초록 ▼

A kit of parts including shortened side panels and a roof panel is provided for installation on a highway truck tractor which is being converted from a sleeper cab configuration to a day cab configuration. The kit of parts is particularly useful when converting an integral sleeper cab which requires

A kit of parts including shortened side panels and a roof panel is provided for installation on a highway truck tractor which is being converted from a sleeper cab configuration to a day cab configuration. The kit of parts is particularly useful when converting an integral sleeper cab which requires that the frame and floor be shortened before installation of the components of the conversion kit. When the replacement components are provided in the form of a kit, conversions from sleeper cab to day cab can readily be accomplished in a cost effective manner to realize many benefits recognized with conversion from sleeper cabs to day cabs already being done with non-integral types of sleeper cabs.

대표청구항 ▼

1. A method of conversion of a cab of a highway truck tractor from a sleeper cab configuration to a day cab configuration, the method including:removing an existing roof of the cab; removing existing side panels of the cab; removing interior finishing of the cab; shortening a floor of the cab; short

1. A method of conversion of a cab of a highway truck tractor from a sleeper cab configuration to a day cab configuration, the method including:removing an existing roof of the cab; removing existing side panels of the cab; removing interior finishing of the cab; shortening a floor of the cab; shortening a frame of the cab; providing a kit including replacement side panels which are narrower than the existing side panels and a replacement roof which is shorter in length and height than the existing roof; installing the replacement side panels on the shortened frame of the cab; installing the replacement roof on the shortened frame of the cab; and installing modified interior finishing in the cab. 2. The method according to claim 1 wherein the replacement roof has a matching contour to the existing roof to be aesthetically similar in appearance.3. The method according to claim 1 for a cab including extensions extending rearwardly from the cab in the form of side extensions extending rearwardly from the existing side panels, upper extensions extending rearwardly from the roof above the side extensions and lower extensions extending rearwardly below the side panels, wherein the method includes providing replacement upper extensions and replacement lower extensions in the kit and installing the replacement upper extensions above the existing side extensions rearwardly of the roof and installing the lower extensions below the existing side extensions.4. The method according to claim 1 for a cab including a rear frame connected to side beams and floor beams extending in the longitudinal direction of the cab, the method including removing a section from the side end floor beams and reconnecting the existing rear frame when shortening the frame of the cab.5. The method according to claim 4 including removing sections from the beams so that a small portion of each beam remains adjacent the rear frame for reconnection of the beams using a lap weld.6. The method according to claim 5 including deforming the remaining portions of the beams before reconnection for forming the lap weld.7. The method according to claim 4 including cutting the floor beams ahead of the shortened floor of the cab.8. The method according to claim 1 wherein the floor is shortened by keeping an existing portion of the floor and removing a rearward portion of the floor.9. The method according to claim 8 for a cab including a factory lap joint formed therein, the method including shortening the floor of the cab by separating the floor at the factory lap joint.10. The method according to claim 1 including removing the existing lower fairings and installing replacement lower fairings which are shorter in length in relation to the existing fairings.11. The method according to claim 1 including removing the lower fairings and cutting the fairings to be shorter in length before reinstalling the fairings.12. The method according to claim 1 including removing the existing side panels by drilling out spot welds securing the panels to the frame of the cab.13. The method according to claim 1 including relocating suspension of the cab adjacent the rear panel thereof forwardly when the frame of the cab is shortened.14. The method according to claim 1 wherein installing modified interior finishing in the cab includes trimming the existing interior finishing of the cab before reinstallation.15. A kit for conversion of a cab of a truck from a sleeper cab configuration in which the cab extends rearwardly from an occupant seat of the cab, existing side panels span rearwardly from respective doors of the cab to an existing rear panel of the cab, and a roof of the cab extends upwardly and rearwardly above the existing side panels to a day cab configuration in which the cab is shorter in length than the sleeper cab configuration, the kit comprising:replacement side panels which are narrower between respective forward and rearward edges than the existing side panels, the forward and rearward edge being configured similarly to the existing side panels; and a replacement roof which is shorter in length and shorter in height than the existing roof. 16. The kit according to claim 15 wherein the replacement roof has a matching contour to the existing roof to be aesthetically similar in appearance.17. The kit according to claim 15 wherein the replacement side panels and the replacement roof are formed of molded fibreglass.18. The kit according to claim 15 for a cab including existing fairings extending below the existing side panels, wherein the kit including replacement fairings which are shorter in length than the existing fairings.19. The kit according to claim 15 for a cab having existing extensions projecting rearwardly from opposing sides of the cab, wherein the kit includes upper extensions being similar in width to the existing extensions and being similar in height to the replacement roof.20. The kit according to claim 19 for a cab having existing panels below respective doors of the cab and wherein the kit includes lower extensions being similar in width to the existing extensions and being similar in height to the existing panels below the respective doors of the cab.