Camping trailers

Claim 2

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surfaCe having an area twice that of the main chassis floor, the underside of the floor of the subchassis, when in its first, closed-up position, rests on the floor surface of said main chassis, said floor surface providing a smooth bearing surface during sliding of said sub-chassis together with its floor relative to said main chassis, said floor surface comprising a nylon carpet.

Claim 3

A trailer as claimed in claim 1, including a tent supporting frame comprising a plurality of open ended substantially rectangular hoops, the free ends of at least three of which are arranged to engage in locating members provided on the main and sub-chassis, and a plurality of cross rods each pivotally connected to the corners of the respective hoops at one end and the other end thereof being arranged to engage with a sleeve pivotally mounted on the corner of another hoop or with the end of another cross rod.

Claim 4

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and three upstanding walls secured to said sub-chassis floor and including a fourth wall which is pivotally secured to the main chassis floor.

Claim 5

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and three upstanding walls secured to said sub-chassis floor and including a fourth wall which is pivotally secured to the main chassis floor.

Claim 6

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, three upstanding walls secured to said sub-chassis floor and including a fourth wall which is pivotally secured to the main chassis floor, and a cover for the trailer secured at least to said fourth side wall of the trailer which may be pivoted as a tail board so that when the tail board is left down the cover may be used as an extra floor space to the rear of the main chassis.

Claim 7

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, three upstanding walls secured to said sub-chassis floor and including a fourth wall which is pivotally secured to the main chassis floor, and a cover for the trailer secured at least to said fourth side wall of the trailer which may be pivoted as a tail board so that when the tail board is left down the cover may be used as an extra floor space to the rear of the main chassis.

Claim 8

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a pair of seat bunks secured to the sub-chassis floor and a kitchen unit pivotally secured to the main chassis floor for swinging movement about a vertical axis.

Claim 9

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a pair of seat bunks secured to the sub-chassis floor and a kitchen unit pivotally secured to the main chassis floor for swinging movement about a vertical axis.

Claim 10

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, said main chassis is substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for the road wheels, said longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and said sub-chassis including a further longitudinal member slidably mounted in the hollow box section member, and a towing hitch secured to said further longitudinal member.

Claim 11

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, said main chassis is substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for the road wheels, said longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and said sub-chassis including a further longitudinal member slidably mounted in the hollow box section member, and a towing hitch secured to said further longitudinal member.

Claim 12

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, said main chassis is substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for the road wheels, said longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and said sub-chassis including a further longitudinal member slidably mounted in the hollow box section member, a towing hitch secured to said further longitudinal member, and locking means between said main and sub-chassis for securing the trailer in its closed up position and its extended position.

Claim 13

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, said main chassis is substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for the road wheels, said longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and said sub-chassis including a further longitudinal member slidably mounted in the hollow box section member, a towing hitch secured to said further longitudinal member, and locking means between said main and sub-chassis for securing the trailer in its closed up position and its extended position.

Claim 14

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a plurality of drop legs arranged at the corners of said chassis, each of said drop legs comprising a sleeve pivotally connected to a chassis member, a rod slidable within the sleeve between a first folded position in which an end thereof extends beyond the pivot point of the sleeve and bears against the chassis member to prevent the sleeve pivoting out of a substantially horizontal position, and a second extended position in which a foot on the other end of the rod engages the ground, and a locking member for preventing movement between the sleeve and rod.

Claim 15

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a plurality of drop legs arranged at the corners of said chassis, each of said drop legs comprising a sleeve pivotally connected to a chassis member, a rod slidable within the sleeve between a first folded position in which an end thereof extends beyond the pivot point of the sleeve and bears against the chassis member to prevent the sleeve pivoting out of a substantially horizontal position, and a second extended position in which a foot on the other end of the rod engages the ground, and a locking member for preventing movement between the sleeve and rod.

