Source: http://www.google.com/patents/US6755259?dq=4200770
Timestamp: 2018-01-20 10:24:21
Document Index: 138310880

Matched Legal Cases: ['Application No. 20021060', 'art 5', 'art 5', 'art 5', 'art 5', 'art 5', 'art 5', 'art 5', 'arts 5']

Patent US6755259 - Piercing device for fire-fighting system - Google Patents
A method and an apparatus for punching a piercing tool through a wall shell structure and for feeding fire-retardant medium to the object on fire. At the outermost end of the rescue boom (3), according to the invention, there is a piercing device (6) which comprises an elongated piercing tool (7) provided...http://www.google.com/patents/US6755259?utm_source=gb-gplus-sharePatent US6755259 - Piercing device for fire-fighting system
Publication number US6755259 B2
Application number US 10/346,408
Also published as DE60322781D1, EP1369145A1, EP1369145B1, US20030230414
Publication number 10346408, 346408, US 6755259 B2, US 6755259B2, US-B2-6755259, US6755259 B2, US6755259B2
Inventors Esa Peltola, Mikko Asumaniemi
Original Assignee Bronto Skylift Oy Ab
Patent Citations (20), Referenced by (19), Classifications (12), Legal Events (4)
Piercing device for fire-fighting system
US 6755259 B2
A method and an apparatus for punching a piercing tool through a wall shell structure and for feeding fire-retardant medium to the object on fire. At the outermost end of the rescue boom (3), according to the invention, there is a piercing device (6) which comprises an elongated piercing tool (7) provided with at least one longitudinal channel for supplying the fire-retardant medium to the nozzles of the tool (7) and further to the object on fire. The piercing device (6) comprises an actuator for advancing the piercing tool (7) through the shell structure (8) by a longitudinal movement.
1. A method of feeding fire-retardant medium from a first side of a wall shell structure to a second side thereof, the method comprising:
positioning a rescue boom adjacent the first side of the wall structure;
piercing the wall structure by advancing at least a portion of an elongated piercing tool provided on the rescue boom from the first side of the wall structure to the second side thereof by operating an actuator provided in operative engagement with the piercing tool;
maintaining the boom substantially stationary during the piercing step;
feeding the fire-retardant medium through at least one longitudinal channel provided in the piercing tool and through at least one nozzle connected to the channel to the second side of the wall structure;
engaging a plunger provided on the boom with the first side of the wall structure to be pierced; and
advancing the piercing tool through the wall structure only after the plunger is engaged with the wall structure by a predetermined force.
2. The method according to claim 1, wherein in the piercing step, the piercing tool punches through the wall structure by a rapid longitudinal movement.
preventing the boom from moving after the plunger has been moved against the wall structure by the predetermined force.
monitoring the position between the piercing tool and the wall structure by at least one detector; and
positioning the piercing tool in a substantially perpendicular position to the first side of the wall structure before piercing the wall structure.
7. A rescue boom comprising:
a movable boom, which comprises a proximal first end, which is connectable to a carrier, and a distal second end;
a piercing tool disposed adjacent the second end of the boom, the piercing tool being an elongated member having a longitudinal channel, the position of the piercing tool with respect to the second end of the boom being adjustable;
a feed channel for feeding fire-retardant medium into the channel of the piercing tool;
a nozzle which is connected to the longitudinal channel of the piercing tool and through which the fire-retardant medium is arranged to be fed;
at least one actuator for moving the piercing tool in its longitudinal direction with respect to the second end of the boom; and
a movable plunger, the plunger operably arranged with the at least one actuator such that the at least one actuator is prohibited from actuating until the plunger is acted upon by a predetermined amount of force.
8. The rescue boom according to claim 7, wherein the position of the piercing tool with respect to the second end of the boom is adjustable via means for adjusting the angular position of the piercing tool with respect to the second end of the boom.
at least one detector arranged with the piercing tool for monitoring the position between the piercing tool and an object to be pierced.
11. The rescue boom according to claim 7, wherein the boom is prevented from moving upon the plunger being acted upon by a predetermined force.
a piercing tool which is an elongated member comprising a longitudinal channel;
a nozzle which is connected to the channel of the piercing tool and through which the fire-retardant medium is arranged to be fed,
at least one actuator for moving the piercing tool in its longitudinal direction; and
14. The piercing device according to claim 13, wherein the actuator comprises at least one spring member for providing a longitudinal impact by the piercing tool.
a position detecting system for monitoring the position of the piercing tool relative to a selected surface and generating a signal conveying position data thereof;
a control unit operable to adjust the position of the piercing tool with respect to the boom, the control unit arranged with the detecting system to receive position data therefrom, and the control unit adjusting the position of the piercing tool based on the position data to dispose the piercing tool in a predetermined positional relationship with respect to the selected surface.
19. The rescue boom according to claim 18, further comprising:
an actuator for moving the piercing tool in its longitudinal direction with respect to the second end of the boom.
20. The rescue boom according to claim 18, further comprising:
21. The rescue boom according to claim 18, wherein the position detecting system includes a pair of bars extending a predetermined distance from the piercing tool, and a pair of sensors connected, respectively, to the bars.
This patent application claims the benefit of Finnish Patent Application No. 20021060, filed Jun. 3, 2002, which is incorporated in its entirety herein by this reference.
The present invention provides a new and improved arrangement for piercing a wall shell structure with a piercing tool. The present invention is particularly useful in fire fighting. The method of the invention maintains a rescue boom in a substantially stationary position during a piercing operation carried out by driving a piercing tool through a wall shell structure by means of an actuator provided at the end of the rescue boom.
FIG. 1 schematically illustrates a rescue vehicle equipped with a piercing device according to the present invention.
FIG. 1 shows a rescue vehicle 1, which comprises an independently movable carrier 2, which may be any appropriate vehicle, for example, an all-terrain vehicle similar to the one shown in FIG. 1. Alternatively, the movable carrier may be a trailer or a ship. On the carrier 2, there is a rescue boom 3, which can include at least one boom part which can be moved with respect to the carrier 2. In the embodiment shown in FIG. 1, the boom 3 is arranged behind a control cabin 4. The rescue boom 3 includes a movable boom with a first boom part 5 a, whose first end is connected to the carrier 2 so that the boom part 5 a can be rotated about a vertical axis V. Furthermore, a horizontal joint H1 enables lifting and lowering of the second, i.e., the outermost, end of the boom part 5 a. A second boom part 5 b is connected to the outermost end of the first boom part 5 a. The outermost end of the second boom part can be lifted and lowered with respect to a horizontal joint H2 between the first boom part 5 a and the second boom part 5 b. The boom parts 5 a, 5 b may be moved, for example, by pressure medium cylinders and motors or by another known manner. For the sake of clarity, the actuators for a moving boom are not shown in FIG. 1.
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U.S. Classification 169/47, 239/73, 169/62, 169/24, 239/271, 169/70
International Classification A62C27/00, A62C31/22
Cooperative Classification A62C31/22, A62C27/00
European Classification A62C27/00, A62C31/22
Owner name: BRONTO SKYLIFT OY AB, FINLAND
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PELTOLA, ESA;ASUMANIEMI, MIKKO;REEL/FRAME:014587/0596