Barrier lifter

Details Barrier lifter Barrier lifter

1990-05-21

1991-03-19

Peters, Jr., Joseph F.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Grab

212243, 2941101, 414467, 414729, B60P 104, B65G 900, B66C 142

Patent

active

050006487

ABSTRACT:
An apparatus for mounting onto a lifting machine for gripping and lifting a highway barrier and the like, said apparatus comprising a body adapted to be mounted on to the lifting machine. A pair of clamping arms is pivotally and slidingly engaging the body and having mechanical advantage means pivotally engaging and extending between the body and clamping arms for releasably applying a gripping force to the barrier and to lift same. Locking means engaging the clamping arms is provided for successively locking the clamping arms in an open position to receive the barrier, unlocking the clamping arms in an operative position to apply the gripping force and thereafter locking the clamping arms in the open position for reuse upon release of the barrier.

REFERENCES:
patent: 1280951 (1918-10-01), Blackmair
patent: 2408719 (1946-10-01), Abernethy
patent: 2674380 (1984-04-01), Boudreaux
patent: 2857193 (1958-10-01), Heppenstall
patent: 4035010 (1977-07-01), Kawashita et al.

Affiliated with

Also associated with

Rating

Barrier lifter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Barrier lifter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Barrier lifter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2006433