US122228A - Improvement in head-blocks - Google Patents
Improvement in head-blocks Download PDFInfo
- Publication number
- US122228A US122228A US122228DA US122228A US 122228 A US122228 A US 122228A US 122228D A US122228D A US 122228DA US 122228 A US122228 A US 122228A
- Authority
- US
- United States
- Prior art keywords
- head
- improvement
- blocks
- block
- racks
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/005—Cutting boards
Definitions
- the head-block itself.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Escalators And Moving Walkways (AREA)
Description
UNITED STATES PATENT OFFICE.
JoHN M. OOMINS, OF BoscAwEN, NEW HAMPSHIRE, ASSIGNOR T0 HnusELF AND AUsTLN e. KIMBALL, or SAME PLACE.
IMPROVEMENT IN HEAD-BLCCKS.
Specification forming part of Letters Patent No. 122,228, dated December 26, 1871.
, the head-block itself.
In the drawing, A is the head-block. a is the aforesaid bar, the same being provided with vertical racks b, which extend downward from the bar a near the ends thereof. 0 are metal anglebars fastened to the side of the head-block opposite the racks b, which bear against the angle-- bars. at is a horizontal shaft mounted in theprojecting parts of the angle-bars, and having pinions e situated within the plates 0, which engage with the racks b. g is a ratchet on the shaft (1 outside one of the plates 0, and with said ratchet engages a spring-pawl, h, secured to the adjacent plate a. By means of a lever applied to the shaft cl the latter may be rotated so as to raise or lower the bar a to the extent requisite to cause the latter to support the end of a crooked log which cannot be supported by the head-block.
This arrangement is used in connection with adjustable dogs j k, the construction and operation of which I am aware are not new.
I claim as my invention--- The combination of the head block A, bar a,
racks b, angle-plates a, shaft d, and pinions e, as"
specified.
Witnesses:
OHAs. O. LUND, ALSTON G. COLBY.
JoHN M. GOMINS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US122228A true US122228A (en) | 1871-12-26 |
Family
ID=2191667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US122228D Expired - Lifetime US122228A (en) | Improvement in head-blocks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US122228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060100199A1 (en) * | 2002-06-06 | 2006-05-11 | Seiji Yoshikawa | Novel condensed imidazole derivatives |
-
0
- US US122228D patent/US122228A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060100199A1 (en) * | 2002-06-06 | 2006-05-11 | Seiji Yoshikawa | Novel condensed imidazole derivatives |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US122228A (en) | Improvement in head-blocks | |
| US82718A (en) | James holmes | |
| US93517A (en) | Mary e | |
| US92388A (en) | Improvement in device for turning and loading logs | |
| US113746A (en) | Improvement in shingle-machines | |
| US122215A (en) | Improvement in head-blocks | |
| US107794A (en) | Improvement in | |
| US81929A (en) | Improvement in planes for cutting blind-slats | |
| US76408A (en) | Improved sole-outtiug machine | |
| US103608A (en) | Improved log-loader | |
| US166332A (en) | Improvement in meat-pounders | |
| US99237A (en) | Improvement in shingle-machines | |
| US83830A (en) | Improvement in head-blocks | |
| US3776A (en) | Machine for boring timber | |
| US120749A (en) | Improvement in head-blocks for saw-mills | |
| US39037A (en) | Improved planing-machine | |
| US276169A (en) | fiske | |
| US97602A (en) | Improvement in device for turning logs in saw-mills | |
| US107346A (en) | Improvement in saw-tables | |
| US81427A (en) | James d | |
| US158496A (en) | Improvement in heajj-blocks for saw-mills | |
| US102904A (en) | Elijah s | |
| US109481A (en) | Improvement in means for adjusting the grain-wheels of harvesters | |
| US113703A (en) | Improvement in sawing-machines | |
| US5537A (en) | Tail-block of sawmills |