Rotary impact lug tool

Details Rotary impact lug tool Rotary impact lug tool

1985-10-07

1986-12-16

Schmidt, Frederick R.

Tools

Including tool driving by impact delivering component or...

Structurally constrained to arcuate movement

173 93, B25B 1900, B25B 2100

Patent

active

046287760

ABSTRACT:
A rotary impact lug tool includes a shaft, a rocker stop block assembly and an elongated rotary member. The shaft includes a socket extension to engage a lug nut. The rotary member is centrally mounted for relative rotation on the shaft. The rocker stop block assembly includes two flat oblong plates fixedly mounted on the shaft in parallel relationship normal to the shaft. Two diametrically opposed stop blocks are affixed to and sandwiched between the plates at equal predetermined radii from the shaft. The rotary member is housed between the plates. Upon spinning, the rotary member simultaneously strikes parallel planar impact surfaces of both stop blocks. The resultant angular impulse is transferred through both plates of the rocker stop block assembly to the shaft, thereby loosening the nut.

REFERENCES:
patent: 1990197 (1935-02-01), Mohr
patent: 2279118 (1942-05-01), Fortune et al.
patent: 2308428 (1943-01-01), Ronning et al.
patent: 2313398 (1943-03-01), Ronning
patent: 3158050 (1964-11-01), Shandel

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