SE506189C2

SE506189C2 - trestle

Info

Publication number: SE506189C2
Application number: SE9603137A
Authority: SE
Inventors: Sigge Lundh
Original assignee: Sigge Lundh
Priority date: 1996-08-29
Filing date: 1996-08-29
Publication date: 1997-11-17
Also published as: AU3956097A; WO1998008736A1; FI990397A0; SE9603137L; FI990397A; SE9603137D0

Abstract

A trestle construction, particularly for leisure motorboats comprising two generally planar bracing frames (2), each of which is intended to rest against the underlying trestle supporting surface and each of which includes along its bottom edge a bearing beam (4) that extends laterally outwards from one main surface of a respective bracing frame (2). Each bracing frame (2) has on its said one main surface an outwardly open channel (6) whose longitudinal axis is generally perpendicular to the longitudinal axis of the bearing beam (4). The bearing beam has on its upper side an upwardly open channel (8) whose longitudinal axis is generally perpendicular to the longitudinal axis of the frame beam (1), the longitudinal axes of the two channels (6, 8) essentially intersecting one another. The trestle construction also includes a generally planar support frame (3). The bottom edge of each of two mutually opposite ends of the frame rest in a corner angle between one of the bracing frames (2) and its bearing beam (4). The bottom edge-part and side-edge of the support frame are received in the two channels (6, 8) on respective bracing frames (2). The trestle construction also includes a removable holding device which functions to hold the bracing frames (2) against the support frame (3).

Description

506 189 sträcker sig med väsentligen rät vinkel mot längdriktningen för upplagsbalken. Vidare har upplagsbalken pà sin ovansida en kanal som är öppen uppàt och sträcker sig med väsentligen rät vinkel mot upplagsbalkens längdriktning, varvid de båda kanalernas längdaxlar väsentligen skär varandra. Stödbockens tredje ram emottas med sina bottenhörn i stödramarnas vinklar mellan upplagsbalken och stagningsramens närliggande huvud- yta, varvid bärramens bottenkant och sidokant emottas i de båda kanalerna på respektive stagningsram. Lösbara samman- hàllningsorgan sammanhâller inbördes de båda stagningsramarna och den mellan dem fasthållna bärramen. Sammanhàllningsorga- nen kan bestá av en dragstàng med gängade ändpartier, varvid dragstàngen sträcker sig allmänt vinkelrätt genom de båda stagningsramarna, och muttrar som ingriper med de gängade ändpartierna, stöder mot stagningsramarnas yttre huvudyta. 506 189 extends at a substantially right angle to the longitudinal direction of the support beam. Furthermore, the support beam has on its upper side a channel which is open upwards and extends at a substantially right angle to the longitudinal direction of the support beam, the longitudinal axes of the two channels substantially intersecting. The third frame of the support frame is received with its bottom corners at the angles of the support frames between the support beam and the adjacent main surface of the support frame, whereby the bottom edge and side edge of the support frame are received in the two channels on the respective support frame. Soluble holding means interconnect the two support frames and the support frame held between them. The retaining means may consist of a drawbar with threaded end portions, the drawbar extending generally perpendicularly through the two bracing frames, and nuts engaging the threaded end portions abutting the outer main surface of the bracing frames.

Genomsnittsfackmannen inser naturligtvis att den uppfin- ningsenliga stödbocken kan modifieras inom ramen för patent- kraven. Exempelvis kan sammanhàllningsorganet bestå av ett spännband som sträcker sig runt det gemensamma övre partiet av de samverkande tre ramarna.The person skilled in the art will of course realize that the support bracket according to the invention can be modified within the scope of the patent claims. For example, the holding means may consist of a strap extending around the common upper portion of the cooperating three frames.

En fördel med den uppfunna stödbocken är att de tre ra- marna är väsentligen flata och enkelt kan staplas ihop med inbördes parallella plan, till bildning av en transporterbar enhet med relativt ringa skrymvolym (och förvaringsvolym). En annan fördel är att ramarna med fördel kan tillverkas av trä- material, nämligen av brädor som bildar ramarnas respektive kantbalkar (och upplagsbalk).An advantage of the invented support frame is that the three frames are substantially flat and can easily be stacked together with mutually parallel planes, to form a transportable unit with a relatively small bulk volume (and storage volume). Another advantage is that the frames can advantageously be made of wooden material, namely of boards that form the respective edge beams (and support beams) of the frames.

Ett utföringsexempel på uppfinningen kommer nu att be- skrivas i exempelform med hänvisning till den bilagda rit- ningen.An embodiment of the invention will now be described by way of example with reference to the accompanying drawing.

Fig. l visar en sidovy av en uppfinningsenlig bock i monterat tillstànd.Fig. 1 shows a side view of a trestle according to the invention in assembled condition.

Fig. 2 visar en sidovy av bocken enligt fig. 1.Fig. 2 shows a side view of the buck according to Fig. 1.

