Title: Automatic vehicle-stopping structure

Abstract: An automatic vehicle-stopping structure according to which a vehicle body carries at an outermost part, which leads the remainder of the vehicle body when the latter travels in a given direction, a container which contains a fluid and which has most distant from the outermost part of the vehicle body a flexible wall to be engaged and deformed by a person or object which comes into contact with the fluid-container during travel of the vehicle. The interior of the container communicates with a pressure-responsive switch. The latter switch changes from one position to another in response to deformation of the flexible wall of the container. When the switch changes its position automatically in this manner, it actuates at least a control for engaging the brakes of the vehicle so that the vehicle will be automatically stopped under the above conditions.

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Inventors: Pesonen, Tapio (Tampere, SF)

Application Number: 529577
Filing Date: 1974-12-04
Publication_date: 1976-03-09
Assignee: Valmet Oy (SF)
Primary Class(es): 180/275 293/4
Other Classes:
US Patent Ref:

1784387	Dec, 1930	Postel	180/92.
1925763	Sep, 1933	Kirschen	293/4.
2584078	Jan, 1952	Hsi-Yu	180/95.
3459954	Aug, 1969	Sgorbani	200/83.
3695665	Oct, 1972	Matsuura	180/92.
R15467	Oct, 1922	Schauman	180/95.

Other Refs: 1,162,176

Sep, 1958	FR

Primary Examiner: Goodman, Philip
Assistant Examiner: Siemens, Terrance L.
Attorney: Steinberg & Blake