Land vehicles: bodies and tops – Bodies – Camper
Patent
1997-04-01
1999-02-02
Pape, Joseph D.
Land vehicles: bodies and tops
Bodies
Camper
296 2604, 296156, 74606R, B60P 3355
Patent
active
058654992
ABSTRACT:
A camper crank drive mechanism provides for the powered operation of the top erecting and retracting mechanism of a camper vehicle having a folding top. The present mechanism secures to the camper structure, and has an output shaft which engages the conventional crank input of the camper vehicle. The crank drive mechanism comprises a gear speed reduction unit, which reduces the input speed and multiplies the input torque considerably, in order to allow a relatively small and lightweight battery operated power tool (cordless electric drill, power screwdriver, etc.) to be used to operate the reduction mechanism. The mechanical advantage provided by the mechanism allows it to serve as a mechanical lock of the top erection and retraction mechanism, precluding inadvertent collapse of the top during the intermediate phase of the erection or retraction operation. The power tool used to operate the gear mechanism may be powered by its own internal battery, or may alternatively be powered by a larger external battery, if desired, which external battery may be recharged from the towing vehicle charging system.
REFERENCES:
patent: 3024059 (1962-03-01), Hagenson
patent: 3507535 (1970-04-01), Wallace
patent: 3514150 (1970-05-01), Wallace
patent: 3572163 (1971-03-01), Clark
patent: 3981529 (1976-09-01), Bontrager
patent: 4280373 (1981-07-01), Denkowski et al.
patent: 4657300 (1987-04-01), Penny et al.
patent: 4872230 (1989-10-01), Levine
patent: 5354215 (1994-10-01), Viracola
Litman Richard C.
Pape Joseph D.
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