US1438962A - Boot or shoe tree - Google Patents

Description

De c. 19, 1922. 1,438,962.

F. J. MAcDONALD.

BOOT 0R SHOE TR'EE.

FILED JUNE 28,1921.

In men [0r Fran/f J Ma 000126226X.

l liq.

l atented Dec. l9, i922.

a snare FRANK .l'. naenonar n, onnnaon, onto, rissieivon T0 ran 12. r. eoonnien COMPANY,

OF NEVJ YORK, N. Y., A COEPQBATION OF NEW YORK.

BOOT OR SHOE TREE.

Application filed June 28,

Be it knownthatl LFRANK J. MACDONALD, a citizen of the United States, residing at Akron, in the county of Sitlmmit and State ot'Ohio, have invented a certain new and useful Boot 01' Shoe Tree, of which the fol lowing is a specification.

This invention relates to means for supporting a last in selective positions to ta cilitate the building or treatment of a boot or shoe thereon, and is particularly applh cable to the building up of rubber tootwear.

Its objects are to provide improved, simple means for the purpose stated, to providea wide range of selective positions for the last and to provide means for preventing parts of the stock from wrinkling or sticking together before being placed in position in the boot or shoe, and for progres ively applying stock to the last;

Of the accompanying drawings: Fig. 1 is a side elevation of apreferred To all whom it may concern:

embodiment of my device.

Fig. 2 is an end. elevation of thesame with the last-supporting member in a different condition of adjustment. it i Fig. 3 is .a side elevationot the same showing another adjustment and with a last in place anda shoe inprocess of construction thereon. 1

Fig. i is side elevation showing another adjustment, with the work in place.

Referring to the drawings, 10 is a table upon which are mounted a pair of brackets 11, 11 constituting a mounting for the parts hereinafter described. Between said br ack ets is pivoted an arm 12 adapted tobe moved in a vertical plane from a substantially vertical position, as shown in Figs. 1, 2 and 4: to a substantially horizontal position, as shown in Fig. 3. Its hub is provided with friction washers 13, 18 adapted tobe drawn against said hub by a thumb-nut let to brake the movement oi? said arm. The latter is also formed with a toe 1'5 and anabutment face 16 adapted to abut the table 10 to limit the movement of said arm toward the,

vertical and horizontal positions respectively. i

Upon the outer end ot'the arm 12 is pivoted, for relative movement of approximately in the same vertical plane as said arm, a'bracket or arm 17 formed with a bearing 1'?" transverse to the pivotal axes of 1921; serial No. 420,957.

18. 18 adapted to be drawn against said huh by a thumb-nut 19 to brake the movement of said bracket said tl'iumh-nut acting through a clamping plate 20 held against rotation by dowel pins 21. 21 between said plate and said arm. a

A face 22 ot the bracket 17 is adapted to abut the arm 12 to limit the movement of said bracket in one direction and said bracket is provided witha stud 28 adapted to abut the arm 12 to limit the brackets movement in the opposite direction.

A plate 2a provided with a perpencicular stem 25. is mounted in the bearing 1'? and is a friction washer between the plate 24; and the bearing 17 adapted to brake the turning of said plate. 2'? is an anti-friction thrust bearing interposed between the other end of the bearing 17 and the stem 25 to prevent the loosening of the nuts on said stem and to avoid any braking: eitect other than that or the friction washer 26. 28, 28 are posts mounted perpendicularly upon the plate 24 and adapted to fit into holes in the base or leg of a last 29 to hold the latter in invertedposition upon said plate.

The outer end of theplate 24 is formed with an open slot M -parallel with itsface in which are pivoted the inner endso f a pair of stock-anchoring fingers 30, 30 adapted for movement from and toward each other in the plane of said plate. the pivotal axes 30. 30 of said lingers being substantially oppo; site the outline of the heel of the last. The outer ends of said fingers are bent upward toward the last and covered with rubberized fabric 30 30 beingthus adapted to receive and adhesively secure the ends of a termed sheet of rubber shoestock 31 partially applied to the last, to hold the same temporarily out of contact with each other and the last and to prevent them from becoming wrinkled or deformed while the rest at the stock is being placed and rolled, and finally, if desired, to carry said ends SHCCQF- sively around the heel oi. the lastto apply the stock thereto progressively. 32, 32 are stop pins mounted upon the plate 24 and adapted to be contacted by the fingers 30 to limit their movement away from each other.

the elastic stock- 31 will be slightly-oft-cengiven numerousworking positions, with a "tus-in the position shown in Fig. 1, for

a moment about} said axis.

