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US 7,114,907 B2Granted
Transfer robot
AssigneeDAIHEN Corporation
InventorsHironori Ogawa, Sakiko Uno
Life of this patent
Estimating the term…
Abstract
A transfer robot includes a swivel base pivotable about a vertical axis, a hand for holding a plate-like work placed thereon, and a linear transfer mechanism supporting the hand and provided on the swivel base. The transfer mechanism is designed to move the hand forward and backward along a horizontal linear path. The hand is provided with a front stopper for checking a front edge of the work. The swivel base is provided with a work holder contacting a rear edge of the work when the hand is moved to a retracted position on the linear path.
Claims10
A transfer robot comprising:
- a swivel base pivotable about a vertical axis;
- a hand for holding a plate-like work placed thereon;
- and
- a linear transfer mechanism supporting the hand and provided on the swivel base, the transfer mechanism designed to move the hand forward and backward along a horizontal linear path;
- wherein the hand is provided with a front stopper for checking a front edge of the work;
- wherein the swivel base is provided with a work holder contacting a rear edge of the work when the hand is moved to a retracted position on the linear path;
- wherein the transfer robot further comprises an upright leaf spring having an upper end and a lower end;
- and
- wherein the upper end is connected to the work holder, the lower end being connected to the swivel base, the leaf spring having a longitudinal axis, as viewed in horizontal cross section, that is perpendicular to the linear path of the hand.
6 more elements
A transfer robot comprising:
- a swivel base pivotable about a vertical axis;
- a hand for holding a plate-like work placed thereon;
- and
- a linear transfer mechanism supporting the hand and provided on the swivel base, the transfer mechanism designed to move the hand forward and backward along a horizontal linear path;
- wherein the hand is provided with a front stopper for checking a front edge of the work;
- wherein the swivel base is provided with a work holder contacting a rear edge of the work when the hand is moved to a retracted position of the linear path;
- wherein the hand is provided with a stationary rear stopper for checking a rear edge of the work;
- wherein the rear stopper comprises two stopping members spaced from each other in a width direction of the hand;
- and
- wherein the hand is formed with a cutout between the two stopping members for allowing entry of the work holder.
7 more elements
Dependencies are inferred from the claim text.