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Publication numberUS1573263 A
Publication typeGrant
Publication dateFeb 16, 1926
Filing dateMay 11, 1925
Priority dateMay 11, 1925
Publication numberUS 1573263 A, US 1573263A, US-A-1573263, US1573263 A, US1573263A
InventorsJeremiah Madden
Original AssigneeJeremiah Madden
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Lifting tongs
US 1573263 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

Feb. 16 1926.

J. MADDEN L'IFTING Tones Filed May 11, 1925 w ATTORNEY.

reamed Feb. 16, 1926.

UNITED STATES JEREMIAH MADDEN, OF KANSAS CITY, MISSOURI.

rrrrme TONGS.

Application filed Kay 11, 1925. Serial No. 29,354.

To all whom it may concern:

Be it known that I, J EREMIAII MADDEN, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented a certam new and useful Improvement in Lifting Tongs, of which the following is a spec fication.

My invention relates to improvements in lifting tongs.

One of the objects of my invention is to provide novel lifting tongs adapted for l fting and laying and properly posltiomng building blocks on a wall.

A'further object of my invention, is to provide novel lifting tongs which are simple, cheap, strong, durable and not llable to get out of order and which will enable the operator to la the blocks so as to turn a corner, and w ich willimpart a finish to the mortar joints at both sides of the wall.

Still another object of my invention is the provision of novel means for swlngmg the tongs so as to easily release the blocks from the latter after the blocks have been laid.

The novel features of my invention are hereinafter fully described and claimed.

In the accompanying drawing, which illustrates the preferred embodiment of my invention,

Fig. 1 is a perspective view of my improved lifting tongs.

Fi 2 is a side elevation of the same showing the tongs applied to blocks in the wall.

Fig. 3 is a cross section on the line 3-3 of Flg. 2.

Similar reference characters designate similar parts in the different views.

1 and 2 designate respectively two crossed bars of a pair of tongs pivoted to each other by a bolt 3 and connected with each other at their upper ends by suitable flexible lifting means, which may consist of two links 4: connected with a link 5 and respectively pivotally connected with the bars 1 and 2.

The lifting bars 1 and 2 have respectively rigidly transversely fastened to them two clamping members 6, which are parallel with each other, and each of which is provided on its inner side with. a longitudinal rib 7, preferably spaced from the lower edge ,of the member of which it forms a part, and preferably terminating at its ends flush with the ends of the body of said member.

For swinging the bars 1 and 2 so as to move the clamping members 6 away from each other, to release them from the blocks which they have lifted and laid, a lever 8 is pivoted to the bar 1 below the bolt 3, and a link 9 is pivoted to the other bar 2 and to the lever 8;

Any suitable overhead lifting means, not shown, may be attached to the link 5 for lifting the tongs and carrying them to and from the wall that is being laid.

In the operation of the invention a row of blocks 10 are laid upon the ribs 7 with the inner sides of the clamping members 6 against the sides of the blocks. Thetongs and with them the blocks 10 are then lifted through the intermediacy of the link 5, and the tongs with the lifted blocks are carried to a position over the blocks 11 and in alinement therewith, said blocks 11 being the blocks which have already been laid in the wall. The tongs are then lowered to the position shown in Figs. 2 and 3, in which the blocks 10 will rest upon mortar 12, or cement as the case may be, which has been placed upon the upper tier of the blocks 11, and with the inner sides of the members 6 disposed respectively upon the inner and outer sides of the blocks 11, and with the ribs 7 resting upon the upper sides of said tier of blocks. The weight of the blocks 10 will force the mortar or cement 12 against the inner edges of the ribs 7, thereby giving a finish to the outer edges of the layer of mortar or cement 12, while the engagement of the members 6 with the blocks 11 will properly aline the blocks 10 with the blocks in the wall.

To release the tongs from the wall, the lever 8 is swung downwardly thereby, in connection with the link 9 swinging the lifting bars 1 and 2 so as to move the clampin members 6 outwardly from each other, an thereby withdrawing the ribs 7 from between the blocks 10 and 11. The tongs may then be lifted and swung back to the place of loading.

Two pairs of downwardly and outwardly inclined brace bars 13 may be respectively attached to the bars 1 and 2 and also respectively attached to the outer sides of the clamping members 6.

I do not limit my invention to the structure shown and described, as many modifications, within the scope of the appended claims may be made Without departing from the spirit of my invention.

What I claim is:

1. Lifting tongs comprising two crossed bars pivoted to each other, and two parallel cla1n ing members fastened respectively transversely to said bars and provided each on its inner side with a longitudinal rib spaced from the lower edge of the member.

2. Lil'tin; tongs comprising two crossed bars pivoted to each other. two parallel clamping members fastened respectively transversely to said bars and provided each on its inner side with a longitudinal rib spaced from the lower edge of the member,

and means connecting said bars for swinging the latter to move said members away from each other.

3. Lifting tongs comprising two crossed bars pivoted to each other, two parallel clan'iping members fastened respectively transversely to said bars and provided each on its inner side with a longitudinalrib spaced from the lower edge of the member, a lever pivoted to one of said bars, and a link pivoted to the other bar and to said lever. 30

In testimony whereof I have signed my name to this specification.

JEREMIAH MADDEN.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2515666 *Aug 17, 1945Jul 18, 1950Alba H RiceDevice for lifting bricks and the like
US2639608 *Jun 17, 1948May 26, 1953 Brick and tile laying machine
US2648218 *Aug 1, 1950Aug 11, 1953David JosephBuilding block laying device
US2648974 *May 24, 1949Aug 18, 1953Sommers Paul HMeans to facilitate the laying of masonry units
US2652714 *Jul 9, 1949Sep 22, 1953Sommers Paul HMeans to facilitate the laying of masonry units
US2652715 *Nov 17, 1949Sep 22, 1953Looze Louis FConcrete block handling tool
US2657571 *Oct 23, 1950Nov 3, 1953Looze Louis FConcrete block handling tool
US2663182 *Jan 31, 1950Dec 22, 1953Sommers Paul HMeans to facilitate the laying of masonry units
US2694595 *Sep 15, 1950Nov 16, 1954Garris James TBlock laying tool
US2758869 *Oct 19, 1953Aug 14, 1956Stackbin CorpLifting device for storage bin
US2828618 *Dec 30, 1953Apr 1, 1958Doescher George CMasonry block laying tool
US2860000 *Apr 8, 1955Nov 11, 1958Marcheski Ruth ECarton lifter
US3937511 *Aug 15, 1974Feb 10, 1976Inzerill Andrew JMortar tool
US4320985 *Dec 11, 1979Mar 23, 1982Optimas Bauelemente Und Baugerate GmbhApparatus for multiple setting of concrete paving blocks
US4969789 *Dec 16, 1988Nov 13, 1990Searle Gregory PMachine for handling modular building components
US6370837Aug 4, 1999Apr 16, 2002Anthony B. McmahonSystem for laying masonry blocks
US7207612 *Mar 23, 2005Apr 24, 2007Terry RaneySuspended lifting apparatus
US8978343 *Jul 18, 2014Mar 17, 2015Frederick J SandorMethod and system for transporting a cast panel
US20060214444 *Mar 23, 2005Sep 28, 2006Terry RaneySuspended lifting apparatus
Classifications
U.S. Classification52/749.13, 294/117, 294/63.1
International ClassificationE04G21/22
Cooperative ClassificationE04G21/22
European ClassificationE04G21/22