US2191079A

US2191079A - Shoe jack

Info

Publication number: US2191079A
Application number: US281573A
Authority: US
Inventors: Chapelle Euclid I La
Original assignee: Individual
Current assignee: Individual
Priority date: 1939-06-28
Filing date: 1939-06-28
Publication date: 1940-02-20
Anticipated expiration: 1957-02-20

Description

Feb. 20, 1940. LA CHAPELLE 2,191,079

SHOE JACK Filed June 28, 1939' 2 Sheets-Sheet 1 626 *5 25 T: Min:

I. I I0 7 liq III |||I 4 H J H! H! mm HI I I! llll Feb. '20, 1940.

E. 1. LA CHAPE LLE SHOE JACK 2 Sheets-$heet 2 Filed June 28, 1939 fnvnior.

Patented Feb. 20, 1940 SHOE JACK Euclid I. La. Chapelle, Brockton, Mass. Application June 28, 1939, SerialNo. 281,573 3 Claims. (01. 12 12'1),

Myinvention relates to shoe jacksand more particularly to the type adapted to support a shoe, while on its last, by a toe-rest member, adapted to engage and support the forepart of the shoe and by a movable last-pin member, adapted to support the heelpart of the shoe and which is provided with a strong spring urging the last-pin member and the shoe downwardly and towards the toe-rest member to thereby ,firmly hold the shoe on the jack.

To accommodate shoes of various sizes, a shoe jack of this type is provided with a toe-rest member movable towards and from the last-pin memberland having adjusting means whereby it may be held in set position relatively to the last pin member. Thus several preparatory adjustments are necessaryjin jacking any ordinary case of shoes in the general run of a shoe factory.

With this type of jack, once the shoe has been placed on the last-pin member, the forepart of theshoe then is set upon the toe-restmember and in thus setting the forepart of the shoe, the toe-end of the shoe must be engaged and. lifted up by the operators left hand so as to move the 25 movable last-pin member away from thetoe-rest member against the tension of the aforesaid becomes enormous and, notably so, when it is considered that all of this laborious work is being performed. by the operators left hand.

35 It is the main objective of my invention to provide a shoe jack of this general character, but so built and arranged that shoes of various sizes may be readily accommodated without need of any adjusting means and so built and ar- 40tranged that shoes may be set on and removed from the jack more rapidly andwith far less effort than heretofore possible and, even sowhen the tension of the aforesaid strong spring urging the'last-pin towards the toe-rest member is 45,:much, stronger than the usual tension ofthe spring on the ordinary jack.

As shown in the drawings: Figure 1 is a side elevation of my improved shoe jack; m; Figure 2 is a rear elevation of the said shoe jack;

Figure 3 is a detail view of my novel shoeforepart supporting member;

55 shoe forepart supporting member;

Figure 5 is a plan view of the rocking frame, I

showing the slideways for the sliding block supporting the last-pin member and also shows the rocking frame moving member;

Figure '6 is a sectional detail view taken on 6;. line 6--6 of Fig. 1;

Figure! is a detailsectional view taken on line 1-4 Fig. 1; l

Figure 8 is a detail view ofthe two brackets supporting the adjustable sliding support for the 1 if shoe forepart supporting member; and a head may be rotated for adjusting the jackto any desired height preparatory to clamping the head supporting portion of the column in fixed position.

l i As further shown in the drawings: i

My novel shoe jack comprises a'floor base column I, which supportsthe adjustable portion 2 of the column. The said floor base column having at its lowerend, the external screwthread 3 which is threaded into the internal upper end of the floor base column I and is locked in set position when the desired height of the head of the jack has been determined by the locking means 4 having the convenient handle 5. The upper adiustablecolumn 2 is provided'with the slots 6 and the clamping collar 1 which is clamped by the screw 8 and held in clamped condition by the lock 9. The said screw 8, being conveniently operated by the handle I 0.

The head supporting member I I has adownwardly projecting portion I2 which rotatably fits IS on which the rocking frame 20 is oscillatingly supported. Slideways 2|, are provided upon the said rocking frame and extend rearwardly from the pivot [9. The said rocking frame 20 has a. forwardly extended arm 22 which carriesthe pin 23 to which'the upper end of a strongspring24 is secured, its lower end being securedto the pin 25 which is provided in the lug 26 which extends upwardly from the head supporting member II. The

brackets

21 and 28 are secured. to the bracket arms l5 and IS; the said bracket 2'! extending OFFICE 7 required.

