GB1533923A - Tightening system with quality control apparatus - Google Patents
Tightening system with quality control apparatusInfo
- Publication number
- GB1533923A GB1533923A GB1104376A GB1104376A GB1533923A GB 1533923 A GB1533923 A GB 1533923A GB 1104376 A GB1104376 A GB 1104376A GB 1104376 A GB1104376 A GB 1104376A GB 1533923 A GB1533923 A GB 1533923A
- Authority
- GB
- United Kingdom
- Prior art keywords
- control means
- wrench
- tightening
- torque
- fastener
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
- B25B23/1456—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers having electrical components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
1533923 Tightening systems STANDARD PRESSED STEEL CO 19 March 1976 11043/76 Heading G1N A tightening system for tightening a fastener to a predetermined condition comprises a wrench 50 for tightening a fastener, control means 51 operatively associated with the wrench 50 for shutting-off the wrench 50 at the predetermined condition and quality control means 53 for checking the condition of the fastener at the predetermined condition and providing an indication thereof. The control means 51 comprises a circuit identical with that disclosed for the second embodiment in Specification 1526948. The torque of the wrench is measured using strain gauges 72, contacting gauges or proximity displacement gauges and the angular displacement thereof by an induction type proximity probe 74 associated with the motor 52. The quality control means 53 comprises two circuits, one 120, 122 &c associated with the torque measuring portion of the control means for indicating whether the torque measured at the shutting-off of the wrench lies within a predetermined range. The predetermined range is set on the two components 122, 124 and lamps 126, 128, 132 are provided for visually indicating the value of the aforesaid torque. Similarly the other circuit 140, 142 &c associated with the angular displacement measuring portion of the control means visually indicates whether the angular displacement lies in a predetermined range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1104376A GB1533923A (en) | 1976-03-19 | 1976-03-19 | Tightening system with quality control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1104376A GB1533923A (en) | 1976-03-19 | 1976-03-19 | Tightening system with quality control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1533923A true GB1533923A (en) | 1978-11-29 |
Family
ID=9978972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1104376A Expired GB1533923A (en) | 1976-03-19 | 1976-03-19 | Tightening system with quality control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1533923A (en) |
-
1976
- 1976-03-19 GB GB1104376A patent/GB1533923A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |