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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 440/102 - Articulated sectional oar or paddle


Subclass of Class 440 - Marine propulsion
Definition: Device wherein the long shaft is composed of interconnected
No. of patents: 27
Last issue date: 05/01/2012


NumberTitleIssue Date
8167669Grip of oar
An oar includes a retractable shaft with a blade and a grip connected to two ends thereof. A socket is connected to the shaft by a pin and includes a first toothed surface on the end surface of the socket. The grip includes a tubular portion which is mounted to the ...
05/01/2012
8162709Paddle having a lever for generating sound
A paddle suitable for use with a kayak or like watercraft, the paddle comprising: (a) a tubular shaft extending from a first blade located at a first end to a second blade located at a second end; (b) a sleeve mounted on the tubular shaft, the sleeve having an outer...
04/24/2012
8052493Rowing oar handle
A rowing oar handle comprising a first portion and a second portion, in which the first portion and the second portion are axially rotatable to one another, and in which in use the point of rotation is located between a user's hands. ...
11/08/2011
7708610Rowing oar system with articulating handle
An improved oar that has an oarlock assembly, which holds the main oar shaft and parallel link in line with each other while allowing them to pivot fore and aft and up and down; an oar shaft; a parallel link; and a knuckle. The knuckle positions the handle via a sle...
05/04/2010
7367858Paddle shaft coupler
A coupling apparatus for adjusting and axially coupling first and second shafts about a feathering axis, comprising a collar having an end face having a plurality of axial notches, an insert having an extended portion and at least one radial pin and a cam ring circu...
05/06/2008
7300324Manual propulsion mechanism
A device for propelling a personal watercraft comprising a base having an inner channel and an outer channel. A fin is disposed substantially adjacent to the base and is rotatable relative to the base. The fin has an inner protrusion adapted to moveably engage the i...
11/27/2007
7223140Sculling oar
An object is to provide a Ro-scull which can suppress a decrease in thrust force by water resistance generated during turn-over operation and can realize high-speed cruise of a boat. The Ro-scull has a Ro-arm 1 and a Ro-blade 2 having a flat part 12...
05/29/2007
7198529Recreational watercraft with hydrofoil
A recreational watercraft device consisting of a light hull in the shape of a sail board hull and on the bottom a strut hydrofoil assembly. The hydrofoil has a bilateral symmetric plan-form with a pivot connection at the center of the hydrofoil span. The pivot conne...
04/03/2007
7144284Rowing oar system
An oar consisting of two parallel shafts linked on both ends to form a parallelogram configuration, which keeps the oar's blade and handle parallel to one another and perpendicular to the boat throughout the rowing cycle. The system is further enhanced to provide an...
12/05/2006
7056175Rowing device
Equipment for assisting in rowing a boat with oars comprising an active means (5) of receiving, storing and releasing energy, which receives the energy conveyed from the rower to the oar (4) during the return movement of the oar blade. The means (5
06/06/2006
7037151Oar
Disclosed is an oar, which has a supplementary blade pivotally connected to one end of the blade adjacent to the shaft thereof to increase the area of the water expelling surface, enhancing the rowing efficiency. ...
05/02/2006
6939186Rolling heel, forward facing rowing system
A new and improved leg assisted forward facing rowing system is disclosed wherein a rower applies leg power to propel a boat by means of a rope connected between his or her foot and an oar. A unique feature is a roller, fastened under the heel of the rower's foot, t...
09/06/2005
6881111Shaft coupler with positive angular and axial locking features for coupling paddle sections together and angularly positioning the sections relative to each other
The present invention provides a coupler for rotationally and/or axially securing two shafts together while permitting rapid angular adjustment between the shafts. The coupler includes a first component mountable to a first section of the paddle and a second compone...
04/19/2005
6857922Front facing rowing apparatus
A rowing apparatus is provided for connection to a vessel and includes an oar direction-of-motion reversal assembly, fulcrum stabilizing means connected to the oar direction-of-motion reversal assembly, and vessel-to-oar-apparatus connection means connected to the f...
02/22/2005
6126500Oar handle
An oar handle is used in sweep rowing. Sweep rowing is when a single oar is pulled by both hands of a single rower. The oar handle has a support which at one end can be secured to the end of the shaft of a sweep rowing oar. A handle bar having a pair of h...
10/03/2000
6113447Watercraft with frontface oar system
The watercraft has an elongated hollow hull having a pair of integral outwardly and upwardly projecting outrigger wings, onto which are mounted oar mounting devices each having a flat casing attached to rods protruding out of the outrigger wings. The atta...
09/05/2000
6083066Rowing apparatus
A rowing apparatus which allows an oarsman to face forward while propelling a watercraft such as a canoe (20) forward when pulling on handles (32). The articulated apparatus includes two sheaves coupled by a pair of criss-crossing, adjustable cables enclo...
07/04/2000
5975004Seat and rowing attachment for a canoe
A canoe attachment includes a frame made of cylindrical members arranged in a substantially rectangular configuration. A seat is suspend between the forward frame member and the rearward frame member. A "forward-facing" rowing assembly is rotatably mounte...
11/02/1999
5647782Apparatus for forward facing boat rowing
An apparatus for use in forward facing rowing of a boat having oars mounted ahead of the oarsman and having a seat fixedly secured in the boat is disclosed. The apparatus comprises an inboard support assembly and an outboard support assembly. The outboard...
07/15/1997
5630739Forward-facing rowing
An oar mounting system for forward-facing rowing in which an arm or pulley strut is hinged to a support or gunwale frame, with an end of the arm extending from the frame and rotationally mounting an auxiliary or inner oar frame to which an oar loom is att...
05/20/1997
5100352Apparatus for the propulsion of boats
A front-facing rowing arrangement for a boat includes a pair of oars of which includes a handle 1 and a blade 3 mounted for pivotal movement about spaced parallel axes on a supporting member 5 which is itself hingedly mounted for movement about a horizont...
03/31/1992
5041037Oar
An oar includes a blade portion, a loom including a grip, and a connecting member for connecting the blade portion and the loom together. The blade portion includes a frame and two blades. The frame includes two parallel vertical plates, a front plate, a ...
08/20/1991
5037339Forward facing rowing mechanism
A forward facing rowing mechanism (10) for a boat (11) having a bow (12), a longitudinal axis (A1) and both port and starboard gunwales (21). A mounting bracket (20) is adapted to be supported from each gunwale (21), and a tilting frame (25) is...
08/06/1991
4943250Articulated hydrofoil oar
An oar and oarlock arrangement comprising, in combination: a handle loom and a structurally separate blade loom having a hydrofoil blade mounted to its outermost end, the handle loom and blade loom being hinged for sweep action about a rockable oarlock. T...
07/24/1990
4889508Bow facing rowing system
A bow facing rowing system comprising the combination of an oar reversing device and a bracket device for supporting the oar reversing device. The oar reversing device includes a housing having opposing ends which terminate in a pair of upper and lower fl...
12/26/1989
4605378Breakdown boat paddle with variable configuration
A double-bladed kayak paddle (A, B) is disclosed which includes first and second blade sections (10, 12) having a paddle blade (14, 18) carried on one end thereof, and jointed ends (16, 20) carried on opposing ends thereof. The jointed ends are fitted tog...
08/12/1986
3970032Paddle
A paddle for manually propelling a canoe or the like. The paddle includes the usual grip member establishing the upper end thereof and the usual blade member establishing the lower end thereof. An intermediate member is included which interconnects the gr...
07/20/1976
 
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