Claim 16

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a frame comprising a plurality of U-shaped hoops, the free ends of at least three of which are arranged to engage in locating members provided on the main and sub-chassis, and a plurality of cross rods, some of which are pivotally connected to the corners of respective hoops at one end and the other ends of which are arranged to engage with sleeves pivotally mounted on the corners of another hoop and with the ends of further cross rods arranged to extend between the said sleeves, and a tent which can be supported by the erected frame.

Claim 17

A trailer for camping comprising a main chassis, a main floor secured to the main chassis, a pair of ground engaging wheels, means mounting said wheels on said main chassis, a sub-chassis, a secondary floor associated with said sub-chassis, means mounting the sub-chassis together with its secondary floor for sliding movement relative to said main chassis and its main floor between a first closed up position and a second extended position, said trailer, when in its second extended position providing a substantially continuous floor surface having an area twice that of the main chassis floor, and a frame comprising a plurality of U-shaped hoops, the free ends of at least three of which are arranged to engage in locating members provided on the main and sub-chassis, and a plurality of cross rods, some of which are pivotally connected to the corners of respective hoops at one end and the other ends of which are arranged to engage with sleeves pivotally mounted on the corners of another hoop and with the ends of further cross rods arranged to extend between the said sleeves, and a tent which can be supported by the erected frame.

Claim 18

A trailer for camping comprising a main chassis, a main floor secured to said main chassis, a pair of ground engaging wHeels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position.

Claim 19

A trailer for camping comprising a main chassis, a main floor secured to said main chassis, a pair of ground engaging wHeels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position.

Claim 20

A trailer for camping comprising a main chassis, a main floor secured to said main chassis, a pair of ground engaging wheels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position, said main chassis including members disposed substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for said wheels, and the longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and in which said sub-chassis includes a further longitudinal member slidably mounted in the hollow box section member.

Claim 21

A trailer for camping comprising a main chassis, a main floor secured to said main chassis, a pair of ground engaging wheels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position, said main chassis including members disposed substantially in the form of a right angled cross, the transverse member of the cross providing a suitable mounting member for said wheels, and the longitudinal chassis member of the cross running centrally of the trailer and being of hollow box section and in which said sub-chassis includes a further longitudinal member slidably mounted in the hollow box section member.

Claim 22

A trailer for camping comprising a main chassis, a substantially rectangular main floor secured to said main chassis, a pair of ground engaging wheels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed-up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position, a plurality of drop legs arranged respectively adjacent the four corners of the main floor and at the front corners of the secondary floor, each of said drop legs comprising a sleeve pivotally connected to a chassis member or floor, a rod slidable within the sleeve between a first folded position in which an end thereof extends beyond the pivot point of the sleeve and bears against the chassis member or floor to prevent the sleEve pivoting out of a substantially horizontal position, and a second extended position in which a foot on the other end of the rod engages the ground, and a locking member for preventing movement between the sleeve and rod.

Claim 23

A trailer for camping comprising a main chassis, a substantially rectangular main floor secured to said main chassis, a pair of ground engaging wheels, means mounting said wheels on the main chassis, a sub-chassis supported by said main chassis, a towing device connected to said sub-chassis and a secondary floor supported on it, means mounting the sub-chassis together with its secondary floor for sliding movement relative to the main chassis and its main floor in a direction parallel to the travelling direction of the trailer to enable a towing vehicle to effect the necessary extension and retraction between a first closed-up position and a second extended position, the trailer, when in its second, extended position providing a floor surface having an area almost twice that of the main chassis floor, the underside of the floor of the sub-chassis, when in said first, closed-up position, resting on the floor surface of the main chassis, the latter floor surface providing a smooth bearing surface during sliding of the sub-chassis together with its floor relative to the main chassis to said second position, a plurality of drop legs arranged respectively adjacent the four corners of the main floor and at the front corners of the secondary floor, each of said drop legs comprising a sleeve pivotally connected to a chassis member or floor, a rod slidable within the sleeve between a first folded position in which an end thereof extends beyond the pivot point of the sleeve and bears against the chassis member or floor to prevent the sleEve pivoting out of a substantially horizontal position, and a second extended position in which a foot on the other end of the rod engages the ground, and a locking member for preventing movement between the sleeve and rod.