US129559A - Improvement in school-desks - Google Patents
Improvement in school-desks Download PDFInfo
- Publication number
- US129559A US129559A US129559DA US129559A US 129559 A US129559 A US 129559A US 129559D A US129559D A US 129559DA US 129559 A US129559 A US 129559A
- Authority
- US
- United States
- Prior art keywords
- desks
- school
- improvement
- iron
- desk
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 10
- 239000002023 wood Substances 0.000 description 8
- 238000005192 partition Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/02—Boxes
- B25H3/021—Boxes comprising a number of connected storage elements
- B25H3/023—Boxes comprising a number of connected storage elements movable relative to one another for access to their interiors
- B25H3/028—Boxes comprising a number of connected storage elements movable relative to one another for access to their interiors by sliding extraction from within a common frame
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Description
B. N. HEMENWAY.
Improvement inV School-Desks.
No. 129,559. A Patentdluly Y16, 1872.
UNITED STATES PATENT OEEICE.
BICKFOD N. HEMENWAY, OF ROCKLAND, MAINE, ASSIGNOR OF ONE-HALF OF HIS RIGHT TO WARREN O. PERRIGO, OF SAME PLACE.
IMPROVEMENT IN SCHC OLDESKS.
Specification forming part of Letters Patent No. 129,559, dated July 16, 1872.
Specification describing certain Improvements in School-Desks and like articles of furniture, invented by BIGKFORD N. HEMEN- WAY, of Rockland, Knox count-y, State of Maine.
The purpose of this invention is to supply a Want long felt in schools, oiiices, and countingrooms, as Well as by individuals who use the desk or table for writing purposes. It relates to the lowering or raising of any desk or table, so as to adjust it to any desired height, by means of the followingdescribed machinery, to wit:
Figure l is the front elevation of the desk `or.table to which the invention is to be applied. Fig. 2 is the end elevation. Figs. 3 and 4 are the two screw-bolts with nuts.
A, in Figs. 1 and 2, is the top of the desk or table. B, in the same gures, is back. O is the partition. D is the shelf. E E are the iron supporters. F F are the wooden ends of the desk. G and H, in Figs. 3 and 4, are the bolts that connect the parts passing through and uniting the iron supporters E E and Wood ends F F, as seen in Figs. 1 and 2. I and J are the grooves or slots in iron part of end, in
which the Wood end is moved up and down and held at any point by the bolts above nientioned, connecting iron and Wood ends. .The groove J has expansions on each side to receive the dovetailed head of bolt G. In Fig.
3 bolt Gr has a dovetailed head for the purpose of tightening and holding firmly thewood end at any point desired. In Fig. 4, the bolt H -has a dat or oval head, used for tightening and making more rm the connection of iron and Wooden parts of the end.
The ends and supporters or standards may be made of Wood, iron, or other suitable maslots I J, and screw-bolts CTa H, substantially as described.
BICKFORD N. HEMENWAY.
Witnesses:
JOHN GARR, PATRICK MGNAMARA.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US129559A true US129559A (en) | 1872-07-16 |
Family
ID=2198977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US129559D Expired - Lifetime US129559A (en) | Improvement in school-desks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US129559A (en) |
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0
- US US129559D patent/US129559A/en not_active Expired - Lifetime
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