Claims
- 1. A tool for tightening a fail-safe electrical connection terminal, said terminal comprising a slotted bolt for receiving an electrical conductor, a tapped cylindrical cap screwed onto the bolt to clamp the conductor therein, said cap being closed at one end by a plate having a central hole, a shoe for applying the clamping force to the conductor, a rod having one end integral with the shoe and being slidably mounted in said hole in the plate, and a compression spring interposed between the shoe and the palte of the cap, said shoe and spring being housed inside the cap, said tool comprising:
- a torque limiter,
- a hollow casing and a drive member passing through the casing and made fast to the torque limiter,
- the drive member comprising a sleeve having a polygonal socket of the same shape as the polygonal end of the central boss of the cap, the casing being made fast to a fixed portion of the torque limiter, and having an end equipped with two lugs surrounding the sleeve, and
- the drive member further comprising a lock having two locking blades each of which ends in a hook,
- said lugs on the casing fitting in between the lugs on the cap and the hooks of the lock engaging the hooks of the cap.
- 2. A tightening tool according to claim 1, wherein the casing includes a return spring having one end held fast to the casing and the other end held fast to the torque limiter where it drives the drive member.
Priority Claims (1)
Number |
Date |
Country |
Kind |
80 21114 |
Oct 1980 |
FRX |
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Parent Case Info
This is a division of application Ser. No. 307,552, filed Oct. 1, 1981, now U.S. Pat. No. 4,413,876.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
307552 |
Oct 1981 |
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