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Patent No. 5571247

Self Containing Enclosure for Protection from Killer Bees

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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Class 30/265 - Two rotary blades


Subclass of Class 30 - Cutlery
Definition: Implements in which both of the cooperating blades are rotary.
No. of patents: 22
Last issue date: 11/06/2007


NumberTitleIssue Date
7290339Cutting apparatus for easily opening plastic packaging
A cutting apparatus for easily opening plastic packaging comprises: first support member 100, second support member 200, first shaft 400, second shaft 401, third shaft 402, first cutting wheel 300, second cutting wheel 30...
11/06/2007
7246443Cutting device for making interior cuts
Cutting device for making interior cuts includes first and second pivot members pivotally connected to one another at a pivot point and each including a handle portion with a finger-receiving aperture on one side of the pivot point and an arm portion on the other si...
07/24/2007
7134208Ergonomic handle for vegetation trimmer
A vegetation trimmer having a head, a handle and an intermediate portion interconnecting the head to the handle. The intermediate portion is configured to include a first portion, a second portion and a third portion that are each arranged about a respective axis. T...
11/14/2006
7089669Sheet material cutter with adjustable blades
A small, handheld sheet material cutter has a pair of cooperating cutting wheels and a mechanism for easily adjusting the position of one of the cutting wheels in order to provide a lateral gap of varying width between the cutting edges of the two cutting wheels, th...
08/15/2006
6976312Split-end hair clipper
A split-end hair remover comprising an enclosure having top, bottom and sides, where the top includes a substantially planar screen having upper and lower surfaces that include a plurality of apertures through which one or more split hair ends may project, a motor c...
12/20/2005
6298561Tool for cutting sandwich type plaster boards
The present invention is directed to a tool for cutting sandwich type plaster boards such as gypsum plaster boards. It is an object of the present invention to provide a tool which allows the exact cutting of those boards in a time saving manner. Accordin...
10/09/2001
6105351Mowing machine having disk blade cutters
A mowing machine for cutting plants with radially protruding blades of upper and lower blade disks which are coaxially disposed and rotated under the hood that is disposed at the end of a handle. The upper blade disk has a ring gear, the lower blade disk ...
08/22/2000
6076265Lawn mower having reciprocating cutter blade
A lawn mower includes a housing, and two cutter members rotatably attached to the housing and rotated relative to each other in a reciprocating action, such that the cutter members may be actuated as a shearing action for cutting and trimming purposes. Th...
06/20/2000
5899000Hand held cutter
A hand held cutter which is self guiding and includes a roller with a resilient workpiece contacting surface and is rotatably mounted adjacent each pair of cutting rolls on a cutting roll supporting body. When the cutting roll supporting body is pulled or...
05/04/1999
5881624Media cutting apparatus
A cutting apparatus in a strong plastic housing having two rotatable slitter blades. The cutting apparatus is mounted on a guide rail for movement by hand across a tightly held sheet of media such as paper, vellum or film. The slitter blades are mounted b...
03/16/1999
5513435Nail fin removal tool
A tool for removing nail fins from vinyl window frames comprising either a pneumatic wrench or an electric hand drill driving a tool having a slot into which cutter wheels project along with toothed rings above the cutter wheels. The toothed rings move th...
05/07/1996
5027517Circular saw head
A circular saw head (1) for the cutting of side boards (3) from a log (2), as a circular saw blade (4) mounted on a saw shaft (10) by a support flange (5). Within a rim of saw teeth (13) and radially spaced apart from it a frontal annular support surface (...
07/02/1991
4987732Mowing apparatus having oppositely reciprocating cutters
To mow even soft grass more tidily in shearing mode without kicking pebbles, a pair of two grass cutting wheels are pivotally driven by an engine in two mutually-different directions. One cutting wheel is slidably fixed relative to the other cutting wheel...
01/29/1991
4693004Envelope opener
An envelope opener is formed of a rectangular casing having a central transverse guide slot, two cutting disks project into the slot from either side and have mutually interfacing edge portions thereat. A spring resiliently maintains the edge portions of ...
09/15/1987
4679323Rotary nibbler
A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a body which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angle of the g...
07/14/1987
4653590Edger and blade therefor
An edger for cutting a furrow between a sidewalk edge and adjacent soil includes first and second blades fixedly mounted on a horizontally extending motor driven shaft. The first blade includes a pair of elongated soil cutting arms extending oppositely fr...
03/31/1987
4646438Rotary shear attachment and tool for laminated plastic and other materials
A rotary shear attachment and tool for laminated plastic and other materials is disclosed. The shear attachment comprises a frame which is fixed to an existing motor case and has an upper and a lower portion spaced apart and separated by a central portion...
03/03/1987
4593465Rotary nibbler
A rotary type nibbler comprising a spindle having a helical groove, the spindle being rotatable in a bearing sleeve which terminates in a flat workpiece engagement face which is at an angle with respect to the axis of rotation approximating the helix angl...
06/10/1986
4574480Rotary shear cutter
A manual rotary-shear cutter for severing sheet metal stock has a cutting head and a handle joined by an extension tube engageable with and selectively retained at sites formed on the cutting head and handle. A series of preformed apertures spaced along t...
03/11/1986
4366620Roof seam cutting machine
A machine for cutting standing seams which connect roof panels together includes a cutter wheel located adjacent a platen wheel. The cutter wheel is movable and is moved toward the platen wheel by a jack-screw mechanism mounted on the frame of the machine...
01/04/1983
4283853Cutting tool
A cutting tool which may be pulled through sheet material to be cut has a pair of spaced circular cutting blades on a first shaft and a single circular cutting blade on a second shaft spaced vertically with respect to the first shaft and wherein both shaf...
08/18/1981
4244102Carpet cutting machine
Apparatus to cut a carpet into two sections with the edge of each section being beveled. The apparatus employs two rotary cutters mounted at an angle to each other and which are driven at the same speed in the same direction....
01/13/1981
 
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