Power operated portable hand saw

• US 3,292,673 A
• Filed: 08/27/1963
• Issued: 12/20/1966
• Est. Priority Date: 08/27/1963
• Status: Expired due to Term

• Current Assignee: Porter-Cable Corporation (Stanley Black & Decker, Inc.)
• Original Assignee: Edward G. Gregory
• Inventors: Gregory, Edward G.
• Application Number:
  US04/304,890
• Time in Patent Office: 1,211 Days
• US Class Current: 30/377
• CPC Class Codes: B23Q 11/0092 actuating braking or stopping means
• CPC Class Codes: B27B 5/38 Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing B23D47/005 takes precedence
• CPC Class Codes: B27B 9/02 Arrangements for adjusting the cutting depth or the amount of tilting
• CPC Class Codes: Y10T 83/099 Manually operated

Claims

1. A POWER OPERATED PORTABLE HAND SAW COMPRISING A BASE PLATE, A SUPPORT MEMBER EXTENDING UPWARDLY FROM SAID BASE PLATE, A MOTOR HOUSING HAVING A SURFACE SLIDABLY ENGAGING SAID SUPPORT FOR VERTICAL MOVEMENT OF THE HOUSING RELATIE TO SAID SUPPORT, A CLAMPING STRUCTURE CARRIED BY SAID SUPPORT AND INCLUDING AN ACTUATING HAND KNOB LOCATED EXTERIORLY OF SAID SUPPORT, SAID CLAMPING STRUCTURE BEING OPERABLE UPON ROTATION OF SAID KNOB IN ONE DIRECTION TO CLAMP SAID HOUSING TO SAID SUPPORT AND UPON REVERSE ROTATION OF SAID KNOB TO UNCLAMP SAID HOUSING FROM SAID SUPPORT, AN ADJUSTING SCREW CARRIED BY SAID HOUSING AND BEING JOURNALLED FOR ROTATION ABOUT A VERTICAL AXIS, A HALF NUT MOUNTED IN SAID SUPPORT FOR MOVEMENT IN A DIRECTION TRANSVERSELY OF SAID SCREW INTO AND OUT OF THREADED ENGAGEMENT THEREWITH, SAID SCREW BEING OPERABLE UPON ROTATIONAL ENGAGEMENT WITH SAID HALF NUT TO EFFECT VERTICAL MOVEMENT OF SAID HOUSING RELATIVE TO SAID SUPPORT WHEN THE SAME ARE IN UNCLAMPED RELATION, AND MEANS OPERABLE EXTERIORLY OF SAID SUPPORT FOR MOVING SAID HALD NUT OUT OF ENGAGEMENT WITH SAID SCREW.