co Tire tread having adjustable traction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627888A (en) * 1950-01-28 1953-02-10 Us Rubber Co Tire tread having adjustable traction device

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