Liftgate hockey stick attachment
A liftgate support bracket connection arrangement for a vehicle liftgate. The liftgate can be for a rear vehicle liftgate or any other type of liftgate found on a vehicle. Connected to the composite inner panel are support brackets. The inner panel of a liftgate has a plurality of bosses formed on an outer surface of the inner panel. Each of the support brackets has a plurality of apertures corresponding in number to the plurality of bosses. Each one of the plurality of apertures is configured to align with one of the plurality of bosses and then screws are used to mechanically fasten the support bracket to the inner panel.
1 . A liftgate support bracket connection arrangement comprising:
an inner panel of a liftgate having a plurality of bosses formed on an outer surface of the inner panel;
at least one support bracket having a plurality of apertures corresponding in number to the plurality of bosses, wherein each one of the plurality of apertures is configured to align with one of the plurality of bosses;
a plurality of screws corresponding in number to the plurality of bosses, wherein each of one of the plurality of screws has a shoulder and a threaded shaft where the threaded shaft of each one of the plurality of screws is received through one of the plurality of apertures of the at least one support bracket so that the shoulder of each of the plurality of screws contacts the at least one support bracket, while the threaded shaft connects with one of the plurality of bosses of the inner panel thereby connecting the at least one support bracket to the inner panel, and wherein at least part of a threaded portion of each of the plurality of bosses has a draft angle of at least 0.5 degrees.
2 . The liftgate support bracket connection arrangement of claim 1 wherein each of the plurality of bosses has an inside wall with the draft angle of at least 0.5 degrees from a bottom surface of the boss to a top aperture of the boss.
3 . The liftgate support bracket of claim 2 wherein the bottom surface of each of the plurality of bosses has a diameter of 5.15 mm.
4 . The liftgate support bracket of claim 1 wherein each of the plurality of screws is an M6.5 screw having a threaded shaft with an outside diameter of 6.5 mm and a head with the shoulder.
5 . The liftgate support bracket of claim 4 wherein each of the plurality of bosses has an inside diameter of 5.4 mm.
6 . The liftgate support bracket of claim 4 wherein each of the plurality of screws is connected to the respective one of the plurality of bosses with at least 4.0 Nm of torque.
7 . The liftgate support bracket connection arrangement of claim 1 further comprising:
wherein the at least one support bracket is a hockey stick bracket having a first reinforcement surface extending in first direction and a second reinforcement surface connected to the first reinforcement surface and extending in a second direction, and
wherein the plurality of bosses of the inner panel are eight bosses for each at least one support bracket, with one of the eight bosses is formed at an intersection between the first reinforcement surface and the second reinforcement surface when the support bracket is connected to the inner panel.
8 . A liftgate support bracket connection arrangement comprising:
an inner panel of a liftgate having a plurality of bosses formed on an outer surface of the inner panel;
at least one support bracket having a plurality of apertures corresponding in number to the plurality of bosses, wherein each one of the plurality of apertures is configured to align with one of the plurality of bosses, wherein the at least one support bracket is a hockey stick bracket having a first reinforcement surface extending in a first direction and a second reinforcement surface connected to the first reinforcement surface and extending in a second direction;
a plurality of screws corresponding in number of the plurality of bosses, wherein each of one of the plurality of screws has a shoulder and a threaded shaft where the threaded shaft of each one of the plurality of screws is received through one of the plurality of apertures of the at least one support bracket so that the shoulder of each of the plurality of screws contacts the at least one support bracket, while the threaded shaft connects with one of the plurality of bosses of the inner panel thereby connecting the at least one support bracket to the inner panel, and wherein one of the plurality of bosses of inner panel is formed at an intersection between the first reinforcement surface and the second reinforcement surface when the support bracket is connected to the inner panel.
9 . The liftgate support bracket connection arrangement of claim 8 wherein each of the plurality of bosses has an inside diameter with a draft angle of at least 0.5 degrees from a bottom surface of the boss to a top aperture of the boss.
10 . The liftgate support bracket of claim 9 wherein the bottom surface of each of the plurality of bosses has a diameter of 5.15 mm.
11 . The liftgate support bracket of claim 8 wherein each of the plurality of screws is an M6.5 screw having the threaded shaft with an outside diameter of 6.5 mm and a head with the shoulder.
12 . The liftgate support bracket of claim 11 wherein each of the plurality of bosses has an inside diameter of 5.4 mm.
13 . The liftgate support bracket of claim 11 wherein each of the plurality of screws is connected to the respective one of the plurality of bosses with at least 4.0 Nm of torque.
14 . A liftgate support bracket connection arrangement comprising:
an inner panel of a liftgate having a plurality of bosses formed on an outer surface of the inner panel wherein each of the plurality of bosses has an inside diameter with a draft angle of at least 0.5 degrees from a bottom surface of the boss to a top aperture of the boss;
at least one support bracket having a plurality of apertures corresponding in number to the plurality of bosses, wherein each one of the plurality of apertures is configured to align with one of the plurality of bosses;
a plurality of screws corresponding in number to the plurality of bosses, wherein each of one of the plurality of screws has a shoulder and a threaded shaft where the threaded shaft of each one of the plurality of screws is received through one of the plurality of apertures of the at least one support bracket so that the shoulder of each of the plurality of screws contacts the at least one support bracket, while the threaded shaft connects with one of the plurality of bosses of the inner panel thereby connecting the at least one support bracket to the inner panel and each of the plurality of screws is connected to the respective one of the plurality of bosses with at least 4.0 Nm of torque.
15 . The liftgate support bracket of claim 14 wherein the bottom surface of each of the plurality of bosses has a diameter of 5.15 mm.
16 . The liftgate support bracket of claim 14 wherein each of the plurality of screws is an M6.5 screw having the threaded shaft with an outside diameter of 6.5 mm and a head with the shoulder.
17 . The liftgate support bracket of claim 16 wherein each of the plurality of bosses has an inside diameter of 5.4 mm.
18 . The liftgate support bracket connection arrangement of claim 14 further comprising:
wherein the at least one support bracket is a hockey stick bracket having a first reinforcement surface extending in first direction and a second reinforcement surface connected to the first reinforcement surface and extending in a second direction, and
wherein the plurality of bosses of inner panel are eight bosses for each at least one support bracket, with one of the eight bosses is formed at an intersection between the first reinforcement surface and the second reinforcement surface when the support bracket is connected to the inner panel.