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1. 发明专利

GB574772A Improvements relating to rubber dinghies 未知
公开(公告)号：GB574772A
公开(公告)日：1946-01-21
申请号：GB1139142
申请日：1942-08-14
申请人： NORMAN HERBERT MAY , WILLIAM BLAINE LUARD
IPC分类号： B63B7/08 , B63B15/00
摘要： 574,772. Rubber dinghies. MAY, N. H., and LUARD, W. B. Aug. 14, 1942, No. 11391., [Classes 113 (ii), 114 and 115] A rubber dinghy a, Fig. 3, is provided on its gunwale with socket pockets b having inwardlydirected mouths to receive the ends of an extensible thwart which, when extended, presents registering holes into which a mast f, Fig. 6, is stepped. The thwart may comprise two stout telescopic boards c , c of waterproofed laminated wood, each with a metal strap d , d at its inner end in which the other board slides, the hole e in the upper board being larger than the hole e in the lower board. Alternatively, it may comprise two short boards s , s , Fig. 8, with interfitting tongues and grooves u, butt-jointed within a metal sleeve t of shallow rectangular cross-section, all with registering holes for the mast. Oblique strut-boards y may be arranged between the sleeve t and pockets v in the floor of the dinghy. A centre-board may be accommodated in a fabric pocket w stayed by stays x. The mast f may be squared at the bottom, tapering to a round cross-section at the top, and it may have a stout peg i to extend into the lower hole e . It may consist of telescopic tubes held in the extended condition by pairs of spring-pressed plungers g snapping into holes h, or it may consist of separate short lengths assembled together by bayonet joints. It may be steadied by a single fore-and-aft stay and a pair of lateral stays i , Fig. 2. A triangular sail m may be distended by a sectional spar p fitted into socket pockets r.

2. 发明专利

GB562947A Improvements in canoes or boats stabilised by catamarans 未知
公开(公告)号：GB562947A
公开(公告)日：1944-07-21
申请号：GB580843
申请日：1943-04-12
申请人： NORMAN HERBERT MAY , WILLIAM BLAINE LUARD
IPC分类号： B63B43/14
摘要： 562,947. Catamaran boats. MAY, N. H., and LUARD, W. B. April 12, 1943, No. 5808. [Class 113 (ii)] A canoe or boat a is provided on one or both sides with a cataman f mounted on the outboard ends of arms e which are so pivoted at their inboard ends in athwartship channelled guides b that the catamarans can be swung from an inboard position to an outboard position where they can also be adjusted laterally. The inboard end of each arm e carries rollers, whilst the outboard end extends downwardly and includes a pivoted portion e which is held rigid by a sleeve e . The lateral adjustment is controlled by spring-actuated bolts engageable in notches in the arms and interconnected by lanyards. When inboard, the catamarans may be lowered into a central well or rest on the well coverings m, n. The well l is protected by a sloping coaming r, and above gratings p are apertures o surrounded by canvas aprons s. The hull and the catamarans may be subdivided by transverse bulkheads into sections which may be interhinged or detachable from one another.

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