US278385A - Oesemas t - Google Patents
Oesemas t Download PDFInfo
- Publication number
- US278385A US278385A US278385DA US278385A US 278385 A US278385 A US 278385A US 278385D A US278385D A US 278385DA US 278385 A US278385 A US 278385A
- Authority
- US
- United States
- Prior art keywords
- last
- head
- screw
- levers
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 description 4
- 235000007575 Calluna vulgaris Nutrition 0.000 description 2
- 241000353097 Molva molva Species 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D5/00—Hand appliances or hand tools for making or repairing shoes, other than those covered by groups A43D15/00, A43D19/00, A43D95/00, A43D100/00, A43D117/00
Definitions
- the object of my invention is to furnish a simple, efiective, and cheap clamping device for holding the uppers of boots or shoes on the last while the soles are being sewed thereto according to the process of E. S. Pratt, patented April 6, 1880, No. 226,193.
- This I accomplish by means of inverted-L-shaped levers fulcrumed at their angles at either end of a fulcrum-bar and operated by a head moving vertically on ascrew, as will be hereinafter fully described, and as illustrated in the drawings, in which- Figure l is a-front elevation, and Fig.2 is a. side elevation, of my invention.
- a A represent the ln'verted-L-shaped clampinglevers, the lower portion, a, or the partthat grasps the last,-being flared and concave on the inner side, so as to I ling uppn suitable seats, I) b, projecting laterally in opposite directions from the head D.
- the screw 0 has projecting downward from its under surface one or two guide-pins, which entercorresponding holes in the fulcrum-bar and prevent the head from oscillating or revolving as I the screw 0 is manipulated by means of a suitablefinger-grasp, c, affixed to the top end thereof.
- the thread of the screw 0 terminates at or immediately above the upper surface of the fulcrum-bar, and that portion of the same which passes through said bar is stepped, and is of a 1 less diameter than the threaded part of the.
- the lower edges of the flared part 0f the levers A are provided with an inwardly-projecting flange or rim, a, which is adapted to so hold that part of the upper which is placed against the insole to the last that the soleedges of the same can be easily turned outward and the welt placed thereon andthe whole sewed to the lower sole, substantially as de; scribed and shown in the aforesaid patented process of E. S. Pratt.
- the invention as above described is adapted to straddle the last and clasp and hold the leather of the upper to the same in the manner shown and described, and is capable of easy adjustment to any width last by turning the screw to the right or left, according as it is desired to raise the head, thus decreasing the distance between the grasping-surfaces of the levers orlowering thehead, and thusseparate said grasping-surfaces.
- a clamping device having inverted-L- shaped clamping levers pivoted at their angles and adapted to grasp or release a last according to the vertical movement of a head provided with projecting seats upon which the ends of the upper arms of saidlevers rest, snbstantially as hereinbel'ore described.
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
(No Model.)
0. T. X. ADAMS.
BOOT 0R SHOELGLAMP. No. 278,385. Patented May 29,1883.
Jill
Mtw gg: Inventnr: r .8, @mwwgfii UNITED STATES oas E As 'r. X. ADAMS, OF CHICAGO, nmnvors, ASSIGNOR TO 'nnnnmen s.
P TENT OFFICE.
PRATT, OE SAME PLACE.
BOOT OR SHOE CLAMP.
SPECIFICATION forming part of Letters EPatent No. 278,385 dated May 29, 1883..
Application filed October 14. 1882. (No model.)
To all whom it may concern:
J Be it known that I, ORSEMAS '1. X. ADAMS, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Boot or Shoe Clamps; and I do hereby declare that the following is a full,
clear, and exact description of the invention,
x which will enable others skilled in the art to which it appertains to make and usethe same,
reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
The object of my invention is to furnish a simple, efiective, and cheap clamping device for holding the uppers of boots or shoes on the last while the soles are being sewed thereto according to the process of E. S. Pratt, patented April 6, 1880, No. 226,193. This I accomplish by means of inverted-L-shaped levers fulcrumed at their angles at either end of a fulcrum-bar and operated by a head moving vertically on ascrew, as will be hereinafter fully described, and as illustrated in the drawings, in which- Figure l is a-front elevation, and Fig.2 is a. side elevation, of my invention.
In the drawings, A A represent the ln'verted-L-shaped clampinglevers, the lower portion, a, or the partthat grasps the last,-being flared and concave on the inner side, so as to I ling uppn suitable seats, I) b, projecting laterally in opposite directions from the head D.
The head Dis tapped to receive. said screw,
and has projecting downward from its under surface one or two guide-pins, which entercorresponding holes in the fulcrum-bar and prevent the head from oscillating or revolving as I the screw 0 is manipulated by means of a suitablefinger-grasp, c, affixed to the top end thereof. The thread of the screw 0 terminates at or immediately above the upper surface of the fulcrum-bar, and that portion of the same which passes through said bar is stepped, and is of a 1 less diameter than the threaded part of the.
screw, andha-s on its lower end an enlarge- I ment to hold the same securely in position.
The lower edges of the flared part 0f the levers A are provided with an inwardly-projecting flange or rim, a, which is adapted to so hold that part of the upper which is placed against the insole to the last that the soleedges of the same can be easily turned outward and the welt placed thereon andthe whole sewed to the lower sole, substantially as de; scribed and shown in the aforesaid patented process of E. S. Pratt.
The invention as above described is adapted to straddle the last and clasp and hold the leather of the upper to the same in the manner shown and described, and is capable of easy adjustment to any width last by turning the screw to the right or left, according as it is desired to raise the head, thus decreasing the distance between the grasping-surfaces of the levers orlowering thehead, and thusseparate said grasping-surfaces.
It will be perceived that the above clamping device can be easily and speedily adjusted to the last, and that it is simpler and less complicated, therefore more efficient and less likely to need repairs, than those now in use.
What I claim as new, and desire to secure by Letters Patent, is-
1. A clamping device having inverted-L- shaped clamping levers pivoted at their angles and adapted to grasp or release a last according to the vertical movement of a head provided with projecting seats upon which the ends of the upper arms of saidlevers rest, snbstantially as hereinbel'ore described.
2. In a boot or shoe clamp, the'connbination, with the inverted-L-shaped clamping-levers AA and the fulcrum-bar B, of the head I) and screw C, as and for the purpose specified.
3. In a boot or shoe clamp, a head moving vertically on a screw, having one or two downwardly-projecting gniderods which move in suitable perforations inthe fulcrum -bar, in combination with the clamping-levers, as hereinbefore specified- In testimony thatIclaim the foregoing as my own I hereunto affix my signature in presence of two witnesses.
ORSEMAS T. X. ADAMS.
Witnesses:
JAMES H. GoYNE,
FRANK D; THOMASON.
Publications (1)
Publication Number | Publication Date |
---|---|
US278385A true US278385A (en) | 1883-05-29 |
Family
ID=2347605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US278385D Expired - Lifetime US278385A (en) | Oesemas t |
Country Status (1)
Country | Link |
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US (1) | US278385A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100024176A1 (en) * | 2005-04-11 | 2010-02-04 | Sistemas Tecnicos De Encofrados, S.A | Clamp for securing shuttering panels |
-
0
- US US278385D patent/US278385A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100024176A1 (en) * | 2005-04-11 | 2010-02-04 | Sistemas Tecnicos De Encofrados, S.A | Clamp for securing shuttering panels |
US7966703B2 (en) * | 2005-04-11 | 2011-06-28 | Sistemas Tecnicos De Encofrados, S.A. | Clamp for securing shuttering panels |
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