Land vehicles – Wheeled – Attachment
Patent
1994-04-22
1996-04-02
Focarino, Margaret A.
Land vehicles
Wheeled
Attachment
B60R 2113
Patent
active
055034306
ABSTRACT:
A rollover protection system for a working vehicle including a pair of lower props fixed at lower ends thereof to a chassis, a U-shaped upper cross bar pivotally connected to upper ends of the lower props, and connectors disposed between the lower props and the upper cross bar for selectively permitting the upper cross bar to pivot relative to the lower props. The connectors have a pair of right and left engaging members disposed at the upper ends of the lower props, respectively, a pair of right and left engageable members disposed at lower ends of the upper cross bar, respectively, and control handles for selecting between a first state to engage the engaging members and the engageable members, and a second state to disengage the engaging members and the engageable members. The lower props and the upper cross bar have such shapes and dimensions that, when the control handles are operated to provide the second state, the engaging members and the engageable members are elastically movable away from each other.
REFERENCES:
patent: 4666183 (1987-05-01), Azzarello
patent: 4877265 (1989-10-01), DeBraal et al.
patent: 5042835 (1991-08-01), Burns
patent: 5154435 (1992-10-01), Chiu
Patent Abstracts of Japan, vol. 16, No. 82, Feb. 27, 1992 (1 page).
Miki Hiroyuki
Toiguchi Tsutomu
Ellis Christopher
Focarino Margaret A.
Kubota Corporation
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