×

High production, riding, concrete saw

  • US 6,470,874 B1
  • Filed: 01/19/2000
  • Issued: 10/29/2002
  • Est. Priority Date: 01/19/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. Guard for a belt drive system including a frame, a rotatable output including a drive pulley and mounted to the fame, a shaft rotatably mounted to the frame and including a saw blade and a sheave located intermediate the saw blade and the frame, comprising, in combination:

  • a first housing including a first, generally U-shaped, axially extending wall having an inner edge and an outer edge, with the first housing extending around the sheave and closely conforming to a side of a periphery of the sheave, with the first housing including an outer, radially extending panel extending across the outer edge and having an aperture through which the shaft intermediate the sheave and the saw blade extends;

    a seal for rotatable receipt of the shaft intermediate the sheave and the saw blade and within the aperture of the panel;

    a tongue extending across the inner edge and having an aperture through which the shaft on the opposite side of the sheave than the saw blade extends, with the first housing being carried by the frame; and

    a second housing positioned around the drive pulley and secured to the frame, with the first axially extending wall of the first housing including first and second free ends, with the first and second free ends of the first housing being mounted to the second housing with the first housing being carried by the frame through the second housing; and

    means for providing access to the interior of the first and second housings.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×