sufiicient frictional resistance against movement therefrom as to positions in Vwh ch the-lighter operations in building rubber footwear are performed and positive resistance against the heavier forces appl ed in the building operation. I

It will be observed that with the apparaexample, downward pressure upon the stock around the edge of the sole exerts a force which is resisted by the abutment of the face 22 otthe member 17 against the member 12, and as such force is substantially toward the pivotal axis of the member 12 it does not represent a substantial turning In Fig. 4 there is positive resistance against the force of the stock as it'is stretched down overthe last and attached to the fingers 30. As illustrating the manypositioning possibilities of this device, it will be observed that the last may be turned sole upward, about the y axis of the bracket 17,'at the low elevation represented by Fig. 3, or it may be turned sole upward at the higher elevation repre sented by Figs. 1, 2 and 4 and the last may be turned through a complete revolution aboutthestem 25. p

The details of construction may be varied without departing from the scope of my in vention, and I do not wholly limit my claims to the specific construction shown.

I claim: i

1. A boot or shoe tree comprising a mounting, a swinging arm hinged thereon and having a positively limited swinging range 'froma substantially horizontal to a substantially upright position,v a second swinging arm hinged on the outer end of the first said arm, in outward extension thereof and on'an axis substantially parallel with;

the hinge axis of the first said arm, said second arm having a positively limited swinging range of approximately ninety degrees, and a last-supporting member adapts ed to hold a last in fixed relation thereto and pivotally mounted on said second arm in outward extension thereof and on an axis transverse to that of the latter, and-fixed withrelation to said second arm.

2. A boot or shoe tree comprising a mounting, a swinging arm hinged thereon and having a positively limited swinging range from a substantially horizontal to a substantially upright position, a second, relatively short swinging arm hinged thereon on an axis substantially parallel with thehinge axis of said first'arm, and a lastsupporting member adapted to hold a last in fixed relation thereto and pivoted on said second arm, on an axis fixer wvitli relation to said second arm, the second arm having a positively limited swinging range such that said last-supporting member and a last thereon may be swung over-centerwith relation to gravity and to the hinge of said second arm when said first arm is in either its horizontal or its upright position, v

If A boot or shoe tree comprsing a mounting, a series of swinging arms hinged to each other and the first hinged to said mounting, on parallel hinge axes, and a last support pivoted on the outermost one of said arms on an axis transverse to said hinge axes, each of said arms having a positively limited swinging range about its hinge, said arms being so proportioned and their swinging ranges being such that they may be turned to positions in which they will be positively stopped against a force applied to said last support toward said mounting, and to positions in which they will be positively stoppedagainst a force applied to said last support in a direction transverse to said axes and at right-angles to the combined lengthof sa d arms.

4. A boot on shoe tree comprising a mounting, a swinging arm hinged thereon the second arm, and when the second arm is at the other. limit of its swinging range such a line will its hinge axis. v

5. A boot on shoe tree comprising a mounting, a swinging arm hinged thereon and having a positively limited swinging range from a substantially horizontal to a substantially upright position, a second swinging arm hinged on the outer end of the first arm on an axis parallel withthe hinge axis of the latter, and a last support adapted to hold a last in fixed relation thereto and pivoted on said second arm,- on an axis fixed pass on the other side of with. relation to said second arm, the relation of said parts being such that with said first arm at either limit of its range a last mounted on said support may be revolved on the pivot of the latter with its sole substantially in either a vertical or a horizontal plane.

6. A boot or shoe tree comprising a lastsupporting member and a stock-anchoring member 3ivoted thereon on afixed axis transverse to the sole of the last, said stockauthoring member being adapted to have attached thereto a piece of stock partly applied to the Work and to be turned on its pivot, without movement of the latter, to :npply said stock progressively to the last.

7. A hoot or shoe tree comprising a lastsupporting member and a stock-anchoring member pivoted thereon on a fixed axis transverse to and adjacent the outline of &

the sole of the lost said member having a positively limited, pivotal range and being zulepteth at the limit 01' its range, to hold off-center piece of stool: partly applied to the last, and to be turned past-center from said position to apply said stock progressively to the last.

8. A boot or shoe tree comprising a lastsupporting member and a pair of pivoted stock-anchoring members adapted to anchor the ends of the stock at a distance behind the heel portion of the last and separately to be turned about said heel portion progressively to apply the stock thereto.

In Witness whereof I have hereunto set my hand this 22 day of June, 1921.

- FRANK J. MACDONALD.

Images