US877624A - Derrick. - Google Patents
Derrick. Download PDFInfo
- Publication number
- US877624A US877624A US39295707A US1907392957A US877624A US 877624 A US877624 A US 877624A US 39295707 A US39295707 A US 39295707A US 1907392957 A US1907392957 A US 1907392957A US 877624 A US877624 A US 877624A
- Authority
- US
- United States
- Prior art keywords
- derrick
- tho
- holes
- yorke
- plates
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
Description
'PATENTED JAN. 28, 1908.
P. YORKE. DERRICK.
APPLICATION FILED SEPT.16, 1901,
' tho by?!" FATE CK YORKE, OF WASHINGTON, PENNSYLVANIA.
BEE-REQK.
No. E'ZZfiQ. ijg soifieation of fattest. Patented, I? 2%]303.
. ippliuatim d fieptember 16. 1997 Serial 1%. 392.957
certain nowfand 'useiful l v v r. .Derriclrs; mm .5. do hereby declare the foldescrr lowing to be full, clear, and exact tion of my inventiomsuch as will enab 6 others skilled in the to whisk it appertains to marks and use the me.
improve- Ma 5 lasing in minor of talent i v V The motor adjusting tho-girtlis amtcos.
i will. now describe rnyinvention, referen'oe being had to the accompanying draw-- ingst in which, Y
t 1gure 1, 18 a sidetlervstion of my improved srrioli. Fig. 2-, st raisin. view'of one of the outside section pl mar ates-arms I ules the sst; I or mm, D, the girtns arm. F,
comers or tits (let the braces I As will no seen the setters! ssstions of the. derrick are clamped together by means of t shove referred rote plates for v mterrt. Instead. I drill a series of holes zri'tlia barof the iron, imlit'ztted by tits reference a,
plates ss'in my im'meripaton to, but (to not K and 2 hole in the ends of tho bra-Be whic 1% adapted to rs; with the holes :11 tho T-in W in by pm bolt through thoso I'm rigfi r cla in posi Lion. The two ends t a 33-521 oi the i' iron are rovicled wi th slo 32 of holes and smi llig. 3, is a sim lar View of one or 2.19 ins de sect-ion a 13'! this plate for the pun 5; the bar o the plate D.
This is 1 ssszty the plates engage all four sililss o; the corner or upright of the derrick. The angle-irons at the base and crown of the derrick are made in about the some manner as the T-irons, losing formed with a, slot in ono end. and the. series of holes in the opposite and. l
From actual experience with this derrick it has provan to be a much better, simpler derrick known to our business.
Having desor' ,orl my invention, min; is: l
The combinzttion with. the sorner uprights,
Wl'ist .1
PfifllUC-K YORKE.
as G. :HUGE-XES,
will soon by reference to Big. 3,
girtlls and braces, or" male and femal and chest-per alsrriok thim any other form of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39295707A US877624A (en) | 1907-09-16 | 1907-09-16 | Derrick. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39295707A US877624A (en) | 1907-09-16 | 1907-09-16 | Derrick. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US877624A true US877624A (en) | 1908-01-28 |
Family
ID=2946068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US39295707A Expired - Lifetime US877624A (en) | 1907-09-16 | 1907-09-16 | Derrick. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US877624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE919880C (en) * | 1936-03-27 | 1954-11-04 | Dour Iron Foundry | Manhole cover with a frame composed of individual parts |
| US4815249A (en) * | 1983-11-05 | 1989-03-28 | Ibex Scaffolding Limited | Scaffolding and braces for use in scaffolding |
-
1907
- 1907-09-16 US US39295707A patent/US877624A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE919880C (en) * | 1936-03-27 | 1954-11-04 | Dour Iron Foundry | Manhole cover with a frame composed of individual parts |
| US4815249A (en) * | 1983-11-05 | 1989-03-28 | Ibex Scaffolding Limited | Scaffolding and braces for use in scaffolding |
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