Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached
Patent
1981-05-28
1984-03-20
Schmidt, Frederick R.
Implements or apparatus for applying pushing or pulling force
Fluid pressure
Vehicle attached
254133R, 254228, 474113, B66F 324
Patent
active
044376480
ABSTRACT:
A belt tensioning tool for tensioning an endless belt that passes around a plurality of spaced apart pulleys with one of the pulleys being mounted for adjustable movement relative to the other pulleys. The belt tensioning tool has as its basic components an actuator assembly including an extensible rod member, a reaction assembly mounted to one end of the actuator assembly, and a slidable assembly mounted to the extensible rod member. The reaction assembly includes a reaction arm member which extends in a cantilevered fashion away from the extensible rod end of the actuator assembly. Similarly, the slidable assembly includes a cantilevered, slidable arm member which is mounted to the extensible rod member and is slidably movable along a track in the reaction arm member. The reaction arm member and slidable arm member include opposed adapter members having pulley engaging ends that extend in opposite directions. Extension and retraction of the rod member results in relative movement between the adapter members on the slidable arm member and reaction arm member for the purpose of spreading a pair of pulleys apart thereby tensioning the endless belt around the pulleys.
REFERENCES:
patent: 1832606 (1931-11-01), Zimmerman
patent: 3081066 (1963-03-01), Murawski
patent: 3325095 (1967-06-01), Mueller et al.
patent: 3499206 (1970-03-01), Quernheim
patent: 3662994 (1972-05-01), Johns
patent: 3679176 (1972-07-01), Campbell
patent: 3762688 (1973-10-01), Leonhardt
patent: 4017059 (1977-04-01), Laine
Thorn Brent
Thorn E. R.
Schad Steven P.
Schmidt Frederick R.
Van F. Belknap Co.
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