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US 2015/0201747 A1Published application
Articulating support arm
AssigneeKnape & Vogt Manufacturing Company
InventorNicholas Leonard Blackburn
Life of this patent
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Abstract
An articulating support arm includes a base, at least first and second links, a control head and a platform. The base, first and second links and control head are pivotally connected in a four bar linkage configuration. The control head has a forward end pivotally connected to the platform and the platform is movable from a forward fully extended position wherein the control head is forward of the base to a rearward fully retracted position wherein the control head passes below and to a position rearward of the base.
Claims32
An articulating support arm comprising:
- a base, at least first and second links, a control head, and a platform;
- the first link having a forward end pivotally connected to the control head and a rearward end pivotally connected to the base;
- the second link having a forward end pivotally connected to the control head at a location spaced rearward of the connection of the forward end of the first link to the control head and having a rearward end pivotally connected to the base at a location spaced rearward of the connection of the rearward end of the first link to the base, wherein the pivotal connections of the base with the first and second links and the control head with the first and second links form a four bar linkage;
- the control head having a forward end pivotally connected to the platform;
- the platform being movable from a forward fully extended position wherein the control head is forward of the base to a rearward fully retracted position wherein the control head passes below and to a position rearward of the base.
2 more elements
Dependencies are inferred from the claim text.