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21. 发明授权

US10895110B2 Ladder stabilizer 有权
公开(公告)号：US10895110B2
公开(公告)日：2021-01-19
申请号：US16150907
申请日：2018-10-03
申请人： Philip F. Lanzafame
发明人： Philip F. Lanzafame
IPC分类号： E06C7/42 , E06C7/44 , E06C7/10
摘要： Provided is ladder having an extension leg movable longitudinally in first and second directions opposite one another, and a stabilizer arm pivotably coupled to and movable with the extension leg. The stabilizer arm is pivotable about an axis perpendicular to the first and second directions such that the stabilizer arm is rotated relative to the extension leg to contact a surface to stabilize the ladder in a sideways direction perpendicular to the first and second directions.

22. 发明申请

US20190323295A1 ADJUSTABLE LADDER EXTENSION 审中-公开
公开(公告)号：US20190323295A1
公开(公告)日：2019-10-24
申请号：US16460007
申请日：2019-07-02
申请人： Philip F. Lanzafame
发明人： Philip F. Lanzafame
IPC分类号： E06C7/44 , E06C7/42
摘要： Provided is an adjustable extension for attachment to a ladder leg. The extension has an extension body and a friction surface that presses against the extension body to prevent movement of the extension body. The extension also includes a retainer that engages a retainer catch attached to the extension body to releasably hold the extension body in a retraced position, thereby allowing for one-handed operation and easy transportation of the ladder.

23. 外观设计

USD819230S1 Ladder stabilizer 有权
公开(公告)号：USD819230S1
公开(公告)日：2018-05-29
申请号：US29581452
申请日：2016-10-19
申请人： Philip F. Lanzafame
设计人： Philip F. Lanzafame

24. 外观设计

USD818610S1 Ladder quick connect base unit 有权
公开(公告)号：USD818610S1
公开(公告)日：2018-05-22
申请号：US29594869
申请日：2017-02-23
申请人： Philip F. Lanzafame
设计人： Philip F. Lanzafame

25. 发明申请

US20180044987A1 LADDER EXTENSION BRAKE 审中-公开
公开(公告)号：US20180044987A1
公开(公告)日：2018-02-15
申请号：US15795958
申请日：2017-10-27
申请人： PHILIP F. LANZAFAME
发明人： PHILIP F. LANZAFAME
IPC分类号： E06C7/04 , E06C1/12
CPC分类号： E06C7/04 , E06C1/12
摘要： Provided is a braking system for use with an extension ladder having a base section and a fly section movable relative to the base section via an adjustment rope. The braking system includes a bracket for attachment to the fly section. A pulley and an arm are secured to and movable relative to the bracket by the adjustment rope between a first position when no tension is applied to the rope and a second position when tension is applied to the adjustment rope. A cam is movable between an engaged position when the pulley and arm are in the first position with the cam engaging with the base section to prevent movement of the fly section relative to the base section, and a disengaged position when the pulley and arm are in the second position.

26. 外观设计

USD869688S1 Adjustable ladder extension 有权
公开(公告)号：USD869688S1
公开(公告)日：2019-12-10
申请号：US29628577
申请日：2017-12-06
申请人： Philip F. Lanzafame
设计人： Philip F. Lanzafame
摘要： FIG. 1 is a perspective view of an adjustable ladder extension showing my new design;
FIG. 2 is a top view shown at an enlarged scale thereof;
FIG. 3 is a bottom view shown at an enlarged scale thereof;
FIG. 4 is front view shown at an enlarged scale thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is an enlarged view of a portion taken from FIG. 4.

27. 外观设计

USD831228S1 Shoe for retractable ladder leg extension 有权
公开(公告)号：USD831228S1
公开(公告)日：2018-10-16
申请号：US29602562
申请日：2017-05-02
申请人： Philip F. Lanzafame
设计人： Philip F. Lanzafame

28. 发明授权

US5678656A Positive engaging ladder stabilizing and leveling device 失效
标题翻译：正向梯子稳定和调平装置
公开(公告)号：US5678656A
公开(公告)日：1997-10-21
申请号：US506688
申请日：1995-07-25
申请人： Philip F. Lanzafame
发明人： Philip F. Lanzafame
IPC分类号： E06C7/44
CPC分类号： E06C7/44
摘要： The present invention provides a ladder stabilizing and leveling device (21) that includes an outer housing (41) substantially fixed with respect to a ladder rail (29), and an inner housing (41) that is movable within the outer housing (41) from a retracted position to an extended position. The present invention includes a positive locking engagement system wherein the greater the force applied to the ladder rail (29), the greater the force applied to the locking engagement between the outer housing (41) and the inner housing (21). A safety bar (117) interconnects a support foot (27) and a lock block (73) wherein force applied to the support foot (27) locks the lock block (73) in position. The present invention also includes a retraction spring (53) that continually applies an upward biasing force on the inner housing (71). In addition, the present invention provides an interconnecting relationship between the outer housing (41) and the inner housing (71) wherein various ribs (111) are provided on the outer rails (89) of the inner housing (71) where the outer rails (89) contact the inner surface of the outer housing (41); this feature of the present invention allows debris, or other foreign particles, to pass substantially downward and exit the ladder stabilizing and leveling device (20).
摘要翻译：本发明提供了一种梯子稳定和调平装置（21），其包括相对于梯轨（29）基本上固定的外壳（41）和可在外壳（41）内移动的内壳体（41）从缩回位置到延伸位置。本发明包括一个积极的锁定接合系统，其中施加到梯子轨道（29）的力越大，施加到外部壳体（41）和内部壳体（21）之间的锁定接合的力越大。安全杆（117）将支撑脚（27）和锁定块（73）互连，其中施加到支撑脚（27）的力将锁定块（73）锁定就位。本发明还包括在内壳体（71）上连续施加向上的偏置力的回退弹簧（53）。此外，本发明提供了外壳（41）和内壳（71）之间的互连关系，其中在内壳（71）的外轨（89）上设置各种肋（111），其中外轨（89）接触所述外壳体（41）的内表面; 本发明的该特征允许碎片或其它外来颗粒基本向下通过并离开梯子稳定和调平装置（20）。

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