Translation block with disengaging nut for screw-mounted lifting

Details Translation block with disengaging nut for screw-mounted lifting Translation block with disengaging nut for screw-mounted lifting

1997-11-25

2000-11-07

Scherbel, David A.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

254 89H, B66F 712

Patent

active

061424471

ABSTRACT:
The translation block with disengaging nut (15) comprises a translation body (4) which serves as a housing for the nut (15) and which slides along the guide element (7) surrounding the screw. The interior unit comprises the nut (15) formed of two mechanically identical pieces (29, 30) which are attached to the screw (13) and separated by an elastic restraint, and an immobilizing-release device (18) cooperating with blocking grooves (42) on the nut, comprised of two flanges (20, 21) each pivoting on an axle parallel to the screw, elastically joined to the nut and released through the action of a pneumatic force. This invention is of interest to manufacturers of storage devices, for example, screw-mounted lifting mechanisms for vehicle transport trailers.

REFERENCES:
patent: 3277736 (1966-10-01), Goodman
patent: 4302981 (1981-12-01), Wayman
patent: 4302982 (1981-12-01), D'Angelo
patent: 5189923 (1993-03-01), Lashbrook
patent: 5238654 (1993-08-01), Nohl et al.

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