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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 172/622 - With actuator to vary inclination of teeth


Subclass of Class 172 - Earth working
Definition: Apparatus in which the angularity of the tooth bars may
No. of patents: 7
Last issue date: 12/02/2003


NumberTitleIssue Date
6655469Turf comber
A turf combing device. A plurality of spring biased tines are fixedly mounted to rods rotatably mounted to a frame. Pivot arms fixedly mounted to the opposite ends of the rods are pivoted thereby rotating the rods and positioning the tines relative to gro...
12/02/2003
5492182Harrow
A harrow comprises an elongate tool bar formed in three sections including a central section and two wing sections all of which can rotate about a longitudinal axis, The wing sections are coupled by pivot couplings which allow the wing sections to fold re...
02/20/1996
4689941Pulled dethatching unit
A pulled dethatching unit includes a frame having a tow bar extending forwardly for attachment to a draw bar of a pulling vehicle. The rear end of the frame has an arm pivotally attached to each side with each arm having a wheel rotatably mounted thereon....
09/01/1987
4676321Framework for ground working implement
A ground working implement is disclosed, having a multiplicity of ground working tools mounted on a set of rigid bars which are maintained in substantially parallel relative position by pairs of rigid links flexibly fastened to the pairs of the rigid bars...
06/30/1987
4615286Grain drill mounted harrow device
An attachment for a tractor drawn grain drill is disclosed having a horizontal array of harrow tines staggered along a plurality of transverse rows with each row commonly supported by a rotatable control rod with a tine coiled portion encircling the contr...
10/07/1986
4472930Lawn comb
An elongated trailer-type vehicle is provided for pulling behind a prime mover such as a lawn tractor. The vehicle includes an elongated frame having vertically adjustable hitch structure at its forward end for releasable hitching behind a lawn tractor an...
09/25/1984
4317327Pushed dethatching unit
A dethatching unit is mounted for attachment to the front end of a self-propelled lawn mower, for example, so that the dethatching unit is pushed by the lawn mower and thatches the ground prior to mowing thereof. The dethatching unit includes a frame havi...
03/02/1982
 
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