A conveyance device for carrying a product, the conveyance device comprising: (i) a carriage which travels in horizontal forward and rearward directions, (ii) a support column which protrudes upwardly from the carriage, (iii) a lifting device which moves in the upward and downward directions along the support column, comprising: an upper guide having a first wheel which rolls on a rear surface of the support column and an upper member having an upper main member which is arranged behind the support column and configured to support the first wheel, a lower guide, arranged below the upper guide, having a second wheel which rolls on a front surface of the support column and a lower member which supports the second wheel, and a linking member which links the upper member and the lower member to each other, and (iv) a loading platform which is moved in the upward and downward direction by the lifting device, which is arranged in front of the second wheel, and which is linked to a front side of the linking member, wherein the lower guide has a pair of fourth wheels which roll on the left and right surfaces of the support column, the lower member comprises: a lower main member which is arranged in front of the support column and which supports the second wheel, and a pair of lower auxiliary members which protrude rearwardly from the lower main member so as to face each other with the support column interposed therebetween, and which support the pair of fourth wheels, the lower member is open toward the rear, and the linking member, in a side view, extends diagonally and linearly so as to link the upper main member and the lower main member. (i) a carriage which travels in horizontal forward and rearward directions, (ii) a support column which protrudes upwardly from the carriage, (iii) a lifting device which moves in the upward and downward directions along the support column, comprising: an upper guide having a first wheel which rolls on a rear surface of the support column and an upper member having an upper main member which is arranged behind the support column and configured to support the first wheel, a lower guide, arranged below the upper guide, having a second wheel which rolls on a front surface of the support column and a lower member which supports the second wheel, and a linking member which links the upper member and the lower member to each other, and an upper guide having a first wheel which rolls on a rear surface of the support column and an upper member having an upper main member which is arranged behind the support column and configured to support the first wheel, a lower guide, arranged below the upper guide, having a second wheel which rolls on a front surface of the support column and a lower member which supports the second wheel, and a linking member which links the upper member and the lower member to each other, and (iv) a loading platform which is moved in the upward and downward direction by the lifting device, which is arranged in front of the second wheel, and which is linked to a front side of the linking member, the lower guide has a pair of fourth wheels which roll on the left and right surfaces of the support column, the lower member comprises: a lower main member which is arranged in front of the support column and which supports the second wheel, and a pair of lower auxiliary members which protrude rearwardly from the lower main member so as to face each other with the support column interposed therebetween, and which support the pair of fourth wheels, a lower main member which is arranged in front of the support column and which supports the second wheel, and a pair of lower auxiliary members which protrude rearwardly from the lower main member so as to face each other with the support column interposed therebetween, and which support the pair of fourth wheels, the lower member is open toward the rear, and the linking member, in a side view, extends diagonally and linearly so as to link the upper main member and the lower main member.