US1222160A - Charging or measuring device. - Google Patents

Description

J. A. SVENSON.

CHARGING AND MEASURING DEVICE. APPLICATION FILED FEB-1B. I9II. RENEWED SEPT. I4. I916.

1,222,162. Patented Apr. 10,1917.

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J. A SVENSON.

CHARGING AND MEASURING DEVICE. APPLICATION FILED FEB- I8, 19H. RENEWED SEPT. 14 I916.

Patented Apr. 10, 1917.

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JOHN A. SVENSON, OF PITTSBURGH, PENNSYLVANIA, ASSIGNOB. 0F ONE-HALF TO JESSE J. SHUMAN, O1? PITTSBURGH, PENNSYLVANIA.

CHARGING OR MEASURING DEVICE.

Specification of Letters Patent.

Patented Apr. 10, 1217.

Application filed February 18, 1911, Serial No. 609,404. Renewed September 14, 1916. Serial No. 120,190.

To all whom it may concern:

Be it known that T, JOHN A. SvENsoN, a citizen of the United States, residing at Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Charging or Measuring Devices, of which the following is a specification.

This invention relates to a charging or measuring device adapted to facilitate the introduction of materials into a concrete mixing machine.

The objects of the invention are to provide a charging device which is low down, so that materials may be shoveled into the receptacles of the device by arelatively short lift; to prevent material from being through the charging device and the mixing machine taken in the plane of line 33 of Fig. 2.

While the detailed construction of the mixing machine forms no part of the present invention, the embodiment of the invention shown in the drawings is particularly adapted for use in conjunction with a mixing machine having a relatively shallow circular mixing chamber orcontainer 32 which may be mounted upon any suitable support herein shown as comprising a low truck 36 37. The materials are mixed by revolving paddles 33 of any preferred construction and driven by any suitable means.

A charging or measuring device, embodying my invention in its preferred form as shown in the drawings, comprises a triangular framework 20 which rests upon the horizontal upper edge of the container 32. Plates 21 and 22 secured to the oppositely sloping sides of the framework 20 constitute a roof which completely closes the upper end of the container 32. An opening 4 1 is provided in each of the plates 21 22 and at the inner edges of said openings 21 pair of vertical plates 16 17 is situated, said plates being suitably secured to the frame 20 and extending downwardly from the openings 11 substantially to the plane of the upper edge of the container 32. Charging receptacles or boxes 12 and 13 are mounted in the openings 4-1, each of the said receptacles comprising a bottom wall, a front wall and two opposite side walls. The rear side of the receptacle is open, said side being closed by the adjacent plate 16 17 when the receptacle is in its normal position. T he receptacles are pivotally secured to the frame 20 by means of pivot bolts or rods 18 19 at the upper rear corners of the side walls of the receptacles. These pivot bolts are thus located adjacent to the open side of the receptacle. Pandles 23 and 2 1 are fixed to the front walls of the receptacles and provide means for manually swinging the re ceptacles laterally and upwardly. When so swung, the open side of the receptacle will move away from the adjacent wall 16 17, and the material in the receptacle will fall by gravity into the mixing chamber 32. It will be noted that the bottom walls of the receptacles when in normal position are substantially flush with the'upper edge of the mixing chamber. The construction is such that the receptacles are placed at the lowest possible position so that material may be shoveled into the receptacles by a relatively short lift. The sides of the receptacles fit closely along the edges of the opening 41, so that when'the receptacles are in their normal position, material cannot be introduced into the mixing chamber except through the charging receptacles. Any material which accidentally falls outside of the receptacles will roll or slide down the roof plates 21 22 onto the ground.

If desired, the receptacles may be made of different sizes as shown most clearly in Fig. 2 in order to facilitate measuring the different ingredients of the concrete. In Fig. 2 the receptacles 13 are illustrated as raised into position to discharge the contained material into the mixing chamber 32. it will be noted that only a short pivotal movement of each receptacle is necessary to bring it into such discharging position. Preferably, the receptacles are made shallow at their outer sides and deep adjacent to the plates 16 and 17. This facilitates'the swinging or lifting of the receptacles upwardly, and also facilitates shoveling material into the receptacles.

By reason of the fact that the pivot bolts 18, 19 are located at a distance above the bottom walls of the receptacles and adjacent to the open sides thereof the weight of the receptacles and the material therein tends to hold the receptacles in their normal position in which the open sides are closed by the stationary vertical plates 16, 17. The receptacles are therefore perfectly stable, it being impossible to accidentally tilt them into discharging position in the operation of shoveling material thereinto.

If desired, partitions 14 and 15, indicated in dotted lines in Fig. .1, may be employed todivide either or both of the receptacles into suitable spaces for containing different materials. These partitions are preferably removable and may be adjustably secured in the receptacles by any well known or preferred means.

I claim as my invention:

1. The combination of an open top container, a triangular framework mounted upon the upper edge thereof, roof plates mounted on said framework and sloping downwardly in opposite directions, each of said plates having an opening therein, avertical wall extending downwardly from the inner edge of each of said openings, and charging receptacles each having an open side arranged to be closed by one of said vertical plates, each receptacle being pivoted at its upper corner adjacent to said plate, whereby the receptacle maybeswung upwardly away from said plate to discharge its contents into said container.

2. The combination with a relatively shallow container having means to support it close to the ground, of a framework mounted upon the upper edge of said container, a roof secured to said framework and completely closing the upper end of said container, said roof having an opening therein, and a charging receptacle fitting closely in said opening and pivotally mounted in said framework, the bottom wall of said receptacle when in normal position being substantially flush with the upper edge of said container.

3. The combination with a relatively shaled upon the upper cdge of said container, a roof secured to said framework and covering said container, said roof having it downwardly sloping portion provided with an opening, a charging receptacle fitting in said opening and pivotally mounted in said framework, the bottom of said receptacle when in normal position being substantially fiushwith the upper edge of said container, and said receptacle being shallower at its outer side than at its-inner side, and a handle secured to said receptacle for swinging it to discharge the contents-into said container.

4. charging or measuring device comprising a frame including a vertical plate and a box having an open top and an open side, said box being positioned so that said plate normally closes said open side, and means pivotally connecting the upper corners of said box to said frame at a point adj acent to said vertical plate.

5. A charging or measuring device comprising a box having an open top and an open side, said box being pivoted at its upper cor- 11ers adjacent to said open side, a stationary plate closingv said open side when the box is in its normal position, and a handle on said box for swinging said box upwardly away from said plate to discharge its contents.

6. The combination of an open top container, a frame mounted upon said container, a roof covering said container and having an opening therein, a receptacle having an open side, said receptacle fitting in the opening in said roof and being pivoted to said frame at its upper corners adjacent to said open side, and, a stationary vertical plate mounted in said frame and closing said open side when said receptacle is in its normal position.

7. In a charging or measuring device, the combination of a vertical plate and a recepta'cle having a bottom wall normally 'a-butting at one edge adjacent to said plate, said receptacle being pivoted on an axis located a distance above said bottom-wall and adjacent to said vertical plate, whereby said receptacle may be swung upwardly to withdraw said bottom wall edgewise away from said plate. V

In testimony whereof I aflix my signature in the presence of two witnesses. 7

JOHN A. SVENSON. lVitnesses Anion A. Tia-ILL, G. G. TRILL.

Copies of this patent may be obtained for'five cents eaoh b y addressing the Commissioner of Patents, Washington, I). 0.

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