Double fingered bumper jack body

Details Double fingered bumper jack body Double fingered bumper jack body

1978-12-05

1980-05-20

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

254133R, B66F 104

Patent

active

042035783

ABSTRACT:
A bumper jack for vehicles is provided having improved stability. This bumper jack includes the usual ratchet bar and load lifting housing mounted on the bar for movement therealong. According to the novel feature, the load lifting housing comprises steel side walls surrounding the ratchet bar, with these side walls at one side of the ratchet bar forming a lower inclined bumper engageable ledge and an upper inclined bumper engageable ledge. At the lower edge of each ledge is an upwardly projecting finger member, with each finger having an upwardly and outwardly sloping edge adjacent a ledge, forming a trough between the finger and the ledge. These fingers are adapted to extend through a pair of vertically aligned slots in a bumper, thereby providing both lateral stability and fore and aft stability when lifting a vehicle.

REFERENCES:
patent: 1014801 (1912-01-01), Beard
patent: 2456375 (1948-12-01), Cedarholm
patent: 2743903 (1956-05-01), Lucker
patent: 3099435 (1963-07-01), Nixon
patent: 3180618 (1965-04-01), Ulm

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