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公开(公告)号：US10414457B2
公开(公告)日：2019-09-17
申请号：US15463812
申请日：2017-03-20
Applicant: Matthew Zusy
Inventor： Matthew Zusy
Abstract: Articulated two-wheeled vehicles have front and rear frame sub-assemblies connected together by an articulated frame joint configured to enable directional and angled counter-action of front and rear wheels or skis.
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公开(公告)号：US10980381B1
公开(公告)日：2021-04-20
申请号：US16159513
申请日：2018-10-12
Applicant: Matthew Zusy
Inventor： Matthew Zusy
Abstract: A nozzle assembly for use with a vacuum source includes a base member, a top cover member, a diaphragm, a valve flap and a plurality of springs. The base member has a suction opening extending therethrough. The top cover member enclosing an interior of the nozzle assembly. The diaphragm is rotationally coupled to the base member and includes an opening extending therethrough. The valve flap is rotationally coupled to the diaphragm and covers the opening in the diaphragm. One or more diaphragm springs are positioned between the base member and the diaphragm. One or more valve springs are positioned between the base member and the valve flap. An internal cavity is defined below the diaphragm and above the base member. In operation, pressure forces inside the internal cavity compete with forces associated with atmospheric pressure acting on the valve flap and diaphragm and the force of the diaphragm and valve springs to continuously open and close the valve flap in rapid succession during operation of the vacuum device.
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公开(公告)号：US09598131B2
公开(公告)日：2017-03-21
申请号：US14650835
申请日：2013-12-18
Applicant: Matthew Zusy
Inventor： Matthew Zusy
CPC classification number: B62K15/006 , B62K3/02 , B62K3/06 , B62K21/00
Abstract: Articulated two-wheeled vehicles have front and rear frame sub-assemblies connected together by an articulated frame joint configured to enable directional and angled counter-action of front and rear wheels or skis.
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