Bocken 1 består av två huvudsakligen flata stagningsra- mar av väsentligen trapetsformig skepnad i planvy. Bocken om- fattar vidare en allmänt plan och i planet väsentligen tra- petsformig bärram 3, vars höjd överskrider stagningsramarnas BNsDOC|D: 506 21289' 2 höjd. Stagningsramarna 2 har utmed bottenkanten en uppíags- balk 4 som sträcker sig med allmänt rät vinkel ut från stag- ningsramens 2 huvudyta. I sin övre centrala del på insidån har ramen 2 ett par allmänt vertikalt och parallellt montera- de lister 5, vilka definierar en vertikal kanal 6. På upﬁi lagsbalkens 4 ovansida finns två parallella och åtskilda lis- ter 7, vilka mellan sig definierar en kanal 8. Kanalernas 6 och 8 längdriktningar skär varandra. ..r§ Bärramen 3 emottas med sitt respektive undre hörn i ka- nalen 8, varvid ramens 3 sidokant emottas i kanalen 6.hE H dragstàng 10 sträcker sig genom stagningsramarnas 2 centrala delar och har gängade ändpartier 21, vilka bär muttrar 2~ med vilka ramarnas 2, 3 sammanhålles till en stabil bock. W Lasten mot bärramens 3 övre ände ll överföres till. pp- lagsbalkarna 4 som i sin tur är fästa vid stagningsramarmäs 2 undre kantdelar. Upplagsbalkarna 4 bildar lastfördelningssle- ment.The trestle 1 consists of two substantially flat bracing frames of substantially trapezoidal shape in plan view. The buck further comprises a general plane and in the plane substantially trapezoidal supporting frame 3, the height of which exceeds the height of the bracing frames BNsDOC | D: 506 21289 '2. The bracing frames 2 have along the bottom edge a support beam 4 which extends at a generally right angle out from the main surface of the bracing frame 2. In its upper central part on the inside the frame 2 has a pair of generally vertically and parallel mounted strips 5, which define a vertical channel 6. On up up in the upper side of the team beam 4 there are two parallel and separated strips 7, which between them define a channel 8. The longitudinal directions of the channels 6 and 8 intersect. ..r§ The support frame 3 is received with its respective lower corner in the channel 8, the side edge of the frame 3 being received in the channel 6.hE H drawbar 10 extends through the central parts of the bracing frames 2 and has threaded end portions 21, which carry nuts 2 ~ with which the frames 2, 3 are held together into a stable bend. W The load against the upper end ll of the support frame 3 is transferred to. the bearing beams 4, which in turn are attached to the lower edge parts of the bracing frame mesh 2. The bearing beams 4 form load distribution elements.

De punklaster som introduceras på bärramens 3 över överföres via bärramens 3 sidokanter till längdmittomràd respektive upplagsbalk 4. Dessa punktlaster fördelas då ëäpgd upplagsbalken 4 som i sin tur förstyvas av stagningsrameäš 2 undre kantdel. Yttrycket mellan upplagsbalkens 4 underytäíoch bockens 1 underlag blir därför förhållandevis litet. I; Av fig. 2 framgår att vardera sidostycket av ramenlm består av två parallella åtskilda brädor, medan ramens 3 övre och undre kantdel består av en enkel bräda som vid än A _ infäst mellan paren av sidokantbrädor. Stagningsramarnaëšïkan bestå av enkla brädor som vid undre änden är fästa mot :ïíÄ lagsbalken 4 och vid över änden är inbördes förbundna viä en förbindningslist 27. Bärramen 3 kan på sin övre ände ha 65» lastfördelningsbräda 14. -Hm» BNSDOCID: The punk loads introduced on the upper side of the support frame 3 are transferred via the side edges of the support frame 3 to the longitudinal center area and support beam 4, respectively. These point loads are then distributed on the support beam 4 which in turn is stiffened by the lower edge part The surface pressure between the lower surface of the support beam 4 and the base 1 of the trestle 1 therefore becomes relatively small. IN; From Fig. 2 it can be seen that each side piece of the frame element consists of two parallel separated boards, while the upper and lower edge part of the frame 3 consists of a simple board which at more than A _ is fastened between the pairs of side edge boards. The support frames consist of simple boards which at the lower end are attached to: the beam 4 and at the upper end are interconnected to a connecting strip 27. The support frame 3 can have at its upper end 65 »load distribution board 14. -Hm» BNSDOCID:

Claims

506 189 PATENT CLAIMS

Support bracket, especially for recreational motorboats, characterized by two substantially flat bracing frames (2), each of which along its lower edge is intended to rest against the base of the support bracket, has a support beam (4) which extends laterally from one main surface of the frame (2), that each support frame (2) on its said one main surface has an outwardly open channel (6), the longitudinal direction of which is substantially perpendicular to the longitudinal direction of the support beam (4), and wherein the support beam has on its upper side an upwardly open channel (8), the longitudinal direction of which is substantially perpendicular to the longitudinal direction of the frame beam (), the longitudinal directions of the two channels (6,8) intersecting substantially each other, a substantially flat support frame (3), which with each of two opposite ends of its lower edge rest at a corner angle between one of the bracing frames (2) and its support beam (4), the lower edge portion and side edge of the support frame being received in the two channels (6,8) on the respective bracing frame (2) , and a solvable context Adjusting means arranged to hold the bracing arms (2) against the support frame (3).

Bend according to claim 1, characterized in that the upper part of the support frame (3) extends up to a level above the level of the upper ends of the bracing frames (2).

Buck according to claim 1 or 2, characterized in that the frames (2,3) are formed by boards.

Bend according to one of Claims 1 to 3, characterized in that the frames are substantially in the form of a symmetrical trapezoid.

Bend according to any one of claims 1 to 4, characterized in that the holding means comprises a tie rod (10) with threaded end portions (21), which carry nuts (22), the rod extending generally perpendicularly through the two bracing frames (2). ) so that the nuts (22) support the outside of the bracing frames (2). BNSDOCID: