USD30633S - Design for a manhole-cover - Google Patents

Description

DESIGN.

Patented Apr. 25, I899.

T. P. GREGER.

MANHOLE COVER,

(Application filed Mar. 30, 1899) UNITED STATES PATENT OFFICE.

THOMAS P. GREGER, OF PHILADELPHIA, PENNSYLVANIA.

DESIGN FOR A MANHOLE-COVER.

SPECIFICATION forming part of Design No. 30,633, dated April 25, 1899. Application filed March 30, 1899. Serial No. 711,170. Term of patent 14 years.

To all whom it may concern Be it known that I, Tnorms I. GREGER, a citizen of the United States,residin g at the city of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented and produced a certain new and original Design for a ll'lanholc-Cover, of which the following is a specification, reference being bad to the accompanyingd rawi n forming part hereof, in which Figure 1 is a top or plan view of a manholecover, showing the particular shape or configuration of the cover of my design; and Fig. 2 is a vertical sectional view on the line a; a; of Fig. 1 of the drawings. These two views are deemed essential to a full disclosure and illustration of my invention.

The leading feature of my design consists in the unitary structure made the subject of illustration, having the shape or con ligu ration shown.

As illustrated in the drawings, A represents the cover of my design, having the bottom o. coneaved, so as to provide internally oi" the cover, wherein is introduced a suitable filling, a convex-shaped bottom a, the surrounding Wall 0, of which cover is inclined at of beneath a rim (0, provided with an inclined face a, while at the top and extending internally and.

around the same is a ledge a, and beneath and forming a part of the body of the rim or, is provided a substantially U shaped inverted ridge or groove (1 as clearly illustrated in Fig. 2. Opposite each other and integral with the bod y of the rim 0; and projecting inwardly are curved and straight surface brackets I), having oblong recesses b and vertical openings 0 extending from the base or bottom of the recesses 1), through the wall of the cover (t and rim of, in which islocated the T-shaped hand-lift 0, having at the bottom an angular end 0, as clearly illustrated in Fig. 2. In the rear wall, adjacent to the recess 1), is formed in each of the brackets Z) a V- shaped niche or notch (l, as clearly illustrated in Fig. 1 of the drawings.

Having thus described lnyinvention, what I claim as new, and desire to secure by Letters Patent, is-

The design for a manhole-cover, substantially as herein described and illustrated.

In testimony whereof I have hereunto set my signature in the presence of two subscribing witnesses.

THOMAS l. ("TREGER Witnesses:

J. \VALTER DoUeLAss, THOMAS M. SMITH.

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