The said holding block also has the hole 32:

through its entire length and it receives the rod 33 which may be held in adjusted position by the; set-nuts 34. The shoe forepart supporting mem ber 35 is secured to the upper end of the said adjustable rod 33. Mounted forrfree movement.

towards and from the shoe forepart supporting member 35 in the slideways 2| of the"'rocking framezn is the slidingblock'36 which'carries-the last pin' memberlor, in'ii'a broader sense, the shoe he'elpart supportingimember '31.

Towards the rear end. of "the slideways 2i I have provided a 'novel moving :meansadapted; to oscillate the rocking frame 20- andwhichHconsists-of anupright post" 33 which carries the forearm engaging member 38 whereby the rocka ingiframe may beoperated to rock upon the pivot l Q againstthe tension-of the-strong spring 24'.

under the influence :of the pressure applied thereto by the operator-preparatory to the setting of the shoe' on and to the removal of the shoefrorn the-jack. The length of the rocking frame from 'the pivot I9,:extending*rearwardly,is such that the frame may be easily rocked against the ten sion of the strong I spring 24 by the comparatively. small degree of pressure being applied by the operator upon the forearm" engaging 'member 39. Af-tez th'e'shoe has been placed upon the last pin member 31 and moved; with the saidmember,

towards the shoe forepart supporting member 35 toaccommodate-thesize of the shoe relatively to the shoe forepar-t supporting member 35, the rocking frame =20, is then rocked and in thus being rocked, the last-pin member 3'! is moved away from" the shoe forepart supporting member 35 and in providing manuallytoperatedmoving means,

the forepart of-the shoe is elevated above the shoe" forepart supporting member so that the *forepart 'of'the shoe then maybe easily set on or,

removed from the jack. .In this connection, it is to-be'noted that in setting the shoe on and in removing the shoe from the-toe-rest of the ordinary shoe'jaclgthere is more or'less frictional contactof-the shoe with the toe-rest and thus liability ,of damage to'a shoe having a delicate upper exists due tothe-ifact that: the operatorshand is unsteady in lifting run-the toe-end of the-shoe against the strong 1 spring -,--tension upon the lastpin member; Thisobjectionable condition also is {eliminated byithe use -of my improved. shoe jacks p t It is: to be-further noted that the-operators hands: are free to set the-shoe on or toremove the shoefrom the jack: and of all the laborious work now-involved in'the performance of these steps in the-use'of the ordinary shoe jack. Moreover,

and notably 'a forearm "engagingm'ember, such as herein shown, the operator then"maylstand on both feet at all times, which would be impossible were a foot 'treadle provided as a moving means.

My invention is not to be limited to the herein shown construction which maybe varied within the scope of the'appended claims, which are to be interpreted broadly and limited only by the requirements of the prior art. I

Each claim is to be interpreted as specifically stated therein.

Having thus explained the nature of my invention ands'hown the best form of embodiment now to me known, what I claim as new and desire to secure by Letters Patent of the United States is:

'11 A shoe jack, having, a shoe forepart supporting: member, a rocking frame; slideways in the said rocking frame; a sliding block in the said slideways; a shoe heelpart supporting member ,mounted on the said sliding block; a spring conportingmember, and a forearm engaging mem-v benwhereby the said rocking frame andthe said; shoe heelpart supporting member may be rocked.

against the tension of. the said spring in; a .di.--,

rection away fromwtheusaid shoe forepart supporting member, for. the purposes described.

. shoe jack, having a shoe forepart sup- .4, porting member and a shoe'heelpart supporting,

member, one of the said-shoe supporting members being arranged for movements in a direction towards and in .a direction away from the remainder of the said shoe supporting members;-an rocking, frame; slideways in the said rocking,

frame; a slidingblock inlthesaid slideways and thesaidone of. the shoe supportingimembers.ar-u ranged ,formovementbeing mounted on the said" shdingblock; a spring connected .to-and urging the said rocking frame and the saidone of-the shoe supporting members arranged for move-, ment, in a direction towards the remainder of; the sa d shoe supporting members,and a forearm J.

member, one of the said shoe supporting members a being arranged for movements in a direction to-- wards and in a directionawayfrom the re-,-

mainder of the said shoe supporting members; a

rocking frame and the said one of the shoe sup; porting -members arranged-for movement, being mounted onthe said rocking frame; a-spring cone nected to andurging the said rocking frame and.

the said one of the shoe supporting'members arranged for "movement, in a direction towards.

the remainder of the said shoe supporting mem bers; and a forearm engaging member, whereby thesaid rockingframeand the said one :ofi'the' 1 shoe supporting members arranged for movement," may bemoved against the tension of "the said' spring and in a direction away from the re-. mainder of the said shoe supporting members, for the purposes 'describedi EUCLID I. LA CHAPELLEz.

row