GB1429631A - Bistable operating devices pneumatic tyre and wheel rim assemblies - Google Patents
Bistable operating devices pneumatic tyre and wheel rim assembliesInfo
- Publication number
- GB1429631A GB1429631A GB370372A GB370372A GB1429631A GB 1429631 A GB1429631 A GB 1429631A GB 370372 A GB370372 A GB 370372A GB 370372 A GB370372 A GB 370372A GB 1429631 A GB1429631 A GB 1429631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- conveyer
- abutment
- leaf
- bowed
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/76—Fixed or adjustable ploughs or transverse scrapers
- B65G47/766—Adjustable ploughs or transverse scrapers
-
- 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
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/14—Mechanisms with only two stable positions, e.g. acting at definite angular positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Conveyors (AREA)
Abstract
1429631 Ejecting articles from a conveyer belt TELOMEX GROUP Ltd 17 April 1973 [26 Jan 1972] 3703/72 Heading B8A [Also in Division F2] A bi-stable blade spring toggle mechanism for automatically ejecting reject articles from an endless band conveyer 10 comprises a bowed leaf-spring 1 seated between a fixed abutment 2 and a movable abutment 3 and held in axial compression, in one or other of two extreme bowed positions A, B, by a spring 4 seated on a fixed stop 9 and acting on the movable abutment 3, the abutment 3 being secured to a rod 5 which passes through the spring 4 and stop 9 and is secured to the core 6 of a solenoid 7 such that the core 6 is engageable with the stop 9 to limit inward movement of the spring-loaded abutment 3 to define the two extreme bowed positions A, B. In operation, with the leafspring 1 in the normal inoperative bowed position B, i.e. clear of the conveyer band 10, a weighing device (not shown) senses a reject article on the belt and provides a signal to momentarily energize the solenoid 7 to outwardly move the abutment 3 against spring 4 whereby the leaf spring is moved to its straight, i.e. dead centre position such that due to its own inertia it continues over-centre and is spring-urged to its position A over the conveyer 10 to guide the reject article off the conveyer 10. The bowed leaf-spring 1 will then remain in this position until a further signal again momentarily energizes the solenoid to initiate the return of the leaf-spring 1 to its former position. A position detecting device (not shown) such as an electrical contact or photo-cell may be provided to detect the position of the leaf-spring 1 and ensure correct correlation with the signals initiating rejection or acceptance of articles on the band 10, or the system may be arranged to return the leafspring 1 into the inoperative position B remote from the conveyer band 10 immediately after each rejection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB370372A GB1429631A (en) | 1972-01-26 | 1972-01-26 | Bistable operating devices pneumatic tyre and wheel rim assemblies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB370372A GB1429631A (en) | 1972-01-26 | 1972-01-26 | Bistable operating devices pneumatic tyre and wheel rim assemblies |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1429631A true GB1429631A (en) | 1976-03-24 |
Family
ID=9763360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB370372A Expired GB1429631A (en) | 1972-01-26 | 1972-01-26 | Bistable operating devices pneumatic tyre and wheel rim assemblies |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1429631A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0383294A3 (en) * | 1989-02-14 | 1991-11-13 | Polska Akademia Nauk Instytut Podstawowych Problemow Techniki | Spring with two states of stable equilibrium |
WO2019121334A1 (en) | 2017-12-22 | 2019-06-27 | Aifc-U Unternehmensförderung | Bistable luminaire |
US11323820B2 (en) | 2017-04-12 | 2022-05-03 | Aifc-U Unternehmensförderung | Loudspeaker with a rollable membrane |
-
1972
- 1972-01-26 GB GB370372A patent/GB1429631A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0383294A3 (en) * | 1989-02-14 | 1991-11-13 | Polska Akademia Nauk Instytut Podstawowych Problemow Techniki | Spring with two states of stable equilibrium |
US11323820B2 (en) | 2017-04-12 | 2022-05-03 | Aifc-U Unternehmensförderung | Loudspeaker with a rollable membrane |
WO2019121334A1 (en) | 2017-12-22 | 2019-06-27 | Aifc-U Unternehmensförderung | Bistable luminaire |
US11226543B2 (en) | 2017-12-22 | 2022-01-18 | Aifc-U Unternehmensförderung | Bistable luminaire |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |