GB1224822A - Improvements in or relating to portable chain saws - Google Patents
Improvements in or relating to portable chain sawsInfo
- Publication number
- GB1224822A GB1224822A GB1257669A GB1257669A GB1224822A GB 1224822 A GB1224822 A GB 1224822A GB 1257669 A GB1257669 A GB 1257669A GB 1257669 A GB1257669 A GB 1257669A GB 1224822 A GB1224822 A GB 1224822A
- Authority
- GB
- United Kingdom
- Prior art keywords
- unit
- handle
- saw
- saw body
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/0033—Devices for attenuation of vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
1,224,822. Chain saws. DANARM Ltd. 16 Jan., 1970 [10 March, 1969], No. 12576/69. Heading B5L. A portable chain saw has a handle assembly, Fig. 2, comprising a rear handle unit 11 resiliently connected to the rear end of the saw body 10 by means of a coil spring 24, a forward handle 12 connected to the forward part of the body 10 by means of coil springs 17, and a rigid member 13 interconnecting the unit 11 and handle 12 to form a substantially rigid structure. Means are also provided which serve to limit the extent of floating movement of the handle assembly relative to the body 10 and which normally perform no handle supporting function but serve to prevent disconnection of the unit 11 from the saw body 10 in the event of failure or collapse of the coil spring 24. As described, the spring 24 is received in a pocket 19, Fig. 4, of the unit 11, and is attached to the unit 11 and to a lug 20 on the saw body. The lug 20 carries a dowel pin 21 the ends of which are received within enlarged apertures in the walls of the pocket 19, so that relative movement of the pocket 19 and saw body is limited by engagement of the pin 21 with grommets 23 forming the aperture walls. The handle 12 is L-shaped and the unit 11 may include a throttle control connected to the body 10 by a flexible cable. (For Figures see next page)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1257669A GB1224822A (en) | 1969-03-10 | 1969-03-10 | Improvements in or relating to portable chain saws |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1257669A GB1224822A (en) | 1969-03-10 | 1969-03-10 | Improvements in or relating to portable chain saws |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1224822A true GB1224822A (en) | 1971-03-10 |
Family
ID=10007193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1257669A Expired GB1224822A (en) | 1969-03-10 | 1969-03-10 | Improvements in or relating to portable chain saws |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1224822A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2751908A1 (en) * | 1996-08-01 | 1998-02-06 | Stihl Andreas | HAND-HELD PORTABLE MACHINE COMPRISING A REAR HANDLE |
FR2872445A1 (en) * | 2004-07-01 | 2006-01-06 | Stihl Ag & Co Kg Andreas | MANUALLY GUIDED WORK APPARATUS |
EP2858777A4 (en) * | 2012-06-12 | 2016-06-22 | Husqvarna Ab | Electric cutting system |
-
1969
- 1969-03-10 GB GB1257669A patent/GB1224822A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2751908A1 (en) * | 1996-08-01 | 1998-02-06 | Stihl Andreas | HAND-HELD PORTABLE MACHINE COMPRISING A REAR HANDLE |
US6016604A (en) * | 1996-08-01 | 2000-01-25 | Andreas Stihl Ag & Co. | Portable, hand-guided working tool with a rear grip |
FR2872445A1 (en) * | 2004-07-01 | 2006-01-06 | Stihl Ag & Co Kg Andreas | MANUALLY GUIDED WORK APPARATUS |
US7412959B2 (en) | 2004-07-01 | 2008-08-19 | Andreas Stihl Ag & Co. Kg | Manually guided implement |
DE102004031866B4 (en) * | 2004-07-01 | 2015-09-10 | Andreas Stihl Ag & Co. Kg | Hand-held implement |
EP2858777A4 (en) * | 2012-06-12 | 2016-06-22 | Husqvarna Ab | Electric cutting system |
US9656336B2 (en) | 2012-06-12 | 2017-05-23 | Husqvarna Ab | Electric cutting system |
US10486250B2 (en) | 2012-06-12 | 2019-11-26 | Husqvarna Ab | Electric cutting system |
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