US1570564A - Ladder foot - Google Patents

Description

Jam 19 1926.--

J. L. HAMEL" LADDER FOOT Fild May 14, -1925 INvEN-roq' Patented Jan. 19, 1926.

UNITED STATES JOSEPH LEWIS I IAMEL, E BUFFALO, YORK.

LADDER FOOT.

Application filed May 14, 1925.

To all whom it may concern Be it known that I, JosnPH LEWIS HAMEL,

a citizen of the United States of America,

and a resident of the city of Buffalo, county of Erie, in the State of New York, United States of America, have invented certain new and useful Improvements in Ladder Feet, of which the following is a full, clear, and exact description.

My invention relates to improvements in nonslipping feet for ladders, and the object 0 the invention is to devise a ground or wall gripping device which can be detachably secured to the tops and bottoms 01 ladders for anchoring them in position so that they cannot become accidently displaced, and a further object of the invention is to produce a device of a simple construction which will permit it being readily atp tached to and detached from ladders of the standard sizes. A still further object of the invention is to devise means for retaining the ground or wall gripping portion of my device at any desired angle to the ladder to facilitate the erection of the same.

My invention consists of a ladder foot constructed and arranged all as hereinafter more particularly described and illustrated in the accompanying drawing in which Fig. 1 is a side elevational view of my ladder foot, the upper portion of the means for securing it to the ladder being broker away.

Fig. 2 is a front elevational view thereof the suction cup which I provide as a ground or wall grip, and the socket in which it is secured being broken away.

Fig. 3 is a side elevational view of a broken away end of a ladder rail.

Fig. 4 is a side elevational view of one of the plates of my device which is secured to the end of the ladder.

Fig. 5 is an edge elevational view thereof, and

Fig 6 is a broken away side elevational view of the upper portion of the suction cup socket.

Like characters of reference indicate the corresponding parts in the different views.

1 is a suction .cup having a recess 2 in its lower face, and it reduced circular portion 3 on its upper face, the cuping of circular shape .a icl' preferably constructed of rubber. 4 is tbefipQka .lt iem er having a downwardly Serial No. 30,296.

extending skirt 5 on its lower face which forms a socket 6 of circular formation into which the reduced portion 3 of the suction cup is inserted. The socket 6 gradually increases in diameter from its mouth inwardly which permits the portion 3 to swell therein thus firmly securing them together.

Upon the upper face of the socket member 4: a pair of upwardly extending parallel, and spaced apart lugs 7 and 8 are provided, and 9 are opposedly positioned centrally disposed circular orifices in the lugs. 10 and 11 are a pair of plates of similar construction having bosses 12 on their outer faces in the vicinity of their lower ends, the bosses being adapted to be freely inserted into the respective orifices 9. 13 are pairs of orifices in the upper ends of the plates, and 14 are a air of similarly spaced apart orifices in the ladder leg 15. 16 are bolts for bolting the plates 10 and 11 on either side of the ladder leg 15, the bolts passing through the orifices 13 in the plates and 14.- in the ladder foot.

Upon the outer faces of the plates 10 and 11 and surrounding the bosses 12, and also on the inner faces of the lugs 7 and 8 and surrounding the orifices 9, I provide circular serrated faces 17 and 18, these faces coact one with the other and retain, the lugs and plates in adjusted relationship with each other. For strengthening the lugs 7 and 8 on the socket, I provide a cross piece 18 joining them at one side.

In order to attach my device to a ladder it is merely necessary to drill a pair of holes in the ends of the ladder rails as shown in Figure 3, and place the plates 10 and 11 against the inner walls of the lugs 7 and 8, the bosses 12 entering the orifices 9. The end of the ladder rail is now inserted between the plates and the bolts 16 inserted through the orifices 13 in the plates and 14 in the rail end, wing nuts 19 being screwed home on the bolts thus firmly securing the plates to the ladder rail end. It is to be understood that in the construct-ion of my device it is so dimensioned that the space between the positioned plates 10 and 11 will tightly receive the ladder rail end, and through the abutment of the serrated faces 17 and 18 the foot can be retained at any desired angle to the ladder. This feature is particularly desirable when my device is d on t e head of the ladder, as it permits the suction cup being positioned at the correct angle before the ladder is reared.

From theabove description it will be seen that I have devised a simply and cheaply constructed foot for step ladders pairs of Which can be very readily applied to any standard ladder at a minimum of cost and time. Furthermore by my construction the feet may be quickly detached from one ladder and attached to another.

\Vhat I claim as my invention is:

A ladder toot, comprising a socket niember, a suction cup secured to the socket member, a pair of lugs having orifices therein and extending upwardly from the socket member, and a pair of plates having bosses thereon adapted to be detachably secured to a ladder rail, the bosses being adapted to be inserted into the orifices in the lugs.

JOSEPH LEWIS HAMEL.

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