US1577047A - Vehicle wheel - Google Patents

Description

March 16 1926.

A. L. P-UTNAM VEHICLE WHEEL Filed March 24, 1919 3144104 @3066 72/ ain/m3;

3% 1 5 Hawk/0AM Patented Mar. 16, 1926.

UNITED STATES PATENT OFFICE.

ALDEN L. PUTNAM, OF DETROIT, MICHIGAN, ASSIGNOR, BY MESNE ASSIGNMENTS, OF

ONE-HALF TO MOTOR WHEEL CORPORATION, OF LANSING, MICHIGAN, A COB- PORATION OF MICHIGAN, AND ONE-HALF TO THE MIDLAND STTIEL PRODUCTS COMPANY, OF CLEVELAND, OHIO, A CORPORATION OF OHIO.

VEHICLE WHEEL.

Application filed March 24, 1919. Serial No. 284,715.

To all whom it may concern:

Be it known that I, ALDEN L. PUTNAM, a citizen of the United States of America, residing at Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Vehicle IVheels, of which the followingis a specification, reference being had therein to the accompanying drawings.

The invention relates to vehicle wheels of the dished disk type and it is the primary object of the invention to obtain a demountable construction which is reversible.

In the present state of the art dished disk wheels have been devised in which the dish of the disk crosses the central plane of the wheel or plane of impact, the inner portion being secured to the hub and the outer portion'to the rim on opposite sides of said central plane. The advantage of such construction is the added strength which is obtained, but by reason of the fact that the point of attachment to the hub is on one side of the central plane of the wheel. the

disk cannot be reversed without alteration in location of the tread. On the other hand, where the dishing of the disk is such as to bring the point of attachment to the hub in the central plane thereof, the construction is reversible but is not as strong.

To obtain the combined advantage of crossing the plane of impact and of reversibility, I have devised a construction in which the disk is dished from opposite sides thereof, the outer portion crossing the central plane of impact and the inner portion returning to said central plane. With such a construction the wheel may be reversed without altering the location of the tread, while the strength and resiliency is even greater than where dished on one side only.

In the drawings:

Figure 1 'is a. section through the wheel;

Figure 2 is'a similar View showing the wheel in reversed position;

Figure 3 is a side elevation.

A is the hub of the wheel, which may be of any suitable construction, having an out wardly extending annular flange B. As specifically shown, this flange is, located upon the inner side of the central plane of the wheel and has the brake drum 0 directly bearing thereagainst, and a ring D on the outer side of the brake drum which forms a seat for the disk in the central plane of the wheel. E are studs having shoulder portions E for bearing against the ring D and clamping the same, together with the brake drum C, to the flange B. These studs have outwardly projecting threaded portions G for securing the disk through the medium of the outer clamping ring H and securing nuts I or other equivalent means.

My improved disk wheel comprises a center portion J which is preferably parallel to the plane of the wheel and is adapted to seat against the ring D and to be clamped thereto by the ring H. The inner end of this central portion is preferably provided with a turned flange K which bears upon a cylindrical portion of the hub A and alternately engages recesses L and M in the rings H and D according towhich way the disk is turned. Surrounding the central portion J is a dished portion N extending upon one side of the central plane of the wheel, and surrounding this portion is an oppositely dished portion 0 which crosses the central plane of the wheel and at its periphery is secured to the rim P by any suitable means, such as the clamping bolts Q, engaging aligned apertures in the disk and inwardly extending flanges R and R of complementary rim sections. The disk is also preferably of a tapering cross-section, gradually dlm nishing from the gauge of the central portlon J to that of the peripheral portion.

1th the construction as described, when the disk is mounted upon the hub, as shown 1n Figure 1, the portion N extends inwardly and the portion 0 outardly, giving a general concave form to the outer side. This arrangement is preferred for certain uses both on account of the appearance, which 1s pleasing, and for other mechanical reasons. On the other hand, with this arrangement of the wheel the tire inflation tube will be arranged on the inner side of the disk; and where the clearance between the brake drum and the rim is small it is difficult to find access to the tube when the tires are to be inflated. However, by reversing the disk, as shown in Figure 2, the inflation tube will be exposed as indicated in dotted lines at S, which will avoid all difliculty.

In addition to the advantages above described, my improved construction of wheel has greater strength and resiliency than a single dished disk, while the appearance is also improved.

lVhat I claim as my invention is:

1. In a vehicle wheel, the combination with a hub and rim, of a. disk connecting said hub and rim having two reversely dished portions, and an undished portion outside the dished portion and substantially horizontal rim-securing bolts passing through said undished portion.

2. In a vehicle wheel, the combination with a hub and a rim, of a disk having its main portion dished inwardly from the rim to one side of the central plane of the wheel, an oppositely dished portion of relatively small area adjacent the hub, and a securing portion substantially in the plane of impact.

3. In a vehicle wheel, the combination with a hub having a cylindrical portion and an outwardly extending portion adjacent to the central plane of the wheel, a rim, and a disk extending between said hub and rim having a central portion seated on the out wardly extending portion of the hub, a dished portion extending from said central portion to one side of the central plane, and an oppositely dished portion extending from first mentioned dished portion crossing the central plane and secured to the rim on the opposite side thereof.

4. In a vehiclewheel, the combination with a hub and a rim, of a disk extending between said hub and rim having a portion adjacent to the hub in the central plane of the wheel and provided at its inner edge with a turned flange for hearing on the cylindrical portion of the hub, a portion outside of said central portion dished to ex tend on one side of the central plane of the wheel, a portion outside of said dished portion oppositely dished and crossing the central plane of the wheel, being secured to said rim on the opposite side of said plane, and clamping bearings for said disk on opposite sides thereof, said bearings being cut away to receive the turned flange of the disk when turned with either face outward.

5. In a vehicle wheel, the combination with a hub and a rim, of a. disk connecting said hub and rim, having a gradually dished outer portion and an oppositely dished inner portion of abrupt inclination, and of relatively small area as compared to said outer portion.

6. In a vehicle wheel, the combination with a hub and a rim, of a disk connecting said hub and rim, having an abruptly dished inner portion and an oppositely dished outer portion of gradual inclination.

7. In a vehicle wheel, the combination with a hub and a rim, of a disk having an inner portion substantially in the plane of impact, an adjacent abruptly dished portion.

and a gradually dished body portion crossing the plane of impact, and securing means engaging said inner portion.

In testimony whereof I ailix my signature.

ALDEN L. PUTN AM.

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