US1563533A - Shore - Google Patents

Description

F. F. SINKS Dec. 1, 1925- SHORE Fed Oct. 20. 1924 jy?. e.

ATTORNEY Fay'. l.

Patented Dec. 1,l 1925.

PATENT `rica.

FRANK F. SIN'ZKS,- 0F SEATTLE, WASHINGTON.

SHORE.

Applicationilled `October 20, 1924. Serial No. 744,841.

To all 'whom it may concern.'

Be it known that I, FRANK F. SINxs, a citizen of the United States. residing, at Seattle. in the county of King and State of Washington, have invented certain new and useful Improvements in Shores, of which the following is a specification.

This invention relates to shores designed, more especially, for use in supporting concrete receiving moldsl or forms in theconstruction of reinforced concrete floors.

The object of the invention is the provision of a shore having extensible characteristics, which is of strong and durablel con# justable to selected lengths.l v

More specific objects and advantages of the invention wi-llappear in the following specification. f

The invention consists in the novel construction, adaptation and combination of parts, a' detailed description ofthe preferred embodiment of the same will be hereinafter given in connection with the accompanying drawing, in which,-

Figure 1 is a front elevational view showing a shore embodying my invention applied in connection with a beam portion of a concrete floor. Fig.`2 is a side elevation applied in connection with a ioor slab-portion. Fig. 3 is a detail vertical section to an enlarged scale taken substantially on line 3 3 of Y Fig. 2. Fig. 4 is a horizontal section on line 4 4 o f Fig. 3. Fig. 5 is a vertical'section on line 5--5 of Fig. 4. f

A. concrete licor construction is usually formed with beams, such as 10 in Fig. 1, and slab elements, such as 11 in Fig. 2,- from plastic concrete and suitable reinforcing devices, not shown, within suitable molds as indicated by 12 and 13. A. l

Hitherto, such molds have been supported by wooden props cut to lengths somewhat less than the height of the molds above a support as the fioor 14 nextbelow.

A- block or piece of timber. such as 15 or 16, is desirably placed upon the upper end of the prop to afford a relatively large bearing' againstthe mold and, finally, lWedge struction, .convenient to use, and readily adblocks are forced under the lower end of 5@ the prop vto elevate the latter into `to support the mold.

-My invention overcomes obections to the shoring means above referred to by providing a shoreI extensible in itself adapting it to be used time after time, and eliminating waste Aof material and lessening the expense of labor in applying.

According to thel present invention, a shore comprises two members 17 and 18, 6cpreferablyof wood, which are slidably con nected together for relative telescopic movement.

The lower member 17, or standard, conposition sists of a single piece adapted to slidably lit 6a between longitudinal parallel spaced com panion pieces`181 and 182 .of the upper memer 18, or extension, as it will be hereinafter termed.-`

The longitudinal pieces 181 and 182 are 7o held in their spaced relations by being rigidly secured adjacent their upper ends to interposed blocks 20 and 21, and adjacent their lower ends by means of plates 22 secured to the front and rear surfaces .of said pieces and by reinforcing straps 23. VProvided in said extension pieces 181 and 182 at opposite sides of the channel 19 are pairs of axially aligned sockets 24, said pairs of socketsbeing spaced apart longitudinally of the extension as, for example, five or six inches center to center. Y

Mounted upon the upper end of the standard 17 and secured thereto as by means of screws 25 is a metal cap 26 having a cen- 85 trally disposed aperture which is tapped to receive the screw threads ,of a vertically disposed jack screw 27 whose lower end is accommodated by a cavity 28 provided in the standard17. Above its screw vthreaded portion, said jack screw is provided with a wrench-engageable polygonal portion 29 and thereabo've the jack screw is provided with a cylindrical end 30 which extends into a recess provided in the under side of a metal body 31, hereinafter designated as the carrier. 32 represents a screw threaded bolt. hasing ahead positioned, as shown in Fig; 3,

therefrom axially of the jack screw to con-- in a recess 33 of the carrier and extending nect the latter to the carrier against separation.

The connection above explained of the carrier to the jack screw permits the latter to be rotated to effect the raising and the lowering of the carrier with respect to said standard.

