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首页 / 专利库 / 击倒 / 专利数据
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 Knockdown bathing enclosure US303255 1989-01-30 US4901380A 1990-02-20 Iain M. Smith
A knockdown type bathing enclosure is disclosed. It can be manufactured as a one-piece plumbing fixture, cut into portions for transportation, and assembled at the installation site. The bathing enclosure has a joining strip attached to an external side of a wall structure. The joining strip has an attachment surface for abutting the wall structure, and an outer tubular bulge. The joining strip and the wall structure are cut into portions along a plane passing through the tubular bulge. A plurality of locator members are then inserted into an internal slot formed in each portion of the cut tubular bulge. Guided into proper alignment by the locator members, the cut portions are then fastened together using a clamp member.
82 Knockdown shelving US7220049 1949-01-22 US2677470A 1954-05-04 JOSEPH CATALANO
83 Knockdown toy US64043546 1946-01-11 US2410874A 1946-11-12 HENRY GREENBERG; O'CONNELL JOHN J
84 Knockdown receptacle US19264927 1927-05-19 US1757141A 1930-05-06 WALTHER RASTER
85 Knockdown receptacle US74986724 1924-11-14 US1555115A 1925-09-29 HAND JOHN L
86 Knockdown building US52138421 1921-12-10 US1448244A 1923-03-13 WILSON JOHN E
87 Knockdown saw-holder US38196620 1920-05-17 US1371692A 1921-03-15 KNAPP JAMES D
88 Knockdown aeroplane US23896918 1918-06-08 US1357542A 1920-11-02 GIANNI CAPRONI
89 Knockdown building US26238518 1918-11-13 US1350493A 1920-08-24 GOODRICH CHAUNCEY M
90 Knockdown can US24112118 1918-06-21 US1331543A 1920-02-24 VOSHARDT HERMAN F
91 Knockdown reel US11405441 2006-04-18 US20070241226A1 2007-10-18 Louis Manzo
A knockdown reel is designed to be readily and swiftly assembled out of five or six components, all but two of which can be fabricated of plywood, composite board and/or cardboard. An annular fastener secures the components so as to withstand stresses associated with transport and handling, as well as stresses associated with the winding and unwinding process.
92 Knockdown seat US494953 1995-06-26 US5588709A 1996-12-31 William J. Lewallen, Sr.
A seat for supporting an individual relative to a ground surface. The inventive device includes a back panel having a receiving aperture directed therethrough. A seat panel is shaped so as to define a rear support leg positionable through the back panel receiving aperture to support the back panel in an inclined orientation such that an individual can sit on a seat bottom of the seat panel and lean against a back rest of the back panel.
93 Knockdown reel US372027 1995-01-12 US5575437A 1996-11-19 Kenneth E. Campbell
A knockdown reel comprising a two part tubular hub and having a pair of end flanges releasably attached to opposite ends of the tubular hub by latching means capable of being released in order to separate the end flanges from the hub and thereby minimize the space consumed by said components in packaging, shipping and storing reels of this type. The tubular hub parts include aligning ribs which cooperate with aligning slot in circular recessed sockets on the inner wall of each end flange. The sockets having a bottom wall with curved guide projections thereon spaced radially thereabout in order to guide the ends of the end flanges into proper circumferential engagement with the side walls of the circular sockets.
94 Knock down spool US353416 1989-05-18 US4976475A 1990-12-11 Markku R. Bjorkqvist
A knock down spool includes a substantially cylindrical central member and radially projecting end flanges connected therewith. The central member comprises at least two sections releasably connected with each other in a substantially axial plane. The central member is at its end portions provided with peripheral grooves releasably engaged by engagement portions of the end flanges for maintaining a position in which the end flanges enclose and keep together the sections of the central member.
95 Knockdown canopy shelter US219069 1988-07-13 US4941500A 1990-07-17 Michael J. Emard
A shelter having a frame of telescopic pole and arch assemblies with the latter joined at an apex of the shelter by insertion into a central connector. The canopy is fitted to the frame in a snug manner. Straps secure the corners of the canopy to each arch assembly and may be provided with hook and loop pieces to facilitate canopy attachment to the frame.
96 Knockdown backstop US48985255 1955-02-23 US2819901A 1958-01-14 MATEJA JOSEPH S
97 Knockdown structure US42182554 1954-04-08 US2780484A 1957-02-05 FRYE REINHOLD A
98 Knock-down culvert US3905435 1935-09-03 US2041267A 1936-05-19 SCHROEDER JR ADOLPH CARL
99 Knockdown house US52935831 1931-04-11 US1985789A 1934-12-25 LIGHTFOOT EWART H
100 Knockdown playhouse US46033930 1930-06-11 US1907119A 1933-05-02 MILLARD REYNOLDS MARTHA