GB312569A - Improvement in spike extractor - Google Patents
Improvement in spike extractorInfo
- Publication number
- GB312569A GB312569A GB31118/28A GB3111828A GB312569A GB 312569 A GB312569 A GB 312569A GB 31118/28 A GB31118/28 A GB 31118/28A GB 3111828 A GB3111828 A GB 3111828A GB 312569 A GB312569 A GB 312569A
- Authority
- GB
- United Kingdom
- Prior art keywords
- toggles
- spike
- piston
- jaws
- slots
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
- E01B29/26—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being spikes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
312,569. Ingersoll-Rand Co. June 8, 1928, [Convention date]. Nail-extractors.-A power-operated device for extracting railway spikes has serrated feet 2 to rest against the rail and jaws U, V pivoted at W. the pivot having a roller running in a guide slot Y in the machine frame. The lever ends of the jaws carry rollers running in cam slots s formed in toggles pivoted at h to a head, on a piston rod k, also guided in the slot Y. Arms t on the toggles rest on abutment rallers w carried by the frame. The piston is controlled by a valve G of ordinary design arranged on one of the manipulating handles F. During the first part of the upward stroke the jaws close on the spike without rising. After closure the cam action of the slots in the toggles in conjunction with the abutments w causes a powenful extracting pull on the spike at a. much slower rate than that at which the piston moves. When the rollers on the jaw levers reach the end of the cam slots the lever action of the toggles ceases and the spike is completely withdrawn at the same speed as the piston.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US312569XA | 1928-06-08 | 1928-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB312569A true GB312569A (en) | 1929-05-30 |
Family
ID=21858442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31118/28A Expired GB312569A (en) | 1928-06-08 | 1928-10-26 | Improvement in spike extractor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB312569A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2198683A (en) * | 1986-12-09 | 1988-06-22 | Shinesharp Limited | Apparatus for extracting fasteners such as nails, pins, bolts and staples |
| CN112276867A (en) * | 2020-10-30 | 2021-01-29 | 山东交通学院 | Sleeper nail puller |
| CN112359656A (en) * | 2020-11-03 | 2021-02-12 | 淄博英睿达机械科技有限公司 | Swinging spike self-rotating extractor |
-
1928
- 1928-10-26 GB GB31118/28A patent/GB312569A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2198683A (en) * | 1986-12-09 | 1988-06-22 | Shinesharp Limited | Apparatus for extracting fasteners such as nails, pins, bolts and staples |
| CN112276867A (en) * | 2020-10-30 | 2021-01-29 | 山东交通学院 | Sleeper nail puller |
| CN112359656A (en) * | 2020-11-03 | 2021-02-12 | 淄博英睿达机械科技有限公司 | Swinging spike self-rotating extractor |
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