The carrier is provided with lugs 34 arranged as best shown in Fig. 4flto serve as guides with respect to the extension side pieces 181 an-d 182, and cooperate with the plates 22, which also serve as guides, for maintaining the extension 18 in axial alignment with the standard 17.

Said carrier is provided with a transversely arranged bore 35 for the reception of complementary coupling pins 36 which are engageable in a,y selected pair of sockets 24 to unite the carrier 31 to the extension 18 for conjoint longitudinal movement with relation to the standard 17 when the jack screw is rotated; .y

The pins 36 are moved into engaging relation with the extension sockets 24 or retracted therefrom by suitable controlling means, said means as illustrated consisting of wire attachments 37 extending radially of the respective pins through slots 38 of the carrier into positions to be conveniently manipulated by the operator.

The outer end of each slot 38 terminates advantageously in a laterally disposed portion 39 (Fig. 4) into which the wires 37 are brought when it is desired to secure the pins against accidental disengagement with the extension member.

For use, ashore is first regulated to a length approximating but shorter than requisite for a ,specific application, such regulation being accomplished by the operator slidably moving the extension 18 until suitably located sockets 24 are brought into position to register with the carrier pins 36 which are thereupon protruded to engage within such soc-k'ets. This primary regulation is best eil'ected when the shore is in a substantially vertical position.

After being thus regulated the jack screw 27 is rotated by means of a suitable wrench or instrument (not shown) t-o act through the medium of the carrier to cause the extension to be elevated yinto engaging relation with the work.

In practice cleats or stays, such as indicated by dotted lines 40 and 41 in Figs. 1 and 2, are desirably nailed to a shore and also to the mold bearing timbers 15' and 16 above mentioned to obviate any accidental v dislodgment of the shore.

As changes may be made in the above described specifc embodiment, within the scope of the appended claims, without departing from the Spirit thereof, it is intended that the matter contained in the specification and drawing shall be considered as illustrative only of the preferred construction.

What I claim, is,-

1. A shore of the character described having in combination a standard, an extension having a channel therein to receive said standard for relative longitudinal move ment, a cap secured upon an end of .said standard, said cap being provided with a screw threaded aperture, a screw engaging in the threads of said cap aperture, a carrier mounted upon said screw, and means provided upon said carrier and engageable in said extension for coupling the latter with said extension.

2. A shore of the character described having in combination, a standard, a screw operatively connected'to an end thereof, an extension having a channel therein to receive the standard for relative sliding movement, said extensionbeing provided at o posite sides of its channel with lon itudinally spaced sockets, a carrier mounte upon an end of said screw, and retractile devices provided in the carrier and engageable in said sockets selectively for coupling the carrier with said extension.

3. In a shore of the character described, a standard, an extension connected to the standard for relative longitudinal movement, said extension being provided with longitudinally spaced pairs of sockets, a carrier slidably connected to said extension, means carried by said carrier for couplin 4the latter to said extension at predetermine positions longitudinally thereof, and screw devices operatively connected to the standard and to the carrier for effecting longitudinal adjustments ,to the extension with respect to the standard. t

4. A shore of the character described, comprising a standard, a cap secured thereto, said cap being lprovided with a screw threaded aperture, an extension having a channel to receive said standard for relative longitudinal movement, pairs of complemenspaced relatively ixed members, whereby a l channel is formed between the members, m which channel the standard is slidably received, the members having opposed spaced sockets, the standard having athreaded bore l 1,568,583 i B in its end received beta6-'reen the members, a. end received-between the members a screw l screw enga in the bore in the standard, engaging in the bore in the standard and a carrier revo ubly mounted on the screw, ad1ustable len hwise of the standard, 'a the carrier having a transverse bore, and a. carrier mounte on the screw, and is car- 15 pair of pin's in the bore .arranged for selecried b the carrier for projection literally` tive engagemenft in opposed sockets inthe from t e carrier, the membershaving pairs spaced members. of opposed sockets for receiving the pins.

6. In la shore, the combmation of a. pair Signed at Seattle, Washington, thls 16th `of members fixedy to 'one antther in lspaced day of September, 1924,

relation, a standard slidable between the ."members, me mnaardhaving a bore at its F. sINKs.

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