GB534356A - Improvements in pneumatically driven apparatus - Google Patents
Improvements in pneumatically driven apparatusInfo
- Publication number
- GB534356A GB534356A GB2173/40A GB217340A GB534356A GB 534356 A GB534356 A GB 534356A GB 2173/40 A GB2173/40 A GB 2173/40A GB 217340 A GB217340 A GB 217340A GB 534356 A GB534356 A GB 534356A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure air
- clippers
- valve
- feb
- channels
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
- B26B19/34—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive providing for fluid drive
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
534,356. Hair and like clippers. AKTIEBOLAGET SEPARATOR. Feb. 3, 1940, No. 2173. Convention date, Feb. 4, 1939. [Class 131] [Also in Group XXIII] In pressure air or vacuum driven tools, vibrators, clippers, or the like, in which an oscillating system 2 reciprocates between two outer walls 3, one or more pneumatic buffers are arranged to form a dashpot for the oscillating system. The buffers may be in the form of pistons in cylinders, but in the pressure air driven clippers. shown they comprise membranes 13 forming chambers 14 which are connected to the source of pressure air by means of channels 15, 15a. The membranes are each provided with a replaceable limiting disc 16 having a depression and a hole 17 by means of which a journal 12 on the valve spindle 4 contacts a buffer piece 18 on the cover 3. The buffer piece 18 may be made integral with the membrane, and it may be made of rubber, leather, ebonite, or the like. In one modification the channels 15, 15a, connect the chambers 14 with the opposite valve cylinders 10, 11, whilst in another a plate spring forms a back pressure valve to keep the pressure air in the chamber 14.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE534356X | 1939-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB534356A true GB534356A (en) | 1941-03-05 |
Family
ID=20311452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2173/40A Expired GB534356A (en) | 1939-02-04 | 1940-02-03 | Improvements in pneumatically driven apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB534356A (en) |
-
1940
- 1940-02-03 GB GB2173/40A patent/GB534356A/en not_active